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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

2-Aminophenol-4-sulfonic acid Manufacturer/High quality/Best price/In stock

Cas:98-37-3

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 3-amino-4-hydroxybenzenesulphonic acid

Cas:98-37-3

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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The packag

2-Aminophenol-4-sulfonic acid CAS:98-37-3

Cas:98-37-3

Min.Order:1 Kilogram

FOB Price: $1.5 / 2.5

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 98-37-3 with best quality

Cas:98-37-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Factory Supply High Quality CAS 98-37-3 ,2-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name 2-Aminophenol-4-sulfonic acid Synonyms 2-Aminophenol-4-sulfonic acid;3-Amino-4-hydroxybenzenesulfonic acid CAS: 98-37-3 MF: - MW:

2-Aminophenol-4-sulfonic acid CAS: 98-37-3

Cas:98-37-3

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Orange to Amber to Dark red powder Storage:room temperature Package:25kg/drum Application: 3-Amino-4-hydroxybenzenesulfonic acid can be used to synthesize various heterocyclic Schiff bases for imaging applications. 3-Amino-4-hydroxybenze

2-Aminophenol-4-sulfonic acid factory price

Cas:98-37-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Benzenesulfonic acid,3-amino-4-hydroxy-

Cas:98-37-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 s

Benzenesulfonic acid,3-amino-4-hydroxy-

Cas:98-37-3

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

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

Benzenesulfonic acid,3-amino-4-hydroxy-

Cas:98-37-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda

2-Aminophenol-4-sulfonic acid 98-37-3

Cas:98-37-3

Min.Order:1 Kilogram

FOB Price: $10.0

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-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2-Aminophenol-4-Sulfonic Acid CAS No.: 98-37-3 Molecule Formula:C6H7NO4S Molecule Weight:189.19 Purity: 90.0% Package: 25kg/drum Description:Brown crystalline powder Manufacture Standards:Enterprise Standard

Lower Price 2-Aminophenol-4-Sulfonic Acid

Cas:98-37-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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-Aminophenol-4-sulfonic acid 98-37-3

Cas:98-37-3

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2-Aminophenol-4-sulfonicacid

Cas:98-37-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

Benzenesulfonic acid,3-amino-4-hydroxy-

Cas:98-37-3

Min.Order:0

Negotiable

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

3-Amino-4-hydroxybenzenesulfonic acid

Cas:98-37-3

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

stable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate Transportation:By air or By sea

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

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 3-Amino-4-hydroxybenzenesulfonic acid 2.5kg

Cas:98-37-3

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

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

3-Amino-4-hydroxybenzenesulfonic acid

Cas:98-37-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Jiangsu Glory Chemical Co., Ltd.

Insoluble:0.2%max.Appearance:Brown crystals powder

2-Aminophenol-4-sulfonic acid

Cas:98-37-3

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

3-AMino-4-hydroxybenzenesulfonic acid

Cas:98-37-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

3-nitro-4-chlorobenzenesulfonic acid
121-18-6

3-nitro-4-chlorobenzenesulfonic acid

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

Conditions
ConditionsYield
With sodium hydrogensulfite
4-hydroxy-3-nitrobenzene sulfonic acid
616-85-3

4-hydroxy-3-nitrobenzene sulfonic acid

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; tin
With sodium sulfide
2-amino-phenol
95-55-6

2-amino-phenol

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid
3-nitro-4-hydroxy-benzene-sulfonic acid-(1)

3-nitro-4-hydroxy-benzene-sulfonic acid-(1)

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

Conditions
ConditionsYield
With sodium sulfide; sodium hydroxide
sulfuric acid
7664-93-9

sulfuric acid

2-amino-phenol
95-55-6

2-amino-phenol

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

disodium-salt of/the/ 3-nitro-4-hydroxy-benzene-sulfonic acid-(1)

disodium-salt of/the/ 3-nitro-4-hydroxy-benzene-sulfonic acid-(1)

