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Merck
CN

250619

4-Amino-1-naphthalenesulfonic acid

97%

Synonym(s):

1-Naphthylamine-4-sulfonic acid, Naphthionic acid

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About This Item

Linear Formula:
H2NC10H6SO3H
CAS Number:
Molecular Weight:
223.25
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-567-9
Beilstein/REAXYS Number:
1971299
MDL number:
Assay:
97%
Form:
powder
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Quality Segment

assay

97%

form

powder

mp

≥300 °C (lit.)

solubility

water: very slightly soluble(lit.)

functional group

sulfonic acid

SMILES string

Nc1ccc(c2ccccc12)S(O)(=O)=O

InChI

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

InChI key

NRZRRZAVMCAKEP-UHFFFAOYSA-N

General description

4-Amino-1-naphthalenesulfonic acid is a diazo compound. It is also known as Piria′s acid.

Application

4-Amino-1-naphthalenesulfonic acid has potent therapeutic applications. Its sodium salt has been used as non-toxic hemostatic.


Hazard Classifications

Skin Corr. 1B

pictograms

Corrosion

signalword

Danger

hcodes

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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