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291137

2-Amino-1-naphthalenesulfonic acid

Name: 2-Amino-1-naphthalenesulfonic acid
Brand: ALDRICH

98%

Synonym(s):

2-Naphthylamine-1-sulfonic acid, Tobias acid

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About This Item

Linear Formula:

H₂NC₁₀H₆SO₃H

CAS Number:

81-16-3

Molecular Weight:

223.25

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24857514

EC Number:

201-331-5

Beilstein/REAXYS Number:

613084

MDL number:

MFCD00003988

Assay:

98%

Form:

solid

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Properties

assay

98%

form

solid

SMILES string

Nc1ccc2ccccc2c1S(O)(=O)=O

InChI

1S/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)

InChI key

GWIAAIUASRVOIA-UHFFFAOYSA-N

Description

General description

2-Amino-1-naphthalenesulfonic acid is a manufacturing intermediate in the monosulfo monoazo color additive D&C Red No. 34 and its lakes.

Application

2-Amino-1-naphthalenesulfonic acid has been used in the preparation of 2-(2-naphthylamino)benzoxazole by reacting with 2-chlorobenzoxazole.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Lymphocyte reactivity of workers exposed to carcinogenic and non-carcinogenic chemicals.

S Kumar et al.

British journal of industrial medicine, 38(2), 167-169 (1981-05-01)

Immunological studies have shown an increased lymphocyte reactivity in patients with early stage bladder cancer and individuals with pre-stage T1 exposed to bladder carcinogens (2-naphthylamine and industrial 1-naphthylamine containing 4-8% 2-naphthylamine) before 1952-that is, those at high risk of developing

Inclusion complex of 2-naphthylamine-6-sulfonate with beta-cyclodextrin: intramolecular charge transfer versus hydrogen bonding effects.

Ayman Ayoub Abdel-Shafi

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 66(4-5), 1228-1236 (2006-09-05)

The photophysical characteristics of the ground and excited states of 2-naphthylamine-6-sulfonate (2-NA-6-S) were investigated in different solvents and in beta-cyclodextrin (beta-CD). The spectral shifts are well correlated with Kamlet-Taft relationship. Multiple linear regression analysis indicated that both non-specific dipolar interaction

Non-carcinogenicity in mice of a sulfonic acid derivative of 2-naphthylamine.

G Della Porta et al.

Carcinogenesis, 3(6), 647-649 (1982-01-01)

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Global Trade Item Number

SKU	GTIN
291137-250G	04061826553367