1-ethynyl-2,4,5-trimethylbenzene

1-乙炔基-2,4,5-三甲基苯

Also known as: 1-ETHYNYL-2 4 5-TRIMETHYLBENZENE 97, 1-Ethynyl-2,4,5-trimethylbenzene 97%, 1-ethynyl-2,4,5-trimethyl-benzene, Benzene, 1-ethynyl-2,4,5-trimethyl-, Benzene,1-ethynyl-2,4,5-trimethyl, MFCD05865154

1-ethynyl-2,4,5-trimethylbenzene (CAS 351002-92-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H12 and a molecular weight of 144.21300 g/mol. It is also known as 1-ETHYNYL-2 4 5-TRIMETHYLBENZENE 97, 1-Ethynyl-2,4,5-trimethylbenzene 97% and 1-ethynyl-2,4,5-trimethyl-benzene. Key properties include a melting point of 47-51ºC(lit.), a boiling point of 222ºC at 760 mmHg, a density of 0.92g/cm3 and a flash point of 77.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
351002-92-1
Jingsj CID
J-1164198-0
Molecular Formula
C11H12
Chinese Name
1-乙炔基-2,4,5-三甲基苯
Molecular Weight
144.21300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point47-51ºC(lit.)
Boiling Point222ºC at 760 mmHg
Density0.92g/cm3
Flash Point77.4ºC

Frequently Asked Questions

What is the CAS number of 1-ethynyl-2,4,5-trimethylbenzene?

The CAS number of 1-ethynyl-2,4,5-trimethylbenzene is 351002-92-1.

What are the molecular formula and molecular weight of 1-ethynyl-2,4,5-trimethylbenzene?

1-ethynyl-2,4,5-trimethylbenzene has molecular formula C11H12 and molecular weight 144.21300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-ethynyl-2,4,5-trimethylbenzene (CAS 351002-92-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1164198-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.