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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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 6-hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:1

Negotiable

Type:Other

inquiry

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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

Wholesale price CAS 93-01-6 with best price

Cas:93-01-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

2-Naphthalenesulfonicacid, 6-hydroxy- 93-01-6

Cas:93-01-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

6-Hydroxynaphthalene-2-sulphonic acid CAS:93-01-6 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 qualit

6-Hydroxynaphthalene-2-sulphonic acid CAS:93-01-6

Cas:93-01-6

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

2-Naphthalenesulfonicacid, 6-hydroxy-

Cas:93-01-6

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

2-Naphthalenesulfonicacid, 6-hydroxy-

Cas:93-01-6

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Manufacturers

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

6-hydroxynaphthalene-2-sulfonic Acid

Cas:93-01-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

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-sodiumsulfonate

Cas:93-01-6

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

6-hydroxynaphthalene-2-sulfonic Acid

Cas:93-01-6

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so

2-Naphthalenesulfonicacid, 6-hydroxy-

Cas:93-01-6

Min.Order:1 Metric Ton

Negotiable

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

6-hydroxynaphthalene-2-sulfonic Acid

Cas:93-01-6

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

6-hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Manufacturers

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

6-hydroxynaphthalene-2-sulfonic Acid

Cas:93-01-6

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

6-hydroxynaphthalene-2-sulfonic Acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

6-hydroxynaphthalene-2-sulphonic

Cas:93-01-6

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Best service,high quality and cheap price. Storage:Keep away from heat,sparks and flames. Package:25kg/50kg/200kg drum or Customer demand Application:Used as pharmaceutical intermediates Transportation:BY sea/air or by courier

6-hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

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

6-Hydroxynaphthalene-2-Sulphonic Acid

Cas:93-01-6

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

2-Naphthalenesulfonicacid, 6-hydroxy-

Cas:93-01-6

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

6-Hydroxynaphthalene-2-Sulphonic Acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

6-hydroxynaphthalene-2-sulfonic Acid Application:6-hydroxynaphthalene-2-sulfonic Acid

6-hydroxynaphthalene-2-sulfonic Acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Other

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio

6-Hydroxynaphthalene-2-sulphonic acid

Cas:93-01-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

β-naphthol
135-19-3

β-naphthol

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid
With 1,4-dioxane; sulfur trioxide; 1,2-dichloro-ethane
With chlorosulfonic acid; 1,1,2,2-tetrachloroethane at 100℃;
With sulfuric acid at 80℃; for 6h; Temperature;128 g
1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid
80073-10-5

1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid

1-amino-2-ethoxy-naphthalene-6-sulphonic acid
118-28-5

1-amino-2-ethoxy-naphthalene-6-sulphonic acid

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

2-naphthol-6-sulfonic acid

2-hydroxy-naphthalene-disulfonic acid-(1.6)

2-hydroxy-naphthalene-disulfonic acid-(1.6)

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With mineral acid
1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid
80073-10-5

1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid

chloroethane
75-00-3

chloroethane

1-amino-2-ethoxy-naphthalene-6-sulphonic acid
118-28-5

1-amino-2-ethoxy-naphthalene-6-sulphonic acid

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With potassium hydroxide
β-naphthol
135-19-3

β-naphthol

A

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

7-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid
With sulfuric acid
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);
2-oxy-naphthoic acid-(1)-sulfonic acid-(6)

2-oxy-naphthoic acid-(1)-sulfonic acid-(6)

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With water at 60℃;
potassium-<2-hydroxy-naphthalene sulfonate-(1)>

potassium-<2-hydroxy-naphthalene sulfonate-(1)>

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With quartz sand at 200℃;
potassium naphthyl-(2)-sulfate

potassium naphthyl-(2)-sulfate

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With potassium hydrogensulfate at 200℃;
2,2'-Dinaphthyl ether
613-80-9

2,2'-Dinaphthyl ether

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 90 - 100℃;
7-aminonaphthalene-1-sulfonic acid
86-60-2

7-aminonaphthalene-1-sulfonic acid

A

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

7-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sodium metabisulfite man saeuert mit Salzsaeure oder Schwefelsaeure und trennt von der gleichzeitig entstehenden Nebenprodukt;
With sodium metabisulfite man saeuert mit Salzsaeure oder Schwefelsaeure und trennt von der gleichzeitig entstehenden Nebenprodukt;
With sodium metabisulfite man saeuert mit Salzsaeure oder Schwefelsaeure und trennt von der gleichzeitig entstehenden Nebenprodukt;
β-naphthol
135-19-3

