O-Methylisourea hydrogen sulfate

O-甲基异脲硫酸氢盐

Also known as: Methyl carbamimidate sulfate (1:1), O-Methylisourea bisulfate, O-Methylisourea sulfate (1:1), OMI hydrogen sulfate, 2-Methylpseudourea monosulfate, Carbamimidic acid, methyl ester, sulfate (1:1)

O-Methylisourea hydrogen sulfate (CAS 29427-58-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H8N2O5S and a molecular weight of 172.160 g/mol. It is also known as Methyl carbamimidate sulfate (1:1), O-Methylisourea bisulfate and O-Methylisourea sulfate (1:1). Key properties include a melting point of 118-120 °C(lit.), a boiling point of 66.9ºC at 760mmHg and a flash point of 165.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

29427-58-5

Jingsj CID

J-9800-7

Molecular Formula

C₂H₈N₂O₅S

Chinese Name

O-甲基异脲硫酸氢盐

Molecular Weight

172.160 g/mol

Category

Organic Acids

Last updated

8/21/2026