1,2,3,4-Tetramethylcyclopentadiene

1,2,3,4-四甲基-1,3-环戊二烯

Also known as: 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE, 1,2,3,4-TETRAMETHYLCYCLOPENTADIENE, 1,2,3,4-Tetramethyl-1,3-cyclopentadiene, 1,2,3,4-Tetramethyl-1,3-cyclopentadiene ,93%, 1,2,3,4-Tetramethyl-1,3-cyclopentadiene,85%, 1,2,3,4-Tetramethylcyclopenta-1,3-diene, 1,2,3,4-tetramethyl-cyclopentadiene, 1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-, MFCD00145385, TETRAMETHYLCYCLOPENTADIENE, Tetramethylcyclopentadiene, Tetramethylcyclopentadiene, mixed isomers, 90+%, Tetrmethylcyclopendadiene, tetramethylcyclopentadiene, mixed isomers

1,2,3,4-Tetramethylcyclopentadiene (CAS 4249-10-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H14 and a molecular weight of 122.207 g/mol. It is also known as 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE, 1,2,3,4-TETRAMETHYLCYCLOPENTADIENE and 1,2,3,4-Tetramethyl-1,3-cyclopentadiene. Key properties include a boiling point of 146.8±7.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 27.5±13.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4249-10-9

Jingsj CID

J-5526-8

Molecular Formula

C₉H₁₄

Chinese Name

1,2,3,4-四甲基-1,3-环戊二烯

Molecular Weight

122.207 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026