2-Amino-8-hydroxynaphthalene-6-sulfonic acid

HCID 178801229CAS 90459-20-4
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Basic information

Standard SMILES
Nc1ccc2cc(S(=O)(=O)O)cc(O)c2c1
InChIKey
HBZVNWNSRNTWPS-UHFFFAOYSA-N
Molecular formula
C10H9NO4S
Average molar mass
239.25 g/mol

Names & identifiers

Preferred name
2-Amino-8-hydroxynaphthalene-6-sulfonic acid
IUPAC
6-amino-4-hydroxynaphthalene-2-sulfonic acid
English name
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-, diazotized, coupled with 2,4-diaminobenzenesulfonic acid, diazotized 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid and m-phenylenediamine, sodium salts
Molecular formula
C10H9NO4S
Molecular weight
239.24776

Names & synonyms

90-51-76-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACIDGamma Acid6-amino-4-hydroxynaphthalene-2-sulfonic acid2-Amino-8-naphthol-6-sulfonic AcidC.I. Developer 3gamma-Acid7-Amino-1-naphthol-3-sulfonic acid2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-Y acid.gamma.-AcidAminonaphthol sulfonic acid gamma
Show more names
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-, diazotized, coupled with 2,4-diaminobenzenesulfonic acid, diazotized 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid and m-phenylenediamine, sodium salts
2-amino-8-hydroxynaphthalene-6-sulfonic acidDTXSID00265471-Naphthol-3-sulfonic acid, 7-amino-EINECS 202-000-8NSC 31508BRN 18212830PLB93P56XAI3-19502

Database identifiers

CAS
90459-20-4
ChEMBL
CHEMBL3087995
UNII
0PLB93P56X
EC Number
202-000-8、291-654-8
Nikkaji
J4.321D

Properties

Computed structural properties

XLogP
-0.9
Topological polar surface area
109 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
5
Rotatable bonds
1
Heavy atoms
16

Experimental & physicochemical properties

Physical DescriptionDry Powder

Safety & regulation

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 5.2% (113 of 2181) of reports.

Danger

H314 (94.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 2181 reports by companies from 9 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 3 items

2-Naphthalenesulfonic acid, 6-amino-4-hydroxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 06-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/10209

2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Hazard Classes and CategoriesSkin Corr. 1B (94.4%)

Chemistry & industry

Uses & manufacturing

U.S. Production2022: 65,962 lb
Industry UsesIntermediate
General Manufacturing Information · 2 items

Synthetic Dye and Pigment Manufacturing

2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-: ACTIVE

Related reactions

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