4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid

Product Name: 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid
CAS No.: 22346-43-6
Chemical Name: 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid
Synonyms: N-METHYL J ACID;2-(N-Methylamino)-5-naphthol-7-sulfonic acid;6-[N-METHYLAMINO]-1-NAPHTHOL-3-SULFONIC ACID;5-Hydroxy-2-methylamino-7-naphthalenesulfonic acid;4-HYDROXY-7-METHYLAMINO-2-NAPHTHALENESULFONIC ACID;4 HYDROXY 7 METHYL AMINO NAPHTHALENE 2 SULFONIC ACID;7-Amino-4-hydroxy-N-methyl-2-naphthalenesulfonic acid;4-hydroxy-7-(methylamino)naphthalene-2-sulphonic acid;2-Naphthalenesulfonic acid, 4-hydroxy-7-(methylamino)-;2-(N-methylamino)-5-hydroxynaphthalene-7-sulfonic acid
CBNumber: CB4306340
Molecular Formula: C11H11NO4S
Formula Weight: 253.27
MOL File: 22346-43-6.mol

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4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Property

Density: 1.542
refractive index: 1.4790 (estimate)
storage temp.: 2-8°C
form: crystalline powder
pka: -0.14±0.40(Predicted)
color: Very dark brown
CAS DataBase Reference: 22346-43-6(CAS DataBase Reference)
EPA Substance Registry System: 2-Naphthalenesulfonic acid, 4-hydroxy-7-(methylamino)- (22346-43-6)

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Safety

HS Code: 2930909899

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: H972413
Product name: 4-Hydroxy-7-methylamino-2-naphthalenesulfonicacid
Packaging: 1g
Price: $75
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0165602
Product name: 4-HYDROXY-7-METHYLAMINO-2-NAPHTHALENESULFONIC ACID
Purity: 95.00%
Packaging: 5MG
Price: $504.59
Updated: 2021/12/16

AK Scientific

Product number: F504
Product name: 4-Hydroxy-7-methylamino-2-naphthalenesulfonicacid
Packaging: 25g
Price: $804
Updated: 2021/12/16

Chemenu

Product number: CM139912
Product name: 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonicacid
Purity: 97%
Packaging: 25g
Price: $284
Updated: 2021/12/16

Crysdot

Product number: CD12094594
Product name: 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonicacid
Purity: 97%
Packaging: 25g
Price: $301
Updated: 2021/12/16

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4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Chemical Properties,Usage,Production

Chemical Properties

4-Hydroxy-7-methylaminonaphthalene-2- sulfonic acid [22346-43-6], N-methyl J acid, is produced by reaction of 2,5-dihydroxynaphthalene-7-sulfonic acid with methylamine and aqueous sodium bisulfite at 96 C for 36 h (yield 83 %). It is used to produce C.I. Reactive Orange 4, C.I. Reactive Orange 13, and C.I. Reactive Red 33.

4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Suppliers

China 58 Czech Republic 1 Germany 1 India 16 Japan 1 Singapore 1 United Kingdom 3 United States 7 Global 88

Shanghai Witofly Chemical Co. ,Ltd.

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Aikon International Limited

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Conier Chem & Pharma Limited

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View Lastest Price from 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid manufacturers

Career Henan Chemical Co

Product: 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid 22346-43-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: Min98% HPLC
Supply Ability: g/kg/ton
Release date: 2020-01-30

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4-HYDROXY-7-METHYLAMINO-2-NAPHTHALENESULFONIC ACID

4 HYDROXY 7 METHYL AMINO NAPHTHALENE 2 SULFONIC ACID

6-[N-METHYLAMINO]-1-NAPHTHOL-3-SULFONIC ACID

N-METHYL J ACID

4-hydroxy-7-(methylamino)naphthalene-2-sulphonic acid

7-Amino-4-hydroxy-N-methyl-2-naphthalenesulfonic acid

2-(N-Methylamino)-5-naphthol-7-sulfonic acid

5-Hydroxy-2-methylamino-7-naphthalenesulfonic acid

2-(N-methylamino)-5-hydroxynaphthalene-7-sulfonic acid

2-Naphthalenesulfonic acid, 4-hydroxy-7-(methylamino)-

TIANFU-CHEM 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid

22346-43-6