β-naphthol

A

2-hydroxynaphthalene-7-sulfonic acid
92-40-0

2-hydroxynaphthalene-7-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 100 - 105℃;
naphthalene-2,6-disulfonic acid
581-75-9

naphthalene-2,6-disulfonic acid

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With potassium carbonate
3.5-dioxy-naphthoic acid-(2)-sulfonic acid-(7)

3.5-dioxy-naphthoic acid-(2)-sulfonic acid-(7)

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With sodium metabisulfite
sodium-salt of/the/ 2-hydroxy-1-diazonio-naphthalene sulfonate-(6)

sodium-salt of/the/ 2-hydroxy-1-diazonio-naphthalene sulfonate-(6)

A

2-naphthol-1,6-disulfonic acid
69422-83-9

2-naphthol-1,6-disulfonic acid

B

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With water; sodium sulfite und Erwaermen des Reaktionsgemisches unter Zusatz von Kupfer(II)-sulfat und Kupfer-Pulver;
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
Bronner acid
93-00-5

Bronner acid

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium metabisulfite
β-naphthol
135-19-3

β-naphthol

A

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

2-naphthol-6-sulfonic acid

B

naphthol-(2)-disulfonic acid-(3.6) and naphthol-(2)-disulfonic acid-(6.8)

naphthol-(2)-disulfonic acid-(3.6) and naphthol-(2)-disulfonic acid-(6.8)

Conditions
ConditionsYield
With sulfuric acid
sulfuric acid
7664-93-9

sulfuric acid

β-naphthol
135-19-3

β-naphthol

A

2-hydroxy-naphthalene-1-sulfonic acid
567-47-5

2-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

C

7-hydroxy-naphthalene-sulfonic acid-(1)

7-hydroxy-naphthalene-sulfonic acid-(1)

D

2-hydroxy-naphthalene-disulfonic acid-(1.6)

2-hydroxy-naphthalene-disulfonic acid-(1.6)

Conditions
ConditionsYield
at 20 - 30℃;
sulfuric acid
7664-93-9

sulfuric acid

β-naphthol
135-19-3

β-naphthol

metaboric acid

metaboric acid

A

2-hydroxy-naphthalene-1-sulfonic acid
567-47-5

2-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

C

7-hydroxy-naphthalene-sulfonic acid-(1)

7-hydroxy-naphthalene-sulfonic acid-(1)

D

2-hydroxy-naphthalene-disulfonic acid-(1.6)

2-hydroxy-naphthalene-disulfonic acid-(1.6)

Conditions
ConditionsYield
at 0 - 85℃;
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

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

2-naphthol-6-sulfonic acid

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

6-Sulfo-naphthalen-2-ol anion

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
With oxonium at 293℃; Rate constant;
β-naphthol
135-19-3

β-naphthol

A

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

7-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6,8-disulfonic acid

C

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

2-naphthol-6-sulfonic acid

D

2-naphthol-3,6-disulphonic acid
148-75-4

2-naphthol-3,6-disulphonic acid

Conditions
ConditionsYield
With sulfuric acid at 90 - 110℃; Kinetics; Product distribution; heterogeneous sulfonation;
chlorosulfonic acid
7790-94-5

chlorosulfonic acid

1,1,1,2-tetrachoroethane
630-20-6

1,1,1,2-tetrachoroethane

β-naphthol
135-19-3

β-naphthol

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
at 130℃;
water
7732-18-5

water

m-sulfanilic acid diazonium salt
618-06-4

m-sulfanilic acid diazonium salt

A

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

2-naphthol-6,8-disulfonic acid

B

1-hydroxy-4-naphthalenesulfonate
84-87-7

1-hydroxy-4-naphthalenesulfonate

C

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
at 0℃; vom pH 4.6-13.2;
sulfuric acid
7664-93-9

sulfuric acid

β-naphthol
135-19-3

β-naphthol

A

2-hydroxynaphthalene-7-sulfonic acid
92-40-0

2-hydroxynaphthalene-7-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
at 100 - 105℃;
sulfuric acid
7664-93-9

sulfuric acid

β-naphthol
135-19-3

β-naphthol

A

2-hydroxy-naphthalene-1-sulfonic acid
567-47-5

2-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

C

7-hydroxy-naphthalene-sulfonic acid-(2)

7-hydroxy-naphthalene-sulfonic acid-(2)

D

7-hydroxy-naphthalene-sulfonic acid-(1)

7-hydroxy-naphthalene-sulfonic acid-(1)

