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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $180.0 / 200.0

Type:Lab/Research institutions

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Sodium Sulfite supplier in China

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

Sodium Sulfite(Na2SO3)

Cas:7757-83-7

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Sodium sulfite Cas 7757-83-7 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at RT Package:25kg/bag Application:Food Trans

Wholesale high quality Sodium sulfite Cas 7757-83-7 with factory low price

Cas:7757-83-7

Min.Order:25 Kilogram

FOB Price: $15.0

Type:Trading Company

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Sodium Sulfite

Cas:7757-83-7

Min.Order:1

Negotiable

Type:Other

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Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Sodium sulfite

Cas:7757-83-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory price Cosmetic SODIUM SULFITE 7757-83-7 Manufacturer

Cas:7757-83-7

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

96% 97% Sodium Sulphite/ Na2SO4 CAS 7757-83-7

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Sodium sulfite Basic information Product Name: Sodium sulfite Synonyms: Sodium sulfite anhydrous;SODIUM SULFITE, EXSICCATED;SODIUM SULPHITE;anhydroussodiumsulfite;disodiumsulfite;exsicca

Sodium sulfite 7757-83-7

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Sodium sulfite In stock

Cas:7757-83-7

Min.Order:1 Gram

FOB Price: $1000.0 / 1300.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 7757-83-7 with competitive price

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: Sodium sulfite anhydrous Synonyms: Sodium sulfite CAS:7757-83-7 MF: Na2SO3 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:stabilizer and deoxidizer Transportation:By sea

Sodium sulfite anhydrous CAS:7757-83-7

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white powder Storage:Store in sealed containers at cool & dr

Sodium Sulfite Anhydrous 7757-83-7

Cas:7757-83-7

Min.Order:100 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Sodium sulfite 7757-83-7

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Sodium sulfite Structure: Formula: Na2O3S Molecular Weight : 126.04 Synonyms: Sanhydroussodiumsulfite;disodiumsulfite;exsiccatedsodiumsulfite;natriisulphis

Sodium Sulfite Anhydrous

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA

7757-83-7 cas 98% 96% Ready stock Manufacturer Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

Sodium sulfite with CAS:7757-83-7

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $63.0 / 86.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply Sodium sulfite CAS 7757-83-7 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and exported t

Sodium sulfite CAS 7757-83-7

Cas:7757-83-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Anhydrous sodium sulfite7757-83-7 CAS NO.7757-83-7

Cas:7757-83-7

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 7757-83-7 Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:7757-83-7

Cas:7757-83-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer,carbopol,lead acetate,meglumine diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production ente

Industrial grade Na2so3 CAS 7757-83-7 Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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Lonwin Chemical Group Limited

Sodium sulfite CAS: 7757-83-7 Specification item specifications results appearance white crystalline powder conforms water insolubles ≤0.02%

Factory supply Sodium sulfite

Cas:7757-83-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales Sodium sulfite CAS7757-83-7

Cas:7757-83-7

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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Triumph International Development Limilted

Product name: sodium metabisulfite / sodium metabisulphite Molecular weight: 190.10 Specification: 25Kg woven bag Quality guarantee period: 6 months Appearance:white powder Storage:Store in a cool,dry place and keep away from direc

Sodium sulfite

Cas:7757-83-7

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Sodium Sulfite(Na2SO3)

Cas:7757-83-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hefei Zhaobo Technology Co., Ltd.

Sodium sulfite cas 7757-83-7 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control sy

Sodium sulfite cas 7757-83-7

Cas:7757-83-7

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

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Synthetic route

sodium sulfate
7757-82-6

sodium sulfate

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With pyrographite In neat (no solvent) redn., 750°C, diameter of C-particels about 0.4mm, 30min;;93%
In neat (no solvent) byproducts: SO2; heating of Na2SO4 in under exclusion of air; evolution of SO2;;
With pyrographite In neat (no solvent) redn., coating of react.-vessel: forsterite;;
With pyrographite In melt melting with sand and coal;;
sodium sulfide

sodium sulfide

sulphurous acid
7782-99-2

sulphurous acid

A

hydrogen sulfide
7783-06-4

hydrogen sulfide

B

water
7732-18-5

water

C

sodium thiosulfate

sodium thiosulfate

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In water a mixt. of 7% SO2 and 93% N2 is introduced into concd. Na2S soln. at 60°C;;A n/a
B n/a
C 46%
D n/a
sodium sulfide

sodium sulfide

sulphurous acid
7782-99-2

sulphurous acid

sodium hydroxide
1310-73-2

sodium hydroxide

A

hydrogen sulfide
7783-06-4

hydrogen sulfide

B

water
7732-18-5

water

C

sodium thiosulfate

sodium thiosulfate

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In water 7 % SO2;A n/a
B n/a
C 37.5%
D n/a
Sodium thiosulfate pentahydrate

