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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

7-Hydroxynaphthalene-1,3-disulfonic acid

Cas:118-32-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 118-32-1 2 Naphthol 6,8 Disulfonic Acid

Cas:118-32-1

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

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 7-Hydroxynaphthalene-1,3-Disulfonic Acid

Cas:118-32-1

Min.Order:1

Negotiable

Type:Other

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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

High Quality Oled CAS 118-32-1 1,3-Naphthalenedisulfonicacid, 7-hydroxy-

Cas:118-32-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

7-Hydroxy-1,3-naphthalenedisulfonic acid

Cas:118-32-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

2-Naphthol-6,8-disulfonic acid Basic information Product Name: 2-Naphthol-6,8-disulfonic acid Synonyms: 7-Hydroxy-1,3-naphthalenedisulfonicacid;

TIANFU-CHEM 2-Naphthol-6,8-disulfonic acid118-32-1

Cas:118-32-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 118-32-1 with competitive price

Cas:118-32-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

2-Naphthol-6,8-disulfonic acid 118-32-1

Cas:118-32-1

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White powder Storage:Room temperature Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in China

7-Hydroxynaphthalene-1,3-disulfonic acid;2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

1,3-Naphthalenedisulfonicacid, 7-hydroxy- 118-32-1

Cas:118-32-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Naphthol-6,8-disulfonic acid CAS:118-32-1 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 orga

2-Naphthol-6,8-disulfonic acid CAS:118-32-1

Cas:118-32-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

1,3-Naphthalenedisulfonicacid, 7-hydroxy-

Cas:118-32-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

1,3-Naphthalenedisulfonicacid, 7-hydroxy-

Cas:118-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

7-Hydroxynaphthalene-1,3-disulfonic acid

Cas:118-32-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

2-Naphthol-6,8-dipotassiumdisulfonate

Cas:118-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

7-hydroxynaphthalene-1,3-disulfonic acid

Cas:118-32-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

7-hydroxynaphthalene-1,3-disulphonic acid

Cas:118-32-1

Min.Order:0

Negotiable

Type:Other

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

7-Hydroxynaphthalene-1,3-Disulfonic Acid

Cas:118-32-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

1,3-Naphthalenedisulfonicacid, 7-hydroxy-

Cas:118-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

1,3-Naphthalenedisulfonicacid, 7-hydroxy-

Cas:118-32-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

1,3-Naphthalenedisulfonicacid, 7-hydroxy-

Cas:118-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

7-Hydroxynaphthalene-1,3-Disulfonic Acid

Cas:118-32-1

Min.Order:0

Negotiable

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid Application:TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid

Cas:118-32-1

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

7-hydroxy-naphthalene-1-sulfonic acid
132-57-0

7-hydroxy-naphthalene-1-sulfonic acid

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

Conditions
ConditionsYield
beim Sulfurieren;
2-aminonaphthalene-6,8-disulfonate
86-65-7

2-aminonaphthalene-6,8-disulfonate

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

Conditions
ConditionsYield
Diazotization.Zersetzung mit siedender verd.Schwefelsaeure;
Verkochen mit verd. Schwefelsaeure.Diazotization;
β-naphthol
135-19-3

β-naphthol

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 60℃; Trennung ueber mehreren Stufen nach mehreren Verfahren (Trennung der γ-Saeure von der R-Saeure);
With sulfuric acid at 20℃; Trennung ueber mehreren Stufen nach mehreren Verfahren (Trennung der γ-Saeure von der R-Saeure);
With sulfuric acid Darstellung;
β-naphthol
135-19-3

β-naphthol

A

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

B

2-naphthol-6-sulfonic acid
93-01-6

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 60℃; Trennung ueber mehreren Stufen nach mehreren Verfahren (Trennung der γ-Saeure von der R-Saeure);
With sulfuric acid at 60℃; Trennung ueber mehreren Stufen nach mehreren Verfahren (Trennung der γ-Saeure von der R-Saeure);
7-hydroxy-1,3-naphthalene-disulfonic acid, dipotassium salt
842-18-2

7-hydroxy-1,3-naphthalene-disulfonic acid, dipotassium salt

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

Conditions
ConditionsYield
With water In n-heptane Rate constant; effect of bis(2-ethylhexyl)sulfosuccinate (AOT) on rate constants;
6,8-Disulfo-naphthalen-2-ol anion

6,8-Disulfo-naphthalen-2-ol anion

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

Conditions
ConditionsYield
With oxonium at 293℃; Rate constant;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

