1-Aminonaphthalene-6-sulfonic acid

1-Aminonaphthalene-6-sulfonic acid Basic information

Product Name:	1-Aminonaphthalene-6-sulfonic acid
Synonyms:	1,6-Cleves Acid~1-Naphthylamine-6-sulphonic acid;5-AMINO-2-NAPHTHALENESULPHONICACID;1-NAPHTHYLAMINE-6-SULPHONICACID;5-Amino-naphthalin-2-sulfonsure;5-AMino-2-naphthalenesulfonic Acid, ~90%;6-Sulfo-1-naphthylaMine;NSC 31506;NSC 4984
CAS:	119-79-9
MF:	C10H9NO3S
MW:	223.25
EINECS:	204-351-2
Product Categories:	Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;Amines;Aromatics;Fluorescent Labels & Indicators;Organics;Intermediates of Dyes and Pigments
Mol File:	119-79-9.mol

1-Aminonaphthalene-6-sulfonic acid Chemical Properties

Melting point	>300°C
density	1.3588 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.6500 (estimate)
storage temp.	Refrigerator
solubility	soluble100mg/mL, clear, brown (1N NH4OH)
form	Solid
pka	pK1: 3.80 (25°C)
color	Purple
Water Solubility	1g/L(16 ºC)
Merck	14,2350
BRN	1819887
Dissociation constant	0 at 39℃
CAS DataBase Reference	119-79-9(CAS DataBase Reference)
NIST Chemistry Reference	1-Naphthylamine-6-sulfonic acid(119-79-9)
EPA Substance Registry System	2-Naphthalenesulfonic acid, 5-amino- (119-79-9)

Safety Information

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

1-Aminonaphthalene-6-sulfonic acid Usage And Synthesis

Chemical Properties	Purple Solid
Uses	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.
Uses	Fluorescent reagent.
Uses	Intermediate of dyestuff
Definition	ChEBI: 5-aminonaphthalene-2-sulfonic acid is an aminonaphthalenesulfonic acid.
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.

1-Aminonaphthalene-6-sulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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