Sodium thiosulfate pentahydrate

A

sodium sulfate
7757-82-6

sodium sulfate

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
standing for 2.5 months;A n/a
B 0.015%
With oxygen In neat (no solvent) oxidation at 150°C;;
standing for 2.5 months;A n/a
B 0.015%
dolomite

dolomite

sulfur dioxide
7446-09-5

sulfur dioxide

sodium sulfate
7757-82-6

sodium sulfate

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In not given introduction of SO2 into dolomite; reaction of the formed sulfite with Na2SO4;;
disulfur monoxide
20901-21-7, 1190841-11-2

disulfur monoxide

sodium hydroxide
1310-73-2

sodium hydroxide

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In tetrachloromethane with dild. NaOH soln.;
In tetrachloromethane with dild. NaOH soln.;
sodium thiosulfate

sodium thiosulfate

A

sodium sulfate
7757-82-6

sodium sulfate

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In neat (no solvent) byproducts: O2, S;
sodium sulfide

sodium sulfide

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In neat (no solvent) reaction of O3 with Na2S leads to formation of an addn. product as intermediate, which rearranges immediately into Na2SO3;;
In water byproducts: Na2S2O3, Na2S2O4; reaction of aq. Na2S with ozone; formation of Na2SO3 and a small amount of Na2S2O3 and Na2S2O4;;
sodium thiosulfate

sodium thiosulfate

A

potassium sulfate

potassium sulfate

B

chromium(III) chromate

chromium(III) chromate

C

sulfur
7704-34-9

sulfur

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With potassium chromate; magnesium chloride In water byproducts: KCl;
With potassium chromate; water; ammonium chloride In water byproducts: KCl, NH4OH;
With K2CrO4; NH4Cl; H2O In water byproducts: KCl, NH4OH;
With K2CrO4; MgCl2 In water byproducts: KCl;
sodium thiosulfate

sodium thiosulfate

A

oxygen
80937-33-3

oxygen

B

sulfur
7704-34-9

sulfur

C

sodium sulfate
7757-82-6

sodium sulfate

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With ozone In not given neutral soln.;
With O3 In not given neutral soln.;
sodium thiosulfate

sodium thiosulfate

A

sodium pentasulfide

sodium pentasulfide

B

sulfur
7704-34-9

sulfur

C

sodium sulfate
7757-82-6

sodium sulfate

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In neat (no solvent) decomposition without influence of air at 350°C, amount of formed by-products Na2SO4 and Na2S5 increases with increasing temperature;;
In neat (no solvent) decomposition without influence of air at 350°C, amount of formed by-products Na2SO4 and Na2S5 increases with increasing temperature;;
sodium thiosulfate

sodium thiosulfate

A

sulfur
7704-34-9

sulfur

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In water decomposition in aq. soln.;;
With carbon dioxide In water
With silica gel In water decomposition in aq. soln. under influence of light or dust;;
sodium thiosulfate

sodium thiosulfate

A

potassium sulfite

potassium sulfite

B

chromium(III) chromate

chromium(III) chromate

C

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With potassium dichromate In water Na2S2O3 in excess, soln. heated;A n/a
B >99
C n/a
With K2Cr2O7 In water Na2S2O3 in excess, soln. heated;A n/a
B >99
C n/a
sodium thiosulfate

sodium thiosulfate

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In neat (no solvent) byproducts: S; heating to 310-385°C;;
With copper In water dissulfuration by Cu while heating to 170°C;;
With copper In neat (no solvent) dissulfuration by Cu while heating to 115°C;;
sodium thiosulfate