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

Conditions
ConditionsYield
With water; nickel at 70 - 100℃; Hydrogenation;
3-nitro-4-chlorobenzenesulfonic acid
121-18-6

3-nitro-4-chlorobenzenesulfonic acid

sodium hydrogensulfite

sodium hydrogensulfite

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

acetic anhydride
108-24-7

acetic anhydride

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

3-acetamido-4-acetoxybenzenesulfonic acid
123687-02-5

3-acetamido-4-acetoxybenzenesulfonic acid

Conditions
ConditionsYield
With sulfuric acid In methanol for 4h; Reflux;97%
With sulfuric acid In methanol for 4h; Reflux;97%
With pyridine
benzoyl chloride
98-88-4

benzoyl chloride

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

3-benzoylamino-4-hydroxy-benzenesulfonic acid
23117-22-8

3-benzoylamino-4-hydroxy-benzenesulfonic acid

Conditions
ConditionsYield
In water96.3%
2-(trifluoromethyl)phenol
444-30-4

2-(trifluoromethyl)phenol

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-(2-hydroxyphenyl)benzo[d]oxazole-5-sulfonic acid
1276122-50-9

2-(2-hydroxyphenyl)benzo[d]oxazole-5-sulfonic acid

Conditions
ConditionsYield
With sodium hydroxide In water at 80℃; for 2h;92%
acetoacetamido
5977-14-0

acetoacetamido

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

[Na(μ-1κO1,2κO2-((Z)-3-(2-(1-amino-1,3-dioxobutan-2-ylidene)hydrazineyl)-4-hydroxybenzenesulfonate))(H2O)3]2

[Na(μ-1κO1,2κO2-((Z)-3-(2-(1-amino-1,3-dioxobutan-2-ylidene)hydrazineyl)-4-hydroxybenzenesulfonate))(H2O)3]2

Conditions
ConditionsYield
Stage #1: 2-aminophenol-4-sulfonic acid With water; sodium hydroxide; sodium nitrite at 0 - 5℃; for 0.0833333h;
Stage #2: With hydrogenchloride; water at 0 - 5℃; for 0.5h;
Stage #3: acetoacetamido With water; sodium acetate; sodium hydroxide In ethanol for 1h;
86%
2-amino-3-methylphenol
2835-97-4

2-amino-3-methylphenol

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

C13H10N2O5S

C13H10N2O5S

Conditions
ConditionsYield
With 3,4,5-trihydroxybenzoic acid; cobalt(II) acetate; sodium hydroxide In water at 25℃; under 3000.3 Torr; for 36h;84%
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

3-methylbenzene-1,2-diol
488-17-5

3-methylbenzene-1,2-diol

2-hydroxy-4-methyl-3-oxo-3H-phenoxazine-8-sulfonic acid

2-hydroxy-4-methyl-3-oxo-3H-phenoxazine-8-sulfonic acid

Conditions
ConditionsYield
With 3,4,5-trihydroxybenzoic acid; oxygen; manganese(II) acetate; sodium hydroxide In water at 25℃; under 2250.23 Torr; for 0.416667h; pH=10; Sonication; Autoclave; Green chemistry; regioselective reaction;72%
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

4-benzoyl-1,5-diphenyl-1H-3-pyrazole carboxylic acid chloride
188724-74-5

4-benzoyl-1,5-diphenyl-1H-3-pyrazole carboxylic acid chloride

2-{[(4-benzoyl-1,5-diphenyl-1H-pyrazol-3-yl)carbonyl]amino}phenyl-4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylate

2-{[(4-benzoyl-1,5-diphenyl-1H-pyrazol-3-yl)carbonyl]amino}phenyl-4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylate

Conditions
ConditionsYield
With triethylamine In benzene for 10h; Heating;65%
4-chloro-benzoyl chloride
122-01-0

4-chloro-benzoyl chloride

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-(4-chlorophenyl)benzo[d]oxazole-5-sulfonic acid

