4-Hydroxy-5-methyl-4-cyclopentene-1,3-dione monohydrate

4-羟基-5-甲基-4-环戊烯-1,3-二酮一水合物

Also known as: 4-Hydroxy-5-methyl-4-cyclopentene-1,3-dione monohydrate (9CI), 4-Hydroxy-5-methylcyclopent-4-ene-1,3-dione hydrate, 4-hydroxy-5-methylcyclopent-4-ene-1,3-dione,hydrate

4-Hydroxy-5-methyl-4-cyclopentene-1,3-dione monohydrate (CAS 179990-31-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H8O4 and a molecular weight of 144.12500 g/mol. It is also known as 4-Hydroxy-5-methyl-4-cyclopentene-1,3-dione monohydrate (9CI), 4-Hydroxy-5-methylcyclopent-4-ene-1,3-dione hydrate and 4-hydroxy-5-methylcyclopent-4-ene-1,3-dione,hydrate. Key properties include a melting point of 76-78ºC(lit.), a boiling point of 362.7ºC at 760 mmHg and a flash point of 173.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

179990-31-9

Jingsj CID

J-1992389-1

Molecular Formula

C₆H₈O₄

Chinese Name

4-羟基-5-甲基-4-环戊烯-1,3-二酮一水合物

Molecular Weight

144.12500 g/mol

Category

Ketones

Last updated

8/21/2026