sodium thiosulfate

A

disulfur
23550-45-0

disulfur

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In neat (no solvent) Kinetics; investigation of the disproportionation of Na2S2O3 (scattered on an Al-foil) at 495-548K; not isolated; investigation of kinetics by X-ray photoelectron spectroscopy;
sodium thiosulfate

sodium thiosulfate

A

sodium sulfide

sodium sulfide

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With sodium amalgam In not given dissociation of Na2S2O3 with sodium amalgam;;
With sodium In ammonia Kinetics; -34 - -65°C; followed by iodometry;
bromocyane
506-68-3

bromocyane

sodium thiosulfate

sodium thiosulfate

A

sodium tetrathionate

sodium tetrathionate

B

sodium thiocyanide
540-72-7

sodium thiocyanide

C

sodium sulfate
7757-82-6

sodium sulfate

D

sodium bromide
7647-15-6

sodium bromide

E

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With water In not given byproducts: HCN;
bromocyane
506-68-3

bromocyane

sodium thiosulfate

sodium thiosulfate

A

sodium tetrathionate

sodium tetrathionate

B

sodium thiocyanide
540-72-7

sodium thiocyanide

C

sodium sulfate
7757-82-6

sodium sulfate

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With water In water byproducts: HCN, NaBr; neutral soln., 0.1n Na2S2O3 soln. in excess;
With H2O In water byproducts: HCN, NaBr; neutral soln., 0.1n Na2S2O3 soln. in excess;
sodium thiosulfate

sodium thiosulfate

magnesium
7439-95-4

magnesium

A

magnesium hydroxide

magnesium hydroxide

B

magnesium hydrogensulfide

magnesium hydrogensulfide

C

hydrogen sulfide
7783-06-4

hydrogen sulfide

D

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In water reaction with Mg band at boiling heat;;
In water
sodium
7440-23-5

sodium

sodium thiosulfate

sodium thiosulfate

A

sodium sulfide

sodium sulfide

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With Na-amalgame In not given cleaving by Na-amalgame;;
sodium thiosulfate

sodium thiosulfate

A

zinc sulfide

zinc sulfide

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In not given in concd. NaOH soln., by warming, in 1 h 31% of S of Na2S2O3 pptd. as ZnS, resp.;
In not given in concd. NaOH soln., by warming, in 3 h 38% of S of Na2S2O3 pptd. as ZnS, resp.;
In not given in concd. NaOH soln., by warming, in 7 h 43% of S of Na2S2O3 pptd. as ZnS, resp.;
sodium cyanide
773837-37-9

sodium cyanide

sodium thiosulfate

sodium thiosulfate

A

sodium thiocyanide
540-72-7

sodium thiocyanide

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In water Kinetics; at 25, 69.84 and 90.00 °C;;
In water in the presence of rhodanase from liver or kidney;;
In water Kinetics; at 25, 69.84 and 90.00 °C;;
In water in the presence of rhodanase from liver or kidney;;
sodium thiosulfate

sodium thiosulfate

sodium hydroxide
1310-73-2

sodium hydroxide

A

sodium sulfide

sodium sulfide

B

water
7732-18-5

water

C

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In not given 140-200°C;
sodium thiosulfate

sodium thiosulfate

sodium hydroxide
1310-73-2

sodium hydroxide

sodium nitrite
7632-00-0

sodium nitrite

A

nitrogen
7727-37-9

nitrogen

B

water
7732-18-5

water

C

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In sodium hydroxide
sodium thiosulfate

sodium thiosulfate

sodium hydroxide
1310-73-2

sodium hydroxide

sodium nitrite
7632-00-0

sodium nitrite

A

ammonia
7664-41-7

ammonia

B

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With water In sodium hydroxide at high temp.;
sodium stannate(II)

sodium stannate(II)

sodium thiosulfate

sodium thiosulfate

A

sodium thiostannate

sodium thiostannate

B

sodium stannate

sodium stannate

C

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
With water In water byproducts: NaOH; in alk. soln., at room temp.;
With H2O In water byproducts: NaOH; in alk. soln., at room temp.;
tin (II) sulfide

