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1-Ethynyl-3,5-bis(trifluoromethyl)benzene

3,5-双(三氟甲基)苯乙炔

Also known as: 3,5-Bis(trifluoromethyl)phenylacetylene, 1-ethynyl-3,5-bis(trifluoromethyl)benzene, 3',5'-Bis(trifluoromethyl)phenyl acetylene, Benzene, 1-ethynyl-3,5-bis(trifluoromethyl)-, 3,5-Bis(trifluoromethyl)-1-ethynylbenzene

1-Ethynyl-3,5-bis(trifluoromethyl)benzene (CAS 88444-81-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H4F6 and a molecular weight of 238.129 g/mol. It is also known as 3,5-Bis(trifluoromethyl)phenylacetylene, 1-ethynyl-3,5-bis(trifluoromethyl)benzene and 3',5'-Bis(trifluoromethyl)phenyl acetylene. Key properties include a boiling point of 160.0±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 44.1±19.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88444-81-9
Jingsj CID
J-1480798-7
Molecular Formula
C10H4F6
Chinese Name
3,5-双(三氟甲基)苯乙炔
Molecular Weight
238.129 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point160.0±40.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point44.1±19.3 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-Ethynyl-3,5-bis(trifluoromethyl)benzene?

The CAS number of 1-Ethynyl-3,5-bis(trifluoromethyl)benzene is 88444-81-9.

What are the molecular formula and molecular weight of 1-Ethynyl-3,5-bis(trifluoromethyl)benzene?

1-Ethynyl-3,5-bis(trifluoromethyl)benzene has molecular formula C10H4F6 and molecular weight 238.129 g/mol.

Is 1-Ethynyl-3,5-bis(trifluoromethyl)benzene hazardous?

1-Ethynyl-3,5-bis(trifluoromethyl)benzene has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1-Ethynyl-3,5-bis(trifluoromethyl)benzene (CAS 88444-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1480798-7 (accessed 2026-10-22).

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