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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)

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