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1,1,1-Trifluoro-2,4-pentanedione

Also known as: Trifluoroacetylacetone, 1,1,1-Trifluoroacetylacetone, α,α,α-Trifluoroacetylacetone, (Trifluoroacetyl)acetone, 1,1,1-trifluoropentane-2,4-dione, 2,4-Pentanedione, 1,1,1-trifluoro-

1,1,1-Trifluoro-2,4-pentanedione (CAS 367-57-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H5F3O2 and a molecular weight of 154.087 g/mol. Key properties include a boiling point of 106.0±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 26.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
367-57-7
Jingsj CID
J-1331614-8
Molecular Formula
C5H5F3O2
Molecular Weight
154.087 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point106.0±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point26.1±0.0 °C
Exact Mass154.024170
PSA34.14000
LogP2.09
Vapor Pressure28.8±0.2 mmHg at 25°C
Refractive Index1.343
Additional Propertyslightly soluble

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Customs & Trade Information

HS Code2914700090
SummaryHS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,1,1-Trifluoro-2,4-pentanedione?

The CAS number of 1,1,1-Trifluoro-2,4-pentanedione is 367-57-7.

What are the molecular formula and molecular weight of 1,1,1-Trifluoro-2,4-pentanedione?

1,1,1-Trifluoro-2,4-pentanedione has molecular formula C5H5F3O2 and molecular weight 154.087 g/mol.

Is 1,1,1-Trifluoro-2,4-pentanedione hazardous?

1,1,1-Trifluoro-2,4-pentanedione has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of 1,1,1-Trifluoro-2,4-pentanedione?

For 1,1,1-Trifluoro-2,4-pentanedione, Upstream Products: Ethyl trifluoroacetate, Trifluoroacetyl chloride; Downstream Products: Ethyl trifluoroacetate, 2-Bromo-6-methyl-4-(trifluoromethyl)pyridine, 1-(4-methoxyphenyl)-5-methyl-3-(trifluoromethyl)-1H-pyrazole.

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

Last updated:

How to cite: Jingsj. "1,1,1-Trifluoro-2,4-pentanedione (CAS 367-57-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1331614-8 (accessed 2026-11-09).

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