2-(4-chlorophenyl)benzo[d]oxazole-5-sulfonic acid

Conditions
ConditionsYield
Stage #1: 4-chloro-benzoyl chloride; 2-aminophenol-4-sulfonic acid at 180℃; for 14h;
Stage #2: With thionyl chloride In chloroform Reflux;
55%
5-Aminosalicylic Acid
89-57-6

5-Aminosalicylic Acid

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-(5-amino-2-hydroxyphenyl)benzo[d]oxazole-5-sulfonic acid

2-(5-amino-2-hydroxyphenyl)benzo[d]oxazole-5-sulfonic acid

Conditions
ConditionsYield
With polyphosphoric acid at 140 - 180℃;54%
2,3-dihydroxybenzonitrile
67984-81-0

2,3-dihydroxybenzonitrile

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-hydroxy-3-oxo-8-sulfo-3H-phenoxazine-4-carboxylic acid

2-hydroxy-3-oxo-8-sulfo-3H-phenoxazine-4-carboxylic acid

Conditions
ConditionsYield
With 3,4,5-trihydroxybenzoic acid; water; oxygen; manganese(II) acetate; sodium hydroxide at 25℃; under 2250.23 Torr; for 0.916667h; pH=10; Sonication; Autoclave; Green chemistry; regioselective reaction;52%
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-hydroxyresorcinol
87-66-1

2-hydroxyresorcinol

2,3,4,6'-tetrahydroxy-3'-sulfoazobenzene
1367626-03-6

2,3,4,6'-tetrahydroxy-3'-sulfoazobenzene

Conditions
ConditionsYield
Stage #1: 2-aminophenol-4-sulfonic acid With hydrogenchloride In water at 0℃;
Stage #2: With sodium nitrite In water at 0℃; for 2.5h;
Stage #3: 2-hydroxyresorcinol With hydrogenchloride In water at 0℃; for 2.5h; pH=3;
47.8%
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

acrolein
107-02-8

acrolein

8-quinolinol-5-sulfonic acid
84-88-8

8-quinolinol-5-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride In water at 100℃; for 1h; Skraup Quinoline Synthesis; Inert atmosphere;39%
2-hydroxy-N-phenylnaphthalene-1-carboxamide
16670-63-6

2-hydroxy-N-phenylnaphthalene-1-carboxamide

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

C23H16N3O6S(1-)*Na(1+)
1314111-39-1

C23H16N3O6S(1-)*Na(1+)

Conditions
ConditionsYield
Stage #1: 2-aminophenol-4-sulfonic acid With hydrogenchloride; sodium nitrite In water at -2 - 2℃;
Stage #2: 2-hydroxy-N-phenylnaphthalene-1-carboxamide With sodium carbonate In water at 5 - 10℃; for 2h;
35.4%
Stage #1: 2-aminophenol-4-sulfonic acid With hydrogenchloride; sodium nitrite In water at -2 - 2℃; for 0.166667h;
Stage #2: 2-hydroxy-N-phenylnaphthalene-1-carboxamide With sodium carbonate In water at 5 - 10℃; for 2h;
35%
2,3-oxynaphthoic acid phenylamide
92-77-3

2,3-oxynaphthoic acid phenylamide

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

C26H20N3O7S(1-)

C26H20N3O7S(1-)

Conditions
ConditionsYield
Stage #1: 2-aminophenol-4-sulfonic acid With hydrogenchloride; sodium nitrite In water at -2 - 2℃; for 0.166667h;
Stage #2: 2,3-oxynaphthoic acid phenylamide With sodium carbonate In water at 5 - 10℃; for 2h;
35.4%
oxiranyl-methanol
556-52-5

oxiranyl-methanol

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

3-(2,3-dihydroxy-propylamino)-4-hydroxy-benzenesulfonic acid

3-(2,3-dihydroxy-propylamino)-4-hydroxy-benzenesulfonic acid

Conditions
ConditionsYield
With sodium hydroxide
2-chloro-3,5-dinitro-benzenesulfonic acid
4515-26-8