Conditions
ConditionsYield
at 50 - 55℃;
2-hydroxy-6-sulfo-[1]naphthoic acid

2-hydroxy-6-sulfo-[1]naphthoic acid

water
7732-18-5

water

A

carbon dioxide
124-38-9

carbon dioxide

B

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

2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
at 60℃;
sulfuric acid
7664-93-9

sulfuric acid

β-naphthol
135-19-3

β-naphthol

A

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

7-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

sulfuric acid
7664-93-9

sulfuric acid

2-hydroxy-naphthalene-1-sulfonic acid
567-47-5

2-hydroxy-naphthalene-1-sulfonic acid

A

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

7-hydroxy-naphthalene-1-sulfonic acid

B

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

2-naphthol-6-sulfonic acid

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

2-naphthol-6-sulfonic acid

aniline
62-53-3

aniline

6-hydroxy-5-phenylazo-naphthalene-2-sulfonic acid
23481-33-6

6-hydroxy-5-phenylazo-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
Stage #1: aniline With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.25h;
Stage #2: 2-naphthol-6-sulfonic acid With sodium carbonate; sodium hydroxide In water at 0 - 20℃; for 1.5h; pH=10;
85.7%
1-nitroso-2-hydroxy-naphthalene-6-sulphonic acid
14090-74-5

1-nitroso-2-hydroxy-naphthalene-6-sulphonic acid

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

2-naphthol-6-sulfonic acid

1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid
80073-10-5

1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid

Conditions
ConditionsYield
82%
2-naphthol-6-sulfonic acid
93-01-6

2-naphthol-6-sulfonic acid

3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazoline-6-diazonium

3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazoline-6-diazonium

5-(3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-6-hydroxy-naphthalene-2-sulfonic acid

5-(3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-6-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium carbonate; sodium chloride In water 1.) 0-5 deg C, 3 h; 2.) 60 deg C;81%
2-naphthol-6-sulfonic acid
93-01-6

2-naphthol-6-sulfonic acid

4-chloro-6-diazo-2,4-cyclohexadienone
3028-27-1

4-chloro-6-diazo-2,4-cyclohexadienone

1-(2-hydroxy-5-chlorophenylazo)-2-hydroxy-6-sulfonaphthalene

1-(2-hydroxy-5-chlorophenylazo)-2-hydroxy-6-sulfonaphthalene

Conditions
ConditionsYield
With potassium hydroxide a) RT, 4 h, b) 40 to 50 deg C, 4 h;70%
3,4-dicyanoaniline
56765-79-8

3,4-dicyanoaniline

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

2-naphthol-6-sulfonic acid

4-[(Z)-(2-hydroxy-6-sulfo-1-naphthyl)diazenyl]phthalonitrile

4-[(Z)-(2-hydroxy-6-sulfo-1-naphthyl)diazenyl]phthalonitrile

Conditions
ConditionsYield
Stage #1: 2-naphthol-6-sulfonic acid With sodium hydroxide In water
Stage #2: With sulfuric acid In water
Stage #3: 3,4-dicyanoaniline Further stages;
68%
2-naphthol-6-sulfonic acid
93-01-6

2-naphthol-6-sulfonic acid

2-amino-phenol
95-55-6

2-amino-phenol

1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid
861048-50-2

1-[(2-hydroxyl)phenylazo]-2-naphthol-6-sulfonic acid

Conditions
ConditionsYield
Stage #1: 2-amino-phenol With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.25h;
Stage #2: 2-naphthol-6-sulfonic acid With sodium carbonate; sodium hydroxide In water at 0 - 20℃; for 1.5h; pH=10;
65.5%
chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

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

2-naphthol-6-sulfonic acid

6-ethoxycarbonyloxy-naphthalene-2-sulfonic acid

6-ethoxycarbonyloxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium hydroxide
(2-hydroxyethyl)(methyl)amine
109-83-1

(2-hydroxyethyl)(methyl)amine

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

2-naphthol-6-sulfonic acid

6-[(2-hydroxy-ethyl)-methyl-amino]-naphthalene-2-sulfonic acid

6-[(2-hydroxy-ethyl)-methyl-amino]-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With ammonia; water; sodium hydrogensulfite
benzenediazonium
2684-02-8

benzenediazonium

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

2-naphthol-6-sulfonic acid

6-hydroxy-5-phenylazo-naphthalene-2-sulfonic acid
23481-33-6

6-hydroxy-5-phenylazo-naphthalene-2-sulfonic acid

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

4-methylbenzene diazonium

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

2-naphthol-6-sulfonic acid

6-hydroxy-5-p-tolylazo-naphthalene-2-sulfonic acid
5859-07-4

6-hydroxy-5-p-tolylazo-naphthalene-2-sulfonic acid

chloroform
67-66-3

chloroform

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

2-naphthol-6-sulfonic acid

5-formyl-6-hydroxy-naphthalene-2-sulfonic acid
10336-92-2

5-formyl-6-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium hydroxide
2-methylbenzene diazonium
17333-74-3

