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Tianjin Yadong Chemical Co.,Ltd.
Tianjin Yadong Chemical Co.,Ltd.
36 YRS
Tianjin, China
Main Products:
2-(4-Aminophenyl)Sulfonylethyl Hydrogen Sulfate / Direct Red F2G / Direct Red 23 / Direct Red 227 / 7-Aminonaphthalene-1,3,6-Trisulfonic Acid / 1-Amino-8-Hydroxynaphthalene-3,6-Disulphonic Acid / 2-Naphthol / Metanilic Acid
Tianjin, China
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Metanilic Acid / CAS 121-47-1
OVERVIEW
Uses
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
Metanilic Acid
English Name: Metanilic Acid
CAS No.: 121-47-1
Molecular formula: C6H7NO3S
Molecular weight: 173.19
EINECS No.: 204-473-6
Melting point: > 300 ° C (lit.)
Density: 1.69
Uses: used in the manufacture of azo dyes, sulfur dyes, acid dyes and vanillin
Typical Properties
Summary
Metanilic acid is an isomer of sulfanilic acid with the sulfonic acid with molecular formula C 6H 7NO 3S and molecular weight 173.18968 g/mol. It is white powder that is slightly soluble in water.
CAS No.
121-47-1
Formula
C6H7NO3S
Molecular Mass
173.19000
Exact Mass
173.01500
PSA
88.77000
Logp
2.17750
IUPAC
3-aminobenzenesulfonic acid
SMILES
C1=CC(=CC(=C1)S(=O)(=O)O)N
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates
Chemical and Physical Properties
Melting Point
>300 °C(lit.)
Density
1.69
Appearance
White to grayish-beige. Powder
Export information
HS Code
29214200
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
R20/21/22
Safety Label
Xn
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