4-Methylmetanilic acid

2-氨基甲苯-4-磺酸

Also known as: 3-Amino-4-methylbenzenesulfonic acid, o-Toluidine-5-sulfonic acid, 2-Aminotoluene-4-sulfonic acid, 1-Amino-2-methyl-5-benzenesulfonic acid, 2-Amino-4-toluenesulfonic acid, 3-Amino-p-toluenesulfonic acid, Benzenesulfonic acid, 3-amino-4-methyl-, p-Toluenesulfonic acid, 3-amino-, NSC 7922, 2-Methyl-5-sulfoaniline, 2-Amino-toluol-4-sulfonsaeure

4-Methylmetanilic acid (CAS 618-03-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3S and a molecular weight of 187.21600 g/mol. It is also known as 3-Amino-4-methylbenzenesulfonic acid, o-Toluidine-5-sulfonic acid and 2-Aminotoluene-4-sulfonic acid. Key property: a density of 1.431 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

618-03-1

Jingsj CID

J-31542-5

Molecular Formula

C₇H₉NO₃S

Chinese Name

2-氨基甲苯-4-磺酸

Molecular Weight

187.21600 g/mol

Category

Solvents

Last updated

8/21/2026