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

Name: 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
Brand: SIAL

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

UNSPSC Code:

12171500

NACRES:

NA.47

PubChem Substance ID:

24864776

EC Number:

204-147-3

Beilstein/REAXYS Number:

2697469

MDL number:

MFCD00004019

Assay:

≥90%

Form:

powder

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Properties

grade

ACS reagent

Quality Segment

200

assay

≥90%

form

powder

ign. residue

≤0.1%

mp

290 °C (dec.) (lit.)

anion traces

sulfate (SO₄^2-): ≤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

Description

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.

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This Item	08751	157031	A7782
Sigma-Aldrich 398969 4-Amino-3-hydroxy-1-naphthalenesulfonic acid	Supelco 08751 4-Amino-3-hydroxy-1-naphthalenesulfonic acid	Sigma-Aldrich 157031 3-Amino-4-methoxybenzenesulfonic acid	Sigma-Aldrich A7782 8-Amino-2-naphthalenesulfonic acid
assay ≥90%	assay ≥90.0% (CHN)	assay 98%	assay ≥97%
Quality Level 200	Quality Level 100	Quality Level 100	Quality Level 100
mp 290 °C (dec.) (lit.)	mp 290 °C (dec.) (lit.)	mp 305 °C (dec.) (lit.)	mp ≥300 °C (lit.)
form powder	form powder	form -	form powder
storage temp. room temp	storage temp. -	storage temp. -	storage temp. -
grade ACS reagent	grade -	grade -	grade -

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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