Skip to Content
MilliporeSigma
All Photos(2)

Key Documents

398969

Sigma-Aldrich

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

ACS reagent, ≥90%

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
H2NC10H5(OH)SO3H
CAS Number:
Molecular Weight:
239.25
Beilstein/REAXYS Number:
2697469
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

grade

ACS reagent

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

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)


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service