1-Ethynyl-3-(trifluoromethyl)benzene

1-乙炔基-3-(三氟甲基)苯

Also known as: 3-Ethynylbenzotrifluoride, 3-(Trifluoromethyl)phenylacetylene, 3-Ethynyl-alpha,alpha,alpha-trifluorotoluene, 3-Ethynyltrifluorotoluene, Benzene, 1-ethynyl-3-(trifluoromethyl)-

CAS No.
705-28-2
Jingsj CID
J-26036-7
Molecular Formula
C9H5F3
Chinese Name
1-乙炔基-3-(三氟甲基)苯
Molecular Weight
170.131 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point162.9±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point44.6±15.3 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

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

705-28-2

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

C9H5F3, molecular weight 170.131 g/mol

Is 1-Ethynyl-3-(trifluoromethyl)benzene hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026