Skip to Content
Merck
CN

Key Documents

View All Documentation

398969

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

ACS reagent, ≥90%

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

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
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

ACS reagent

Quality Segment

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

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.

Still not finding the right product?

Explore all of our products under 4-Amino-3-hydroxy-1-naphthalenesulfonic acid

Storage Class

11 - Combustible Solids

wgk

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.

Search for a COA

Already Own This Product?

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

Visit the Document Library