2-chloro-3,5-dinitro-benzenesulfonic acid

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

4'-hydroxy-3,5-dinitro-2,3'-imino-bis-benzenesulfonic acid

4'-hydroxy-3,5-dinitro-2,3'-imino-bis-benzenesulfonic acid

potassium thioacyanate
333-20-0

potassium thioacyanate

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-thioxo-2,3-dihydro-benzoxazole-5-sulfonic acid
58089-26-2

2-thioxo-2,3-dihydro-benzoxazole-5-sulfonic acid

Conditions
ConditionsYield
With water anschliessend Erhitzen auf 150grad;
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

1-chloro-2,4-dinitro-benzene
97-00-7

1-chloro-2,4-dinitro-benzene

3-(2,4-dinitro-anilino)-4-hydroxy-benzenesulfonic acid

3-(2,4-dinitro-anilino)-4-hydroxy-benzenesulfonic acid

Conditions
ConditionsYield
With sodium carbonate
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

m-nitrobenzoic acid chloride
121-90-4

m-nitrobenzoic acid chloride

3-(3-amino-benzoylamino)-4-hydroxy-benzenesulfonic acid

3-(3-amino-benzoylamino)-4-hydroxy-benzenesulfonic acid

Conditions
ConditionsYield
nachfolgend Reduktion;
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-hydroxy-5-sulfo-benzenediazonium-betaine
391859-81-7

2-hydroxy-5-sulfo-benzenediazonium-betaine

Conditions
ConditionsYield
Diazotization;
With water; cis-nitrous acid
With nitrous anhydride
With water; nitrous anhydride
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-oxo-2,3-dihydro-benzoxazole-5-sulfonic acid
33943-12-3

2-oxo-2,3-dihydro-benzoxazole-5-sulfonic acid

Conditions
ConditionsYield
With sodium hydroxide
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-hydroxy-3-nitroaniline-5-sulfonic acid
96-93-5

2-hydroxy-3-nitroaniline-5-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 0 - 3℃;
2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-amino-1-hydroxybenzene-4-sulphonic acid-N-phenylamide
80-20-6

2-amino-1-hydroxybenzene-4-sulphonic acid-N-phenylamide

Conditions
ConditionsYield
With phosphorus pentachloride Hinzufuegen von Anilin zu dem Reaktionsprodukt;
phenylglyoxylic acid ethyl ester
1603-79-8

phenylglyoxylic acid ethyl ester

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

2-oxo-3-phenyl-2H-benzo[1,4]oxazine-6-sulfonic acid
10502-39-3

2-oxo-3-phenyl-2H-benzo[1,4]oxazine-6-sulfonic acid

Conditions
ConditionsYield
With ammonium hydroxide In ethanol
1-hydroxy-4-naphthalenesulfonate
84-87-7

1-hydroxy-4-naphthalenesulfonate

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

C16H10N2O8S2(2-)*2Na(1+)
132281-56-2

C16H10N2O8S2(2-)*2Na(1+)

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium carbonate; sodium chloride; sodium nitrite Multistep reaction;
sodium resorcinol-4-sulphonate
53819-36-6

sodium resorcinol-4-sulphonate

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

C12H8N2O9S2(2-)*2Na(1+)
132281-49-3

C12H8N2O9S2(2-)*2Na(1+)

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium carbonate; sodium chloride; sodium nitrite Multistep reaction;
sodium 2-methylresorcinol-4-sulphonate
132281-58-4

sodium 2-methylresorcinol-4-sulphonate

2-aminophenol-4-sulfonic acid
98-37-3

2-aminophenol-4-sulfonic acid

C13H10N2O9S2(2-)*2Na(1+)
132281-51-7

C13H10N2O9S2(2-)*2Na(1+)

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium carbonate; sodium chloride; sodium nitrite 1b) 0 to 5 deg C, 2) 6 to 8 deg C, 1 d; Multistep reaction;

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