Ethyl 4,4,4-trifluoro-2-butynoate
Also known as: 2-Butynoic acid, 4,4,4-trifluoro-, ethyl ester, 4,4,4-Trifluoro-but-2-ynoic acid ethyl ester, Ethyl 4,4,4-trifluoro-2-butynoate 97%, Ethyl-4,4,4-trifluorotetrolate, MFCD00192167, ethyl 3-trifluoromethylpropynoate, ethyl trifluoromethylpropiolate
Ethyl 4,4,4-trifluoro-2-butynoate (CAS 79424-03-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5F3O2 and a molecular weight of 166.09800 g/mol. Key properties include a boiling point of 96-98ºC(lit.), a density of 1.162 g/mL at 25ºC(lit.) and a flash point of 6.1 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly 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 Nov 2, 2026.
- CAS No.
- 79424-03-6
- Jingsj CID
- J-32124-4
- Molecular Formula
- C6H5F3O2
- Molecular Weight
- 166.09800 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 96-98ºC(lit.) |
|---|---|
| Density | 1.162 g/mL at 25ºC(lit.) |
| Flash Point | 6.1 °C |
| Exact Mass | 166.02400 |
| PSA | 26.30000 |
| LogP | 1.11520 |
| Refractive Index | n20/D 1.350(lit.) |
| Storage Conditions | 2-8℃ |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl 4,4,4-trifluoro-2-butynoate?
The CAS number of Ethyl 4,4,4-trifluoro-2-butynoate is 79424-03-6.
What are the molecular formula and molecular weight of Ethyl 4,4,4-trifluoro-2-butynoate?
Ethyl 4,4,4-trifluoro-2-butynoate has molecular formula C6H5F3O2 and molecular weight 166.09800 g/mol.
Is Ethyl 4,4,4-trifluoro-2-butynoate hazardous?
Ethyl 4,4,4-trifluoro-2-butynoate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Ethyl 4,4,4-trifluoro-2-butynoate