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

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. 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. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 88444-81-9
Jingsj CID: J-1480798-8
Molecular Formula: C₁₀H₄F₆
Molecular Weight: 238.129 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	160.0±40.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	44.1±19.3 °C
Exact Mass	238.021713
LogP	3.82
Vapor Pressure	3.2±0.3 mmHg at 25°C
Refractive Index	1.424

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

H226 — Flammable liquid and vapour
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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 and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1-Ethynyl-3,5-bis(trifluoromethyl)benzene?

For 1-Ethynyl-3,5-bis(trifluoromethyl)benzene, Upstream Products: (3,5-Bis(trifluoromethyl)phenylethynyl)trimethylsilane, 3,5-Bis(trifluoromethyl)bromobenzene, 1,3-Bis(trifluoromethyl)benzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-Ethynyl-3,5-bis(trifluoromethyl)benzene (CAS 88444-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1480798-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.