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157031

3-Amino-4-methoxybenzenesulfonic acid

98%

Synonym(s):

4-Methoxymetanilic acid

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About This Item

Linear Formula:
H2NC6H3(OCH3)SO3H
CAS Number:
98-42-0
Molecular Weight:
203.22
NACRES:
NA.22
PubChem Substance ID:
24849653
UNSPSC Code:
12352100
EC Number:
202-667-5
MDL number:
MFCD00035759
Assay:
98%
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Quality Segment

100

assay

98%

mp

305 °C (dec.) (lit.)

functional group

sulfonic acid

SMILES string

COc1ccc(cc1N)S(O)(=O)=O

InChI

1S/C7H9NO4S/c1-12-7-3-2-5(4-6(7)8)13(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)

InChI key

FLIOATBXVNLPLK-UHFFFAOYSA-N

General description

3-Amino-4-methoxybenzenesulfonic acid in solid state exists in the zwitterionic form, 3-ammonio-4-methoxybenzenesulfonate. 3-Amino-4-methoxybenzenesulfonic acid was incorporated via direct coprecipitation between the sheets of a layered double hydroxide (LDH) of intralamellar composition Cu2Cr(OH)6.

flash_point_f

Not applicable

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H314,H317

Hazard Classifications

Skin Corr. 1B - Skin Sens. 1

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_c

Not applicable

ppe

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

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