5-Amino-2-methylbenzenesulfonic acid

CAS No.：118-88-7

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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5-Amino-2-methylbenzenesulfonic acid Basic information

Product Name:	5-Amino-2-methylbenzenesulfonic acid
Synonyms:	5-amino-2-methyl-benzenesulfonicaci;p-Methylaniline-3-sulfonicac;5-AMINO-2-METHYLBENZENE-1-SULFONIC ACID;5-AMINO-2-METHYLBENZENESULFONIC ACID;5-AMINO-2-METHYL-1-SULFOBENZENE;5-AMINO-O-TOLUENESULFONIC ACID;4-METHYLANILINE-3-SULFONIC ACID;4-METHYL-3-SULFOANILINE
CAS:	118-88-7
MF:	C7H9NO3S
MW:	187.22
EINECS:	204-282-8
Product Categories:	Intermediates of Dyes and Pigments
Mol File:	118-88-7.mol

5-Amino-2-methylbenzenesulfonic acid Chemical Properties

Melting point	200°C
Boiling point	500°C (rough estimate)
density	1.3553 (rough estimate)
refractive index	1.6100 (estimate)
storage temp.	-20°C Freezer, Under inert atmosphere
solubility	Aqueous Acid (Slightly, Heated, Sonicated), Aqueous Base (Slightly, Sonicated)
pka	-1.11±0.42(Predicted)
form	Solid
color	Off-White to Pale Yellow
Sensitive	Hygroscopic
Dissociation constant	0-0 at 23℃
CAS DataBase Reference	118-88-7(CAS DataBase Reference)
EPA Substance Registry System	5-Amino-o-toluenesulfonic acid (118-88-7)

Safety Information

Risk Statements	20/21/22-34
Safety Statements	26-36/37/39
RIDADR	2585
TSCA	Yes
HazardClass	8
PackingGroup	III

MSDS Information

Provider	Language
ALFA	English

5-Amino-2-methylbenzenesulfonic acid Usage And Synthesis

Uses	4-Amino-2-sulfotoluene can be used to treat bacterial infections.

5-Amino-2-methylbenzenesulfonic acid Preparation Products And Raw materials

Raw materials

p-Toluidine-->4,4'-Diamino-2,2'-stilbenedisulfonic acid-->2-Methyl-5-nitrobenzenesulfonic acid

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