tin (II) sulfide

sodium thiosulfate

sodium thiosulfate

A

sodium thiostannate

sodium thiostannate

B

sodium stannate

sodium stannate

C

sodium sulfite
7757-83-7

sodium sulfite

Conditions
ConditionsYield
In water in alk. soln.;
In water in alk. soln.;
potassium nitrate

potassium nitrate

sodium hydroxide
1310-73-2

sodium hydroxide

sodium sulfite
7757-83-7

sodium sulfite

sodium nitrite
7632-00-0

sodium nitrite

Conditions
ConditionsYield
In neat (no solvent) reaction of KNO3 and NaOH with an excess of Na2SO3 (free of water) at temp. between 320 and 420°C;;98%
oxygen
80937-33-3

oxygen

sodium sulfite
7757-83-7

sodium sulfite

Sulfate
14808-79-8

Sulfate

Conditions
ConditionsYield
cobalt(II) oxide In water Kinetics; thermostating an acetate buffer soln. in distd. water in a flask open to air or under O2/Ar, addn. of CoO, addn. of thermostated Na2SO3 soln. at 20 - 80°C, stirring this mixture, react. at 30, 35 and 40°C, pH = 4.63; filtration of CoO, pptn. the sulphate ions as BaSO4 for gravimetric estimation or determination by iodometric titration, rate depending on buffer soln., CoO, SO3(2-) and O2 concentration, influence of pH and buffer studied;98%
With sodium acetate; acetic acid; magnesium oxide In water Kinetics; simultaneous addn. of Na2SO3 and catalyst to acetate buffer, stirring at30°C, pH 5.5 and 1600 rpm under N2/O2 atmosphere, iodometric ana l. of unreacted S(IV);
copper(I) oxide In water Kinetics; simultaneous addn. of Na2SO3 and catalyst, stirring at 30°C and 1600 rpm under N2/O2 atmosphere with and without ethanol, iodometric anal. of unreacted S(IV);
hydroxocobalamin hydrochloride

hydroxocobalamin hydrochloride

sodium sulfite
7757-83-7

sodium sulfite

sulfitocobalamin, sodium salt

sulfitocobalamin, sodium salt

Conditions
ConditionsYield
With MES buffer In further solvent(s) Na2SO3 soln. (1.3 equiv.) added dropwise to soln. of hydroxycobalamin*HCl in MES buffer (pH 6); reacted at 0°C (ice bath) for 2 h; pptd. by dripping into chilled acetone (-20°C); filtered; washed with acetone and Et2O (-20°C); dried under vac. overnight;98%
3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde
443956-11-4

3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde

sodium sulfite
7757-83-7

sodium sulfite

6-bromo-7-chloro-4H-pyrido[3,2-b][1,4]oxazin-3-one
577691-88-4

6-bromo-7-chloro-4H-pyrido[3,2-b][1,4]oxazin-3-one

Conditions
ConditionsYield
Stage #1: 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde With chlorine In N,N-dimethyl-formamide at 0℃; for 2.75h;
Stage #2: sodium sulfite In N,N-dimethyl-formamide at 0 - 15℃; for 0.5h;
98%
benzyl chloride
100-44-7

benzyl chloride

sodium sulfite
7757-83-7

sodium sulfite

sodium α-toluenesulfonate
57267-76-2

sodium α-toluenesulfonate

Conditions
ConditionsYield
In not given alkaline media;97%
In not given alkaline media;97%
In not given86%
[3aS-(3aα,4β,6β,7aα)]-2-(3-bromopropyl)-3a,5,5-trimethylhexahydro-4,6-methano-1,3,2-benzodioxaborole

[3aS-(3aα,4β,6β,7aα)]-2-(3-bromopropyl)-3a,5,5-trimethylhexahydro-4,6-methano-1,3,2-benzodioxaborole

sodium sulfite
7757-83-7

sodium sulfite

[3aS-(3aα,4β,6β,7aα)]-2-(3-iodopropyl)-3a,5,5-trimethylhexahydro-4,6-methano-1,3,2-benzodioxaborole

[3aS-(3aα,4β,6β,7aα)]-2-(3-iodopropyl)-3a,5,5-trimethylhexahydro-4,6-methano-1,3,2-benzodioxaborole

