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Dayang Chem (Hangzhou) Co.,Ltd.

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 according to the contract research and development services for t

1-Naphthylamine-7-sulfonic acid suppliers in China

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 8-aminonaphthalene-2-sulphonic acid

Cas:119-28-8

Min.Order:1

Negotiable

Type:Other

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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

8-Amino-2-naphthalenesulfonic acid

Cas:119-28-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Leader Biochemical Group

About Product Details

China Largest factory Manufacturer Supply Highest Quality 1-Naphthylamine-7-sulfonic acid CAS 119-28-8

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Lab/Research institutions

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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

1-Naphthylamine-7-sulfonic acid 119-28-8

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

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

Factory direct supply CAS 119-28-8 with best quality

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Light gray crystal Storage:Room Temperature Package:25kg/Barrel Application:Intermediates of Dyes and Pigments Transportation:Express/Sea/Air Port:Any port in China

High quality 1-Naphthylamine-7-Sulfonic Acid(1,7-cleve's acid);

Cas:119-28-8

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

1-Naphthylamine-7-sulfonic acid 119-28-8

Cas:119-28-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: 1-Naphthylamine-7-sulfonic acid CAS: 119-28-8 MF: C10H9NO3S MW: 223.25 EINECS: 204-311-4 Mol File: 119-28-8.mol 1-Naphthylamine-7-sulfonic acid Structure 1-Naphthylamine-7-sulfonic acid Chemical Properties Melting po

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Specifications:appearance: grey-reAppearance:grey-red power Storage:Rom tep. Package:25kg net/bag Port:Shanghai

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

8-Amino-2-naphtalenesulfonic acid CAS NO.119-28-8

Cas:119-28-8

Min.Order:10 Gram

Negotiable

Type:Trading Company

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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

1-Naphthylamine-7-Sulfonic Acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Manufacturers

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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

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif

1-Naphthylamine-7-sulfonic acid 98% CAS 119-28-8

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $75.0 / 150.0

Type:Trading Company

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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

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

Top quality 1-Naphthylamine-7-sulfonic acid 119-28-8 good supplier Molecular Formula C10H9NO3S Molar Mass 223.25 Density 1.3588 (rough estimate) Melting Point ≥300°C(lit.) Boling Point

Top quality 1-Naphthylamine-7-sulfonic acid 119-28-8 good supplier

Cas:119-28-8

Min.Order:1 Gram

Negotiable

Type:Other

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

1-Naphthylamine-7-sulfonic acid 119-28-8

Cas:119-28-8

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product Name: 1-Naphthylamine-7-sulfonic acid Synonyms: TIMTEC-BBSBB000621;SODIUMNAPTHIONATE;SODIUMNAPHTHIONATE;SODIUM1-NAPHTHYLAMINE-4-SULFONATE;PARA-NAPHTHIONICACChemicalbookID,NASALT;NAPHTHIONICACIDSODIUMSALT0.5-WATER;NAPHT

1-Naphthylamine-7-Sulfonic Acid

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:1 Kilogram

FOB Price: $2.0

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

8-Amino-2-naphtalenesulfonic acid CAS NO.119-28-8 CAS NO.119-28-8

Cas:119-28-8

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

1-Naphthylamine-7- sulfonic acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Manufacturers

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

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

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

1-Naphthylamine-7-Sulfonic Acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 8-Amino-2-naphthalenesulfonic Acid 25g

Cas:119-28-8

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

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

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Chemsigma International Co.,Ltd.

bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical

1-Naphthylamine-7-sulfonic acid

Cas:119-28-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Luhan Pharmachem Co., Lt

QualityAdvanced technologySupper qualityEffective & safety packageServiceProfessional and timely afte-sale service(replied within 12h)Appearance:grey-red power Storage:cool,dry, ventilated Package:1kg/bag, 10kg/drum, 25kg/drum(on requests) Applicatio

1-Naphthylamine-7-sulfonic acidCAS NO.: 119-28-8

Cas:119-28-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

naphthalene-2-sulfonate
120-18-3

naphthalene-2-sulfonate

A

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

B

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 25℃; anschl. bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure;
With sulfuric acid; nitric acid at 25℃; dann bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure;
Stage #1: naphthalene-2-sulfonate With sulfuric acid at 120℃; for 0.666667h;
Stage #2: With nitric acid at 33 - 35℃; for 20h; Reagent/catalyst; Overall yield = 86 percent; Overall yield = 75 g; Further stages;
1-nitro-7-naphthalenesulfonic acid
18425-74-6

1-nitro-7-naphthalenesulfonic acid

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

Conditions
ConditionsYield
With ammonium sulfide
With iron; acetic acid
8-hydroxy-naphthalene-2-sulfonic acid
20191-62-2

