5,5,10,10-Tetramethyl-inden[2,1-a]indene

5,10-四甲基二茚

Also known as: 1,2,5,10-Tetramethylindeno[2,1-a]indene, 5,10-tetraMethylindeno[2,1-a]indene, 5,5,10,10-TetraMethyl-5,10-dihydroindeno<2,1-a>inden, 5,5,10,10-Tetramethyl-5,10-dihydroindeno<2,1-a>inden, 5,5,10,10-Tetramethyl-5,10-dihydroindeno[2,1-a]indene, 5,5,10,10-tetramethyl-Inden[2,1-a]Indene, 5,5,10,10-tetramethylindeno[2,1-a]indene, Indeno[2,1-a]indene, 5,10-dihydro-5,5,10,10-tetramethyl-, Indeno[2,1-a]indene,5,10-dihydro-5,5,10,10-tetramethyl

5,5,10,10-Tetramethyl-inden[2,1-a]indene (CAS 89057-44-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H20 and a molecular weight of 260.373 g/mol. It is also known as 1,2,5,10-Tetramethylindeno[2,1-a]indene, 5,10-tetraMethylindeno[2,1-a]indene and 5,5,10,10-TetraMethyl-5,10-dihydroindeno<2,1-a>inden. Key properties include a boiling point of 343.6±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.8±18.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

89057-44-3

Jingsj CID

J-1397167-4

Molecular Formula

C₂₀H₂₀

Chinese Name

5,10-四甲基二茚

Molecular Weight

260.373 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026