Conditions
ConditionsYield
With sodium iodide In water; acetone95%
hydrogen sulfide
7783-06-4

hydrogen sulfide

sodium hydrogensulfite

sodium hydrogensulfite

sodium sulfite
7757-83-7

sodium sulfite

sodium thiosulfate

sodium thiosulfate

Conditions
ConditionsYield
In water from equimolar amounts of Na2SO3, NaHSO3 and H2S, best react. temp.: 20-40°C;;95%
In not given byproducts: H2O; adding H2S to solns. of NaHSO3 and Na2SO3 with slightly moving the liquid;; contains traces of sulfite;;
In not given passing H2S in trickle-bed reactor at 70 to 75°C trough solns. of NaHSO3 and Na2SO3;;
In not given byproducts: H2O; adding H2S to solns. of NaHSO3 and Na2SO3 with slightly moving the liquid;; contains traces of sulfite;;
dipotassium peroxodisulfate

dipotassium peroxodisulfate

sodium sulfite
7757-83-7

sodium sulfite

Sulfate
14808-79-8

Sulfate

Conditions
ConditionsYield
oxidation, in 2h , at 50°C;;95%
oxidation, in 2h , at 50°C;;95%
With borax; sodium tetraborate; isopropyl alcohol In water Kinetics; components soln. preparation (room temp., isopropyl alcohol as radical acceptor), keeping for 6 min at 60°C; soln. anal.;
sulfur dioxide
7446-09-5

sulfur dioxide

sodium hydrogensulfite

sodium hydrogensulfite

sodium sulfite
7757-83-7

sodium sulfite

sodium dithionite

sodium dithionite

Conditions
ConditionsYield
With sodium amalgam In ethanol reduction with Na-amalgam in presence of an organic base, <40°C, inert atmosphere;; dry product on treatment with dry CO2;;95%
With sodium amalgam In ethanol reduction with Na-amalgam (0.1-0.2% Na), 0-10°C;;
With sodium amalgam In ethanol reduction;;
aquopentaamminerhodium(III) perchlorate

aquopentaamminerhodium(III) perchlorate

sodium sulfite
7757-83-7

sodium sulfite

trans-Na[Rh(NH3)4(SO3)2]*2H2O

trans-Na[Rh(NH3)4(SO3)2]*2H2O

Conditions
ConditionsYield
In water heated at 85°C for 1.5 h; cooling to 25°C, pptn. with ethanol, filtration, washing with ethanol then ether, air-drying;95%
1,4-dioxane
123-91-1

1,4-dioxane

1-(4'-methoxy-biphenyl-4-yl)-ethanone
13021-18-6

1-(4'-methoxy-biphenyl-4-yl)-ethanone

sodium sulfite
7757-83-7

sodium sulfite

4'-methoxy-biphenyl-4-carboxylic acid
725-14-4

4'-methoxy-biphenyl-4-carboxylic acid

Conditions
ConditionsYield
With hydrogenchloride; bromine In water93%
sodium sulfite
7757-83-7

sodium sulfite

sodium sulfide

sodium sulfide

Conditions
ConditionsYield
With pyrographite redn. with charcoal at 640 - 800°C for 1 h (max.);92%
With coal redn. with charcoal at 640 - 800°C for 1 h (max.);92%
With carbon monoxide at 700 - 900°C;>99
With CO at 700 - 900°C;>99
1-bromoacetone
598-31-2

1-bromoacetone

sodium sulfite
7757-83-7

sodium sulfite

α-acetophenonesulfonic acid sodium salt
63738-92-1

α-acetophenonesulfonic acid sodium salt

Conditions
ConditionsYield
In not given90%
In not given90%
cis-dichloro(2,2′-bipyridine)ruthenium(II)chloride

cis-dichloro(2,2′-bipyridine)ruthenium(II)chloride

water
7732-18-5

water

sodium sulfite
7757-83-7

sodium sulfite

Ru(bpy)2(SO3)(H2O)
116663-18-4

Ru(bpy)2(SO3)(H2O)

