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398969

Sigma-Aldrich

4-Amino-3-hydroxy-1-naphthalenesulfonic acid

ACS reagent, ≥90%

Synonym(s):

1-Amino-2-naphthol-4-sulfonic acid

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About This Item

Linear Formula:
H2NC10H5(OH)SO3H
CAS Number:
116-63-2
Molecular Weight:
239.25
Beilstein/REAXYS Number:
2697469
EC Number:
204-147-3
MDL number:
MFCD00004019
UNSPSC Code:
12171500
PubChem Substance ID:
24864776
NACRES:
NA.47

grade

ACS reagent

Quality Level

200

assay

≥90%

form

powder

ign. residue

≤0.1%

mp

290 °C (dec.) (lit.)

anion traces

sulfate (SO42-): ≤0.2%

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Nc1c(O)cc(c2ccccc12)S(O)(=O)=O

InChI

1S/C10H9NO4S/c11-10-7-4-2-1-3-6(7)9(5-8(10)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)

InChI key

RXCMFQDTWCCLBL-UHFFFAOYSA-N

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General description

4-Amino-3-hydroxy-1-naphthalenesulfonic acid is a derivative of aniline consisting of a trifunctional monomer (bearing three functional groups –NH2, –OH and –SO3H). It also contains two fused benzene rings.

Application

4-Amino-3-hydroxy-1-naphthalenesulfonic acid has been used as a probe in a novel fluorescence assay for the determination of parathion-methyl.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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