Skip to Content
Merck
All Photos(1)

Key Documents

08800

Sigma-Aldrich

7-Amino-4-hydroxy-2-naphthalenesulfonic acid

technical, ≥90% (T)

Synonym(s):

6-Amino-1-naphthol-3-sulfonic acid, I-Acid

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C10H9NO4S
CAS Number:
Molecular Weight:
239.25
Beilstein:
2217192
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

grade

technical

Quality Level

Assay

≥90% (T)

form

powder

SMILES string

Nc1ccc2c(O)cc(cc2c1)S(O)(=O)=O

InChI

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

InChI key

KYARBIJYVGJZLB-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

Idil Arslan-Alaton et al.
Chemosphere, 76(5), 587-594 (2009-06-02)
H2O2/UV-C treatment of four commercially important aryl sulfonates (naphthalene sulfonic acids H-acid, K-acid, J-acid and benzene sulfonic acid Para base) in aqueous solutions was investigated. Photodegradation kinetics was followed in terms of changes brought about in the parent compound concentration
Tatyana Kushner et al.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 71(3), 586-592 (2019-09-11)
The current opioid injection drug use epidemic has been associated with an increase in hepatitis C virus infections among women of childbearing age in the United States, but changes in hepatitis B virus (HBV) infections have not been studied. A
A case of psoriatic arthritis triggered by SARS-CoV-2 infection.
Lucia Novelli et al.
Rheumatology (Oxford, England), 60(1), e21-e23 (2020-11-19)
T Kumasaka et al.
The Journal of clinical investigation, 97(10), 2362-2369 (1996-05-15)
This study examined the effectiveness of antisense oligonucleotides targeted to intercellular adhesion molecule-1 (ICAM-1) to inhibit endotoxin-induced upregulation of ICAM-1 and neutrophil emigration and compared the apparent role of ICAM-1 when examined using antisense oligonucleotides, anti-ICAM-1 antibodies, and ICAM-1 mutant
F M Fusco et al.
The Journal of hospital infection, 105(4), 596-600 (2020-06-23)
A coronavirus disease 2019 (COVID-19) surveillance study was performed in March-April 2020 among asymptomatic healthcare workers (HCWs) at a specialist infectious diseases hospital in Naples, Italy. All HCWs underwent two rounds of molecular and serological testing for severe acute respiratory

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