2-aminonaphthalene-6,8-disulfonate
86-65-7

2-aminonaphthalene-6,8-disulfonate

Conditions
ConditionsYield
With ammonium hydrogen sulfite; potassium chloride; ammonia In water at 130℃;75%
With ammonium sulfite; ammonia at 100℃;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

A

benzo[a]phenazine-3,6-disulfonic acid
1311158-17-4

benzo[a]phenazine-3,6-disulfonic acid

B

5-(2-hydroxy-6,8-bis(sulfo)naphthalen-1-yl)benzo[a]phenazine-1,3-disulfonic acid
1311158-19-6

5-(2-hydroxy-6,8-bis(sulfo)naphthalen-1-yl)benzo[a]phenazine-1,3-disulfonic acid

Conditions
ConditionsYield
Stage #1: 2-naphthol-6,8-disulfonic acid In dichloromethane at 20℃; for 20h;
Stage #2: 1,2-diamino-benzene With acetic acid In dichloromethane at 20℃; for 12h;
A n/a
B 74%
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

2,4,6-trimethyl-1,3-benzenedisulfonyl dichloride
68985-08-0

2,4,6-trimethyl-1,3-benzenedisulfonyl dichloride

tetrasodium 7,7'-[2,4-mesitylenediylbis(sulfonyloxy)]bis(1,3-naphthalenedisulfonate)

tetrasodium 7,7'-[2,4-mesitylenediylbis(sulfonyloxy)]bis(1,3-naphthalenedisulfonate)

Conditions
ConditionsYield
With sodium hydrogencarbonate at 45 - 50℃; for 22h;51%
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

naphthalene-1,5-disulphonyl chloride
1928-01-4

naphthalene-1,5-disulphonyl chloride

2,2'-<1,5-naphthalenediylbis(sulfonyloxy)>bis(6,8-naphthalenedisulfonic acid) tetrasodium salt

2,2'-<1,5-naphthalenediylbis(sulfonyloxy)>bis(6,8-naphthalenedisulfonic acid) tetrasodium salt

Conditions
ConditionsYield
With sodium hydrogencarbonate In water at 45 - 50℃; for 48h;19.2%
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

biphenyl-4,4'-disulfonyl chloride
3406-84-6

biphenyl-4,4'-disulfonyl chloride

2,2'-<4,4'-biphenyldiylbis(sulfonyloxy)>bis(6,8-naphthalenedisulfonic acid) tetrasodium salt

2,2'-<4,4'-biphenyldiylbis(sulfonyloxy)>bis(6,8-naphthalenedisulfonic acid) tetrasodium salt

Conditions
ConditionsYield
With sodium hydrogencarbonate In water at 40 - 45℃; for 48h;16.5%
benzenediazonium
2684-02-8

benzenediazonium

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

orange G
14245-98-8

orange G

Conditions
ConditionsYield
beim Behandeln von Benzoldiazoniumsalz;
4-methylbenzene diazonium
57573-52-1

4-methylbenzene diazonium

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

7-hydroxy-8-p-tolylazo-naphthalene-1,3-disulfonic acid
5859-09-6

7-hydroxy-8-p-tolylazo-naphthalene-1,3-disulfonic acid

3-amino-9H-xanthen-9-one
27231-26-1

3-amino-9H-xanthen-9-one

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

7-hydroxy-8-(9-oxo-xanthen-3-ylazo)-naphthalene-1,3-disulfonic acid

7-hydroxy-8-(9-oxo-xanthen-3-ylazo)-naphthalene-1,3-disulfonic acid

2-methylbenzene diazonium
17333-74-3

2-methylbenzene diazonium

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

7-hydroxy-8-o-tolylazo-naphthalene-1,3-disulfonic acid
74783-00-9

7-hydroxy-8-o-tolylazo-naphthalene-1,3-disulfonic acid

3-chlorobenzenediazonium
17333-84-5

3-chlorobenzenediazonium

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

8-(3-chloro-phenylazo)-7-hydroxy-naphthalene-1,3-disulfonic acid
23481-18-7

8-(3-chloro-phenylazo)-7-hydroxy-naphthalene-1,3-disulfonic acid

Diphenyl-4,4'-bis-diazonium
5957-03-9

Diphenyl-4,4'-bis-diazonium

2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

7,7'-dihydroxy-8,8'-biphenyl-4,4'-diyl-bis-azo-bis-naphthalene-1,3-disulfonic acid
18031-83-9

7,7'-dihydroxy-8,8'-biphenyl-4,4'-diyl-bis-azo-bis-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
With sodium carbonate
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