Conditions
ConditionsYield
In ethanol for 1h; Reflux; Inert atmosphere;88%
osmium(VIII) oxide
20816-12-0

osmium(VIII) oxide

water
7732-18-5

water

sodium sulfite
7757-83-7

sodium sulfite

Na4[Os2(μ-O)2(SO3)4(H2O)4]*4.5H2O

Na4[Os2(μ-O)2(SO3)4(H2O)4]*4.5H2O

Conditions
ConditionsYield
With sulfuric acid In water aq. soln. of OsO4 mixed at 20°C with equimolar mixt. of Na2SO3 and H2SO4, heated at 50°C for 3 h, pptd.; filtered off, washed (ethanol, acetone), dried (50°C for 2 h, vac.), elem. anal.;87%
sodium sulfite
7757-83-7

sodium sulfite

2-ethyl-3-methyl-8-vinylquinoline

2-ethyl-3-methyl-8-vinylquinoline

(+)-2-ethyl-3-methyl-8-[(1S),2-dihydroxyethyl]quinoline

(+)-2-ethyl-3-methyl-8-[(1S),2-dihydroxyethyl]quinoline

Conditions
ConditionsYield
K2OsO2(OH)4 In water; tert-butyl alcohol86.5%
Ammonium iron sulfate

Ammonium iron sulfate

copper nitrate hemi(pentahydrate)

copper nitrate hemi(pentahydrate)

water
7732-18-5

water

sodium hydrogensulfite

sodium hydrogensulfite

sodium sulfite
7757-83-7

sodium sulfite

3Na(1+)*22H2O*2Fe(2+)*3Fe(3+)*2Cu(SO3)4(7-)*O(2-) = Na3(H2O)6[Fe(H2O)6]2[Cu(SO3)4]2[Fe(H2O)]3(O)*H2O

3Na(1+)*22H2O*2Fe(2+)*3Fe(3+)*2Cu(SO3)4(7-)*O(2-) = Na3(H2O)6[Fe(H2O)6]2[Cu(SO3)4]2[Fe(H2O)]3(O)*H2O

Conditions
ConditionsYield
In water Cu(NO3)2*3H2O (0.946 mmol) added to 10 ml of 1.6 M Na2SO3 and 0.5 M NaHSO3; soln. of Fe(NH4)2(SO4)2*6H2O (0.915 mmol) added; kept (several d); collected; washed with H2O; dried in air; elem. anal.;86%
methyl 2-[7-bromo-2-(methyloxy)-8-quinolinyl]-2-propenoate
944407-53-8

methyl 2-[7-bromo-2-(methyloxy)-8-quinolinyl]-2-propenoate

sodium sulfite
7757-83-7

sodium sulfite

methyl 2-[7-bromo-2-(methyloxy)-8-quinolinyl]-2-oxiranecarboxylate
944408-04-2

methyl 2-[7-bromo-2-(methyloxy)-8-quinolinyl]-2-oxiranecarboxylate

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In hexane; water; 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran; ethyl acetate84%
16H2O*2HO(1-)*Re6Se8(2+)

16H2O*2HO(1-)*Re6Se8(2+)

water
7732-18-5

water

sodium sulfite
7757-83-7

sodium sulfite

O18Re6S6Se8(10-)*36H2O*10Na(1+)

O18Re6S6Se8(10-)*36H2O*10Na(1+)

Conditions
ConditionsYield
for 2h; Heating;84%
16H2O*2HO(1-)*Re6S8(2+)

16H2O*2HO(1-)*Re6S8(2+)

water
7732-18-5

water

sodium sulfite
7757-83-7

sodium sulfite

O18Re6S14(10-)*37H2O*10Na(1+)

O18Re6S14(10-)*37H2O*10Na(1+)

Conditions
ConditionsYield
for 2h; Heating;82%
trans-{Pt(methylamine)2(NH3)2}Cl2

trans-{Pt(methylamine)2(NH3)2}Cl2

sodium sulfite
7757-83-7

sodium sulfite

{Pt(methylamine)2(NH3)2}{Pt(methylamine)2(SO3)2}

{Pt(methylamine)2(NH3)2}{Pt(methylamine)2(SO3)2}

Conditions
ConditionsYield
In water 25°C, equimolar mixt.; sepn. of ppt. after 12 h or evapn. to dryness (room temp.) and dissolving in water and filtered off; washing (EtOH, ether); elem. anal.;81%
ethyl 2-hydroxypropionate
97-64-3, 2676-33-7

ethyl 2-hydroxypropionate

sodium sulfite
7757-83-7

sodium sulfite

2-oxo-propionic acid ethyl ester
617-35-6

2-oxo-propionic acid ethyl ester

Conditions
ConditionsYield
With dihydrogen peroxide; bromine In dichloromethane; water80.2%
sodium hydrogensulfite

sodium hydrogensulfite

allyl alcohol
107-18-6

allyl alcohol

sodium sulfite
7757-83-7

sodium sulfite

sodium 3-hydroxypropanesulphonate
3542-44-7

sodium 3-hydroxypropanesulphonate

Conditions
ConditionsYield
In not given byproducts: Na2SO4; in presence of O2, oxidizing agents or salts of heavy metals;80%
In not given byproducts: Na2SO4; in presence of O2, oxidizing agents or salts of heavy metals;80%
cis-{Co(en)2(N3)2}NO3
22651-44-1

cis-{Co(en)2(N3)2}NO3

sodium sulfite
7757-83-7

sodium sulfite

cis-{Co(en)2(SO3)N3}*1.5H2O

cis-{Co(en)2(SO3)N3}*1.5H2O

cis-Na{Co(en)2(SO3)2}

cis-Na{Co(en)2(SO3)2}

Conditions
ConditionsYield
In water at 40 °C, well stirred; solution: violet -> orange/brown; after 10 min. addition of ethanol; crystn. after 2 h; washed with ethanol and ether, dried in air; cis-Na{Co(en)2(SO3)2} was removed by filtration of the saturated soln. in warm water and recrystn. by addition of acetone;A 80%
B n/a
tetrakis(acetonitrile)silver(I) hexafluorophosphate
86728-82-7

tetrakis(acetonitrile)silver(I) hexafluorophosphate

diethyl dithiophosphate ammonium salt
1068-22-0

diethyl dithiophosphate ammonium salt

sodium sulfite
7757-83-7

sodium sulfite

[Ag16(SO3){S2P(OEt)2}12]2(PF6)4

[Ag16(SO3){S2P(OEt)2}12]2(PF6)4

Conditions
ConditionsYield
Stage #1: tetrakis(acetonitrile)silver(I) hexafluorophosphate; diethyl dithiophosphate ammonium salt at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: sodium sulfite for 1h; Schlenk technique; Inert atmosphere;
79.07%
tetrapyridineplatinum(II) dichloride

tetrapyridineplatinum(II) dichloride

sodium sulfite
7757-83-7

sodium sulfite

{Pt(pyridine)4}{Pt(pyridine)2(SO3)2}

{Pt(pyridine)4}{Pt(pyridine)2(SO3)2}

Conditions
ConditionsYield
In water 25°C, equimolar mixt.; sepn. of ppt. after 12 h or evapn. to dryness (room temp.) and dissolving in water and filtered off; washing (EtOH, ether); elem. anal.;79%
{Pt(ethylamine)4}Cl2

{Pt(ethylamine)4}Cl2

sodium sulfite
7757-83-7

sodium sulfite

{Pt(ethylamine)4}{Pt(ethylamine)2(SO3)2}

{Pt(ethylamine)4}{Pt(ethylamine)2(SO3)2}

Conditions
ConditionsYield
In water 25°C, equimolar mixt.; sepn. of ppt. after 12 h or evapn. to dryness (room temp.) and dissolving in water and filtered off; washing (EtOH, ether); elem. anal.;78%
lead dioxide

lead dioxide

sodium sulfite
7757-83-7

sodium sulfite

A

lead(II,IV) oxide

lead(II,IV) oxide

B

dithionate

dithionate

Conditions
ConditionsYield
In not given heating on water bath;A n/a
B 77.5%
In not given heating on water bath;A n/a
B 77.5%
disodium hydrogenphosphate

disodium hydrogenphosphate

4'-(2-chloro-ethyl)-biphenyl-4-sulfonyl chloride
1021169-62-9

4'-(2-chloro-ethyl)-biphenyl-4-sulfonyl chloride

sodium sulfite
7757-83-7

sodium sulfite

sodium 4'-(2-chloroethyl)-4-biphenylsulfinate

sodium 4'-(2-chloroethyl)-4-biphenylsulfinate

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 37 - 60℃; for 6.26667 - 13.5h; Product distribution / selectivity;77.1%
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