8-hydroxy-naphthalene-2-sulfonic acid

sodium disulfite

sodium disulfite

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

Conditions
ConditionsYield
Reaktion des Natriumsalzes; Erhitzen des Reaktionsprodukts mit Ammoniak unter Druck auf 100-110grad, dann beim Ansaeuern;
sulfuric acid
7664-93-9

sulfuric acid

1-amino-naphthalene-2,7-disulfonic acid
486-54-4

1-amino-naphthalene-2,7-disulfonic acid

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

1-amino-naphthalene-2,7-disulfonic acid
486-54-4

1-amino-naphthalene-2,7-disulfonic acid

water
7732-18-5

water

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

Conditions
ConditionsYield
unter Druck;
1-nitro-7-naphthalenesulfonic acid
18425-74-6

1-nitro-7-naphthalenesulfonic acid

ammonium sulfide

ammonium sulfide

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-hydroxy-naphthalene-2-sulfonic acid
20191-62-2

8-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
Stage #1: 8-amino-2-naphthalenesulfonic acid With water; sodium hydrogensulfite for 15h; Reflux; Inert atmosphere;
Stage #2: With sodium hydroxide In water for 4h; Reflux;
Stage #3: With hydrogenchloride In water
95%
With sodium disulfite man kocht und macht alkalisch;
With sodium hydroxide at 260℃;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

3,4-dichlorobenzoyl chloride
3024-72-4

3,4-dichlorobenzoyl chloride

8-(3,4-dichlorobenzamido)naphthalene-2-sulfonic acid
1415094-32-4

8-(3,4-dichlorobenzamido)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With pyridine at 20℃; for 12h; Inert atmosphere;91%
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

4-nitro-aniline
100-01-6

4-nitro-aniline

8-amino-5-(4-nitro-phenylazo)-2-naphthalenesulfonic acid

8-amino-5-(4-nitro-phenylazo)-2-naphthalenesulfonic acid

Conditions
ConditionsYield
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at 0℃; for 0.333333h;
Stage #2: 8-amino-2-naphthalenesulfonic acid In methanol; water at 20℃; for 0.5h;
90%
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-5,8'-azo-bis-naphthalene-2-sulphonic acid

8-amino-5,8'-azo-bis-naphthalene-2-sulphonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite at 55℃; for 0.5h; pH=2;87%
With ethanol; nitrate radical
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-chloro-naphthalene-2-sulfonic acid
42849-62-7

8-chloro-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
Stage #1: 8-amino-2-naphthalenesulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Inert atmosphere;
Stage #2: With hydrogenchloride; copper(l) chloride In water at 0 - 20℃; for 13h; Inert atmosphere;
65%
durch Austausch von NH2 gegen Chlor;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

phenylhydrazine
100-63-0

phenylhydrazine

sodium 1-phenylazonaphthalene-7-sulfonate

sodium 1-phenylazonaphthalene-7-sulfonate

Conditions
ConditionsYield
With sodium hydrogencarbonate at 140 - 150℃; for 24h;43%
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

poly(5-aminonaphthalene-2-sulphonic acid)

poly(5-aminonaphthalene-2-sulphonic acid)

Conditions
ConditionsYield
With sodium hydroxide; sodium persulfate In water at 20℃; for 16h; oxidative polymerization;31%
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

benzene-1,3-dicarbonyl dichloride
99-63-8

benzene-1,3-dicarbonyl dichloride

disodium 8,8'-[1,3-phenylenebis(carbonylimino)]bis(2-naphthalenesulfonate)

disodium 8,8'-[1,3-phenylenebis(carbonylimino)]bis(2-naphthalenesulfonate)

Conditions
ConditionsYield
With sodium carbonate In chloroform; water at 25℃; for 18h;28%
benzenediazonium
2684-02-8

benzenediazonium

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-5-phenylazo-naphthalene-2-sulfonic acid
68121-31-3

8-amino-5-phenylazo-naphthalene-2-sulfonic acid

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

benzene diazonium chloride
100-34-5

benzene diazonium chloride

5,8-diamino-naphthalene-2-sulfonic acid
6357-90-0

5,8-diamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium acetate Reduzieren mit Zinn(II)-chlorid und Salzsaeure;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

3-carboxylato-4-hydroxybenzenediazonium
68596-89-4

3-carboxylato-4-hydroxybenzenediazonium

2-hydroxy-5-[4-(2-hydroxy-3-phenylcarbamoyl-[1]naphthylazo)-6-sulfo-[1]naphthylazo]-benzoic acid