4-sulfo-naphthalene-1-diazonium-betaine
83702-86-7

4-sulfo-naphthalene-1-diazonium-betaine

Neucoccin
7244-14-6

Neucoccin

Conditions
ConditionsYield
With alkali
With alkali
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

diazotiertes 2-Amino-diphenylenoxyd
120612-68-2

diazotiertes 2-Amino-diphenylenoxyd

8-dibenzofuran-3-ylazo-7-hydroxy-naphthalene-1,3-disulfonic acid

8-dibenzofuran-3-ylazo-7-hydroxy-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
With alkali
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

2-methyl-5-hydroxybenzoic acid
578-22-3

2-methyl-5-hydroxybenzoic acid

Conditions
ConditionsYield
With sodium hydroxide at 260 - 320℃;
With sodium hydroxide at 260℃;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

2,8-dihydroxynaphthalene-6-sulphonic acid
6357-93-3

2,8-dihydroxynaphthalene-6-sulphonic acid

Conditions
ConditionsYield
With alkali durch Verschmelzen;
With potassium hydroxide at 200 - 205℃;
With alkali durch Verschmelzen;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

8-deuterio-7-hydroxy-naphthalene-1,3-disulfonic acid
116571-44-9

8-deuterio-7-hydroxy-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
With sodium hydroxide; water-d2 Behandeln des Reaktionsprodukts mit wss.Phosphat-Pufferloesung oder wss.HCl;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

5-amino-6-hydroxynaphthalene-2,4-disulphonic acid
18023-25-1

5-amino-6-hydroxynaphthalene-2,4-disulphonic acid

Conditions
ConditionsYield
durch Reduktion von Azoderivaten;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

7-ethoxy-naphthalene-1,3-disulfonic acid

7-ethoxy-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
durch Aethylieren;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

2-naphthol-6-sulfonic acid
93-01-6

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sodium amalgam
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

7-ethoxycarbonyloxy-naphthalene-1,3-disulfonyl chloride

7-ethoxycarbonyloxy-naphthalene-1,3-disulfonyl chloride

Conditions
ConditionsYield
With potassium hydroxide Erhitzen des Reaktionsprodukts mit Phosphorpentachlorid auf 130grad;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

4-amino-phenol
123-30-8

4-amino-phenol

7-(4-hydroxy-anilino)-naphthalene-1,3-disulfonic acid

7-(4-hydroxy-anilino)-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
With sodium disulfite
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

p-toluidine
106-49-0

p-toluidine

7-p-toluidino-naphthalene-1,3-disulfonic acid

7-p-toluidino-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
With sodium disulfite
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

ethylamine
75-04-7

ethylamine

6-ethylamino-4-hydroxy-naphthalene-2-sulfonic acid
6259-51-4

6-ethylamino-4-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
at 200℃; im Autoklaven und Erhitzen des Produkts mit Aetzalkali auf 210-220grad;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

dimethyl amine
124-40-3

dimethyl amine

6-dimethylamino-4-hydroxy-naphthalene-2-sulfonic acid
6259-50-3

6-dimethylamino-4-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
at 200℃; im Autoklaven und Erhitzen des Produkts mit Aetzalkali auf 210-220grad;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

diethylamine
109-89-7

diethylamine

6-diethylamino-4-hydroxy-naphthalene-2-sulfonic acid
111151-51-0

6-diethylamino-4-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
at 200℃; im Autoklaven und Erhitzen des Produkts mit Aetzalkali auf 210-220grad;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

p-dimethylaminonitrosobenzene
138-89-6

p-dimethylaminonitrosobenzene

9-dimethylamino-12H-benzo[a]phenoxazine-1,3-disulfonic acid

9-dimethylamino-12H-benzo[a]phenoxazine-1,3-disulfonic acid

Conditions
ConditionsYield
With ethanol
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

methylamine
74-89-5

methylamine

2-(N-methylamino)-8-hydroxynaphthalene-6-sulfonic acid
6259-53-6

2-(N-methylamino)-8-hydroxynaphthalene-6-sulfonic acid

Conditions
ConditionsYield
at 200℃; im Autoklaven und Erhitzen des Produkts mit Aetzalkali auf 210-220grad;
2-naphthol-6,8-disulfonic acid
118-32-1

2-naphthol-6,8-disulfonic acid

1,4-phenylenediamine
106-50-3

1,4-phenylenediamine

7-(4-amino-anilino)-naphthalene-1,3-disulfonic acid
86713-66-8

7-(4-amino-anilino)-naphthalene-1,3-disulfonic acid

Conditions
ConditionsYield
With sodium disulfite

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