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1-Amino-4-methylbenzene-2-sulfonic acid

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Formula: C7H9NO3S
CAS: 88-44-8

Identification

Structural Formula
1-Amino-4-methylbenzene-2-sulfonic acid
CAS:
88-44-8
EINECS:
201-831-3
Molecular Formula:
C7H9NO3S
MDL:
Synonym:
ptms ; p-toluidine-m-sulfonic acid ; 4-aminotoluol-3-sulfonsure ; 4b acid, pure ; red4bacid ; 5-methylorthanilic acid ; ptmsa ; p-toluidine-2-sulfonicscid ; 4b acid ; toluidine-sulfonicacid




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Properties for 1-Amino-4-methylbenzene-2-sulfonic acid

Molecular Weight:
187.22 g·mol−1
Density:
1.49 g/cm3 at 25° C
Melting point:
300 °C
Boiling point:
>350° C
Physical Description:
beige crystalline powder
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Safety & Transport Information

Risk Codes:
R34 - Causes burns
R36 - Irritating to eyes
R45 - May cause cancer
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27 - Take off immediately all contaminated clothing
S28 - After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S53 - Avoid exposure - obtain special instructions before use
Hazard Classes:
8
Hazard Symbols:
T, C, Xi
Hazard symbol T Hazard symbol C Hazard symbol Xi
RID/ADR certification :
UN 2585 8 / PG 3
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Alternative Distributors of [1-Amino-4-methylbenzene-2-sulfonic acid]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Bayer AG

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