2-hydroxy-5-[4-(2-hydroxy-3-phenylcarbamoyl-[1]naphthylazo)-6-sulfo-[1]naphthylazo]-benzoic acid

Conditions
ConditionsYield
diazotiert wieder und kuppelt mit 3-Oxy-naphthoesaeure-(2)-anilid in sodaalkalischer Loesung;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

1,7-Dihydroxynaphthalene
575-38-2

1,7-Dihydroxynaphthalene

B

8-amino-2-naphthol
118-46-7

8-amino-2-naphthol

C

8-hydroxy-naphthalene-2-sulfonic acid
20191-62-2

8-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
at 260℃; unter Druck;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

benzo[h]quinolin-9-ol
57442-06-5

benzo[h]quinolin-9-ol

Conditions
ConditionsYield
ueber Benzo<h>chinolin-9-sulfonsaeure;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-2-naphthol
118-46-7

8-amino-2-naphthol

Conditions
ConditionsYield
With sodium hydroxide; water at 250 - 260℃;
With sodium hydroxide; water
With sodium hydroxide at 280 - 320℃; for 10h; Autoclave;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-hydroxy-5,7-dinitro-2-naphthalenesulfonic acid
483-84-1

8-hydroxy-5,7-dinitro-2-naphthalenesulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite Diazotization.und Behandeln des Reaktionsprodukts mit Salpetersaeure;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

1-aminonaphthalene-2,4,7-trisulphonic acid
61986-93-4

1-aminonaphthalene-2,4,7-trisulphonic acid

Conditions
ConditionsYield
With sulfuric acid
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

7-sulfo-[1]naphthoic acid
861511-44-6

7-sulfo-[1]naphthoic acid

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-5,7-dibromo-naphthalene-2-sulfonic acid

8-amino-5,7-dibromo-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; bromine
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-5-nitro-naphthalene-2-sulfonic acid
6357-78-4

8-amino-5-nitro-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid; nitric acid
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-ethanesulfonyl-naphthalene-2-sulfonic acid amide
105905-81-5

8-ethanesulfonyl-naphthalene-2-sulfonic acid amide

Conditions
ConditionsYield
ueber 8-Aethylmercapto-naphthalin-2-sulfonsaeure-amid;
Multi-step reaction with 4 steps
1.1: potassium hydroxide; sulfuric acid; potassium nitrite / water / 0.75 h / 0 - 20 °C / Inert atmosphere
1.2: 3.08 h / 20 °C / Heating; Inert atmosphere
2.1: trichlorophosphate / 2 h / Reflux; Inert atmosphere
2.2: 20 °C / Cooling with ice; Inert atmosphere
3.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 24 h / 50 - 125 °C / Inert atmosphere
4.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
View Scheme
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

8-amino-5-nitroso-naphthalene-2-sulfonic acid

8-amino-5-nitroso-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

7-sulfo-naphthalene-1-diazonium-betaine

7-sulfo-naphthalene-1-diazonium-betaine

Conditions
ConditionsYield
With ethanol; nitrate radical
With sulfuric acid; sodium nitrite at 0℃; Kinetik der Bildung;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

acetic anhydride
108-24-7

acetic anhydride

8-acetylamino-naphthalene-2-sulfonic acid
118-37-6

8-acetylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With pyridine
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

p-toluidine
106-49-0

p-toluidine

8-p-toluidino-naphthalene-2-sulfonic acid
899-76-3

8-p-toluidino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With p-toluidine hydrochloride at 160 - 170℃;
2-diazo-1-(4-nitrophenyl)ethanone
4203-31-0

2-diazo-1-(4-nitrophenyl)ethanone

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

benzoyl chloride
98-88-4

benzoyl chloride

8-benzoylamino-naphthalene-2-sulfonic acid-(4-nitro-phenacyl ester)
102884-85-5

8-benzoylamino-naphthalene-2-sulfonic acid-(4-nitro-phenacyl ester)

Conditions
ConditionsYield
With copper dichloride
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

acetic acid
64-19-7

acetic acid

8-acetylamino-naphthalene-2-sulfonic acid
118-37-6

8-acetylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium acetate
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

aniline hydrochloride
142-04-1

aniline hydrochloride

aniline
62-53-3

aniline

8-anilino-1-naphthalenesulfonic acid
607-13-6

8-anilino-1-naphthalenesulfonic acid

Conditions
ConditionsYield
at 160 - 170℃;
8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

aniline
62-53-3

aniline

8-anilino-1-naphthalenesulfonic acid
607-13-6

8-anilino-1-naphthalenesulfonic acid

Conditions
ConditionsYield
With aniline hydrochloride at 160 - 170℃;

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