2-methylbenzene diazonium

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

2-naphthol-6-sulfonic acid

6-hydroxy-5-o-tolylazo-naphthalene-2-sulfonic acid
74782-97-1

6-hydroxy-5-o-tolylazo-naphthalene-2-sulfonic acid

4-diazobenzenesulfonic acid
305-80-6

4-diazobenzenesulfonic acid

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

2-naphthol-6-sulfonic acid

FD and C Yellow No. 6
5859-11-0

FD and C Yellow No. 6

Conditions
ConditionsYield
in alkal. Loesung;
4,4'-diaminodiphenylamine
537-65-5

4,4'-diaminodiphenylamine

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

2-naphthol-6-sulfonic acid

6,6'-(4,4'-imino-dianilino)-bis-naphthalene-2-sulfonic acid

6,6'-(4,4'-imino-dianilino)-bis-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
nach dem Sulfit-Verfahren;
1-hydroxy-6-amino-3-naphthalenesulfonic acid
87-02-5

1-hydroxy-6-amino-3-naphthalenesulfonic acid

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

2-naphthol-6-sulfonic acid

thiosulfuric acid S-(2,5-diamino-phenyl ester)
93930-09-7

thiosulfuric acid S-(2,5-diamino-phenyl ester)

Conditions
ConditionsYield
With sodium hydrogensulfite
2,5-diaminobenzenesulfonic acid
88-45-9

2,5-diaminobenzenesulfonic acid

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

2-naphthol-6-sulfonic acid

6-(4-amino-3-sulfo-anilino)-naphthalene-2-sulfonic acid

6-(4-amino-3-sulfo-anilino)-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
nach dem Sulfit-Verfahren;
4,4'-diaminodiphenylamine-2'-sulfonic acid
119-70-0

4,4'-diaminodiphenylamine-2'-sulfonic acid

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

2-naphthol-6-sulfonic acid

5-(6-sulfo-[2]naphthylamino)-2-[4-(6-sulfo-[2]naphthylamino)-anilino]-benzenesulfonic acid

5-(6-sulfo-[2]naphthylamino)-2-[4-(6-sulfo-[2]naphthylamino)-anilino]-benzenesulfonic acid

Conditions
ConditionsYield
nach dem Sulfit-Verfahren;
4-aminodiphenylamine-2-sulfonic acid
91-30-5

4-aminodiphenylamine-2-sulfonic acid

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

2-naphthol-6-sulfonic acid

6-(4-anilino-3-sulfo-anilino)-naphthalene-2-sulfonic acid

6-(4-anilino-3-sulfo-anilino)-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
nach dem Sulfit-Verfahren;
methylamine hydrochloride
593-51-1

methylamine hydrochloride

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

2-naphthol-6-sulfonic acid

6-methylamino-naphthalene-2-sulfonic acid
64375-16-2

6-methylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium hydroxide at 180 - 200℃; im Autoklaven;
benzenediazonium nitrate

benzenediazonium nitrate

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

2-naphthol-6-sulfonic acid

6-hydroxy-5-phenylazo-naphthalene-2-sulfonic acid
23481-33-6

6-hydroxy-5-phenylazo-naphthalene-2-sulfonic acid

aniline hydrochloride
142-04-1

aniline hydrochloride

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

2-naphthol-6-sulfonic acid

aniline
62-53-3

aniline

A

N-Phenyl-2-naphthylamine
135-88-6

N-Phenyl-2-naphthylamine

B

2-anilinonaphthalene-6-sulfonic acid
20096-53-1

2-anilinonaphthalene-6-sulfonic acid

Conditions
ConditionsYield
at 190 - 200℃; das Natriumsalz reagiert;
2-naphthol-6-sulfonic acid
93-01-6

2-naphthol-6-sulfonic acid

phenylhydrazine
100-63-0

phenylhydrazine

7H-benzo[c]carbazole-3-sulfonic acid

7H-benzo[c]carbazole-3-sulfonic acid

Conditions
ConditionsYield
With sodium disulfite Behandeln des Reaktionsprodukts mit Natronlauge;

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