1,3-Bis(1-isocyanato-1-methylethyl)benzene

1,3-双(1-异氰酸根-1-甲基乙基)苯

Also known as: TMXDI, m-TMXDI, α,α,α',α'-Tetramethyl-1,3-xylylene diisocyanate, Tetramethyl-m-xylylene diisocyanate, 1,3-Bis(2-isocyanato-2-propyl)benzene, 1,3-Bis(2-isocyanatopropan-2-yl)benzene, 1,3-Bis(1-isocyanato-1-methylethyl)benzene, m-Tetramethylxylene diisocyanate

1,3-Bis(1-isocyanato-1-methylethyl)benzene (CAS 2778-42-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H16N2O2 and a molecular weight of 244.289 g/mol. It is also known as TMXDI, m-TMXDI and α,α,α',α'-Tetramethyl-1,3-xylylene diisocyanate. Key properties include a melting point of -10 °C, a boiling point of 309.9±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 126.4±31.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2778-42-9

Jingsj CID

J-1131940-9

Molecular Formula

C₁₄H₁₆N₂O₂

Chinese Name

1,3-双(1-异氰酸根-1-甲基乙基)苯

Molecular Weight

244.289 g/mol

Category

Organic Acids

Last updated

8/21/2026