As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay 98%min ---------------------------------------------------------------------------------------------
Cas:149-44-0
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryWelcome 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
Cas:149-44-0
Min.Order:1 Metric Ton
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Type:Manufacturers
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White Crystalline Powder Package:1kg/foil bag; 1kg/tin ; 25kg
Cas:149-44-0
Min.Order:100 Kilogram
FOB Price: $5.0
Type:Trading Company
inquiryThe 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
Cas:149-44-0
Min.Order:1
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inquiry1. 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
Cas:149-44-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry
Cas:149-44-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
inquirychengdu and import and export trade 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 res
About Product Technical Details Sodium hydroxymethanesulphinate Chemical Properties Melting point ~120 °C (dec.) density 1.744[at 20℃] vapor pressure 0.003Pa at 20℃
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Lab/Research institutions
inquiryStock products, own laboratory Storage:normal Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai
Cas:149-44-0
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryWITH 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
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:149-44-0
Min.Order:1 Metric Ton
FOB Price: $6.0 / 10.0
Type:Trading Company
inquiryName: Sodium Formaldehyde Sulfoxylate Synonyms: Hydroxymethanesulfinic acid sodium salt CAS:149-44-0 MF: CH3NaO3S Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Dye, decolorizatio
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $1.0
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inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:149-44-0
Min.Order:10 Gram
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Type:Other
inquiryAppearance:- Storage:R.T Package:25kg/drum Application:Chemicals Transportation:Express/Sea/Air Port:Any port in China
Cas:149-44-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:149-44-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySodium hydroxymethanesulphinate CAS:149-44-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality org
Cas:149-44-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:149-44-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:149-44-0
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryHenan 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:149-44-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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
Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Sodium hydroxymethanesulphinate CAS 149-44-0 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:149-44-0
Min.Order:0
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Type:Lab/Research institutions
inquirySodium hydroxymethanesulphinate CAS 149-44-0 Description Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishi
Cas:149-44-0
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:149-44-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:149-44-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct name: Sodium Bisulfoxylate Formaldehyde CAS No.:149-44-0 Molecule Formula:CH3NaO3S Molecule Weight:118.08 Purity: 99% Package: 25kg/drum Description:White to off-white powder Manufacture Standards:Enterprise Standard TEST
Cas:149-44-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium Oleate; sodium hydrogensulfite; zinc In water at 94℃; for 4h; further added surfactants; influence od electrodeposited zinc on synthesis; | 86% |
With sodium hydrogensulfite; zinc |
Conditions | Yield |
---|---|
In water-d2 Yields of byproduct given. Title compound not separated from byproducts; | |
In water-d2 Yield given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
Destillation; |
Conditions | Yield |
---|---|
With zinc In water Kinetics; Zinc powder and water are put int reactor at room temp., rapid stirring (homogeneous slurry), addn. of NaHSO3 and HCOH (94°C, 4 h).; iodometric titration; |
Conditions | Yield |
---|---|
Stage #1: Aminoiminomethanesulfinic acid With sodium hydroxide In water at 24.84℃; for 3h; Inert atmosphere; Stage #2: formaldehyd With sodium hydroxide In water at 24.84℃; for 0.333333h; pH=9.04; Kinetics; Concentration; pH-value; Time; Inert atmosphere; |
rongalite
tri-sodium salt of N-phosphonomethylglycine
N-Phosphonylmethyl-N-hydroxysulfinylmethyl-glycine tetrasodium salt
Conditions | Yield |
---|---|
In water at 20℃; for 4h; | 97.97% |
rongalite
tert-butyldimethylsilyl chloride
Conditions | Yield |
---|---|
Stage #1: rongalite; tert-butyldimethylsilyl chloride With pyridine at 0 - 20℃; Inert atmosphere; Stage #2: With sodium methylate at 0 - 20℃; for 1h; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
In water at 60℃; for 1h; | 94% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 80℃; for 22h; | 93% |
Conditions | Yield |
---|---|
In N-methyl-acetamide; water | 93% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol at 60℃; for 96h; | 91% |
rongalite
aminomethylphosphonic acid disodium salt
N-Phosphonylmethyl-aminomethylsulfinic acid trisodium salt
Conditions | Yield |
---|---|
In water for 4h; Ambient temperature; | 90% |
2,3-di(bromomethyl)naphthalene
rongalite
3,4-dihydro-1H-3λ4-naphtho[2,3-d][1,2]oxathiin-3-one
Conditions | Yield |
---|---|
With tetrabutylammomium bromide In N,N-dimethyl-formamide at 0℃; for 6h; | 90% |
Conditions | Yield |
---|---|
In water at 50℃; for 1h; | 89% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 88% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 85% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 85% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 85% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide In N,N-dimethyl-formamide at 0℃; | 83% |
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
rongalite
1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonyl chloride
Conditions | Yield |
---|---|
With chlorine In N-methyl-acetamide; water | 82% |
rongalite
A
trithioformaldehyde
B
sulfur dioxide
C
Sulfate
D
sulphurous acid
E
sulfur
Conditions | Yield |
---|---|
With hydrogenchloride In not given byproducts: H2O, polythionic acids; digesting with HCl-soln.; | A n/a B 82% C 0% D n/a E 82% |
With HCl In not given byproducts: H2O, polythionic acids; digesting with HCl-soln.; | A n/a B 82% C 0% D n/a E 82% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 82% |
Conditions | Yield |
---|---|
With iodine; 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(II) oxide at 100℃; for 3h; | 81% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 80% |
Conditions | Yield |
---|---|
With iodine; 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(II) oxide at 100℃; for 3h; | 80% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 79% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 79% |
Conditions | Yield |
---|---|
With iodine; 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(II) oxide at 100℃; for 3h; | 79% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 78% |
1,2-bis(bromomethyl)-4,5-dimethoxybenzene
rongalite
Conditions | Yield |
---|---|
With tetrabutylammomium bromide In N,N-dimethyl-formamide at 0 - 20℃; for 6h; | 77.1% |
Conditions | Yield |
---|---|
In ethanol; water at 60℃; for 24h; | 77% |
1'-naphthacetophenone
rongalite
dimethyl sulfoxide
methyl 2-naphthyl ketone
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 76% |
Conditions | Yield |
---|---|
With potassium carbonate In isopropyl alcohol at 65℃; for 432h; | 75% |
Conditions | Yield |
---|---|
With copper(II) nitrate trihydrate; iodine at 100℃; for 8h; | 75% |
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