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08800

Sigma-Aldrich

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

technical, ≥90% (T)

Synonym(s):

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

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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

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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

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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
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
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
Kojiro Michitaka et al.
Internal medicine (Tokyo, Japan), 59(22), 2825-2830 (2020-11-17)
Objective There is a paucity of information on whether the hepatitis B virus (HBV) vaccine, derived from HBV genotype C, can prevent mother-to-child transmission of HBV genotype D. The aim of this study was to clarify this issue. Methods The
Kyle K Biggar et al.
Gene, 544(1), 67-74 (2014-04-29)
Recent research has highlighted roles for non-coding RNA i7n the regulation of stress tolerance in bats. In this study, we propose that microRNA could also play an important role in neuronal maintenance during hibernation. To explore this possibility, RT-PCR was

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