H acid

HCID 178761894CAS 90432-04-5
Substructure searchFind similar structures

Basic information

Standard SMILES
Nc1cc(S(=O)(=O)O)cc2cc(S(=O)(=O)O)cc(O)c12
InChIKey
APRRQJCCBSJQOQ-UHFFFAOYSA-N
Molecular formula
C10H9NO7S2
Average molar mass
319.3 g/mol

Overview

dye and found in industrial waste

Names & identifiers

Preferred name
H acid
IUPAC
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
English name
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 4-aminobenzenesulfonic acid, diazotized aniline and resorcinol
Molecular formula
C10H9NO7S2
Molecular weight
319.31096

Names & synonyms

90-20-04-Amino-5-hydroxy-2,7-naphthalenedisulfonic acidH acid2,7-NAPHTHALENEDISULFONIC ACID, 4-AMINO-5-HYDROXY-1-Amino-8-naphthol-3,6-disulfonic acid1-Naphthol-8-amino-3,6-disulfonic acidC.I. 355704WUM31ES4USULFONPHTHOLNSC-190492RefChem:4350271-amino-8-nephthol-2, 2'-disulfonic acid
Show more names
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 4-aminobenzenesulfonic acid, diazotized aniline and resorcinol
201-975-74-amino-5-hydroxynaphthalene-2,7-disulfonic acidH-Acid1-Amino-8-hydroxynaphthalene-3,6-disulphonic acidKyselina HMFCD000357284-amino-5-hydroxy-naphthalene-2,7-disulfonic acidCHEMBL60494

Database identifiers

CAS
90432-04-5
ChEMBL
CHEMBL60494
UNII
4WUM31ES4U
EC Number
201-975-7、291-627-0、291-630-7、308-556-9
Nikkaji
J3.554H

Properties

Computed structural properties

XLogP
0.2
Topological polar surface area
172 Ų
Hydrogen bond donors
4
Hydrogen bond acceptors
8
Rotatable bonds
2
Heavy atoms
20

Experimental & physicochemical properties

Physical DescriptionDry Powder

Safety & regulation

GHS classification

GHS Classification · 6 items

This chemical does not meet GHS hazard criteria for 1.3% (2 of 150) of reports.

Danger

H302+H332 (69.3%): Harmful if swallowed or if inhaled [Warning Acute toxicity, oral; acute toxicity, inhalation]

P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 150 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Not Classified

Hazard information

Regulatory Information · 5 items

Chemical: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-

Chemical: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid, diazotized 4-nitrobenzenamine and resorcinol, potassium sodium salts

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2,7-Naphthalenedisulfonic acid, 4-amino-5-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: 13-03-2013 https://echa.europa.eu/registration-dossier/-/registered-dossier/11150

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 2-(4-aminophenyl)amino-5-nitrobenzenesulfonic acid, diazotized 4-nitrobenzenamine and resorcinol, potassium sodium salts: 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.

Other Safety Information · 1 item

IMAP assessments - 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid, diazotized 4-nitrobenzenamine and resorcinol, potassium sodium salts: Human health tier I assessment

Hazard Classes and CategoriesAcute Tox. 4 (69.3%)

Chemistry & industry

Uses & manufacturing

U.S. Production2023: 67,929 lb
General Manufacturing Information2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-: ACTIVE

Related reactions

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