ChemicalBook > CAS DataBase List > 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid

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 62 Czech Republic 1 Germany 1 India 16 Japan 1 Singapore 1 United Kingdom 3 United States 7 Global 92
Synthesia, a.s.
Tel
--
Fax
--
Email
synthesia@synthesia.cz
Country
Czech Republic
ProdList
264
Advantage
77
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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

22346-43-6, 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acidRelated Search:

Sulfanilic acid Nickel bis(sulphamidate) 4-(Trifluoromethyl)cinnamic acid Ethyl 4-methylcinnamate 1,3-Dimethylbarbituric acid 4-Amino-benzenesulfonic acid monosodium salt Naphthalene-2-sulfonic acid Taurine Diethyl methylmalonate Molasses Sulfamic acid 3,3-Dimethyl-2-oxobutyric acid CHLOROPHOSPHONAZO III 2-Methylpropanedioic acid CHLORANTINE FAST RED 5B Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate) 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid DIRECT RED 80

  • 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