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285072

Sigma-Aldrich

5-Amino-2-naphthalenesulfonic acid

≥95%

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Synonym(s):
1-Amino-6-naphthalenesulfonic acid, 1-Amino-6-sulfonaphthalene, 1-Naphthylamine-6-sulfonic acid, 5-Naphthylamine-2-sulfonic acid, 6-Sulfo-1-naphthylamine
Linear Formula:
H2NC10H6SO3H
CAS Number:
Molecular Weight:
223.25
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥95%

form

solid

solubility

soluble 100 mg/mL, clear, brown (1N NH4OH)

SMILES string

Nc1cccc2cc(ccc12)S(O)(=O)=O

InChI

1S/C10H9NO3S/c11-10-3-1-2-7-6-8(15(12,13)14)4-5-9(7)10/h1-6H,11H2,(H,12,13,14)

InChI key

UWPJYQYRSWYIGZ-UHFFFAOYSA-N

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General description

The crystal structure of 5-amino-2-naphthalenesulfonic acid (1,6-Cleve′s acid) depicted the presence of a sulfonate-aminium group zwitterion.

Application

5-Amino-2-naphthalenesulfonic acid (1,6-Cleve′s acid) was used in the synthesis of nitrate reductase and detection of nitrate reduction by anaerobic bacteria.

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

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Smith G, et al.
Acta Crystallographica Section E, Structure Reports Online, 60(11), o2014-o2016 (2004)
P A Wideman et al.
Journal of clinical microbiology, 5(3), 315-319 (1977-03-01)
The laboratory and clinical evaluation of a potassium nitrate-saturated disk for the rapid detection of nitrate reductase production in anaerobes was investigated. The optimal disk concentration and incubation time were determined by utilizing triplicate sets of quadrant plates prepared with
A S Rodrigues et al.
Chemosphere, 205, 433-442 (2018-05-01)
The electrodegradation of the 4-aminonaphthalene-1-sulfonic acid (4AN1S), 5-aminonaphthalene-2-sulfonic acid (5AN2S) and 8-aminonaphthalene-2-sulfonic acid (8AN2S) was studied, using two electrode materials as anode, BDD and Ti/Pt/PbO2, and two different electrolytes, sodium sulfate and sodium chloride. The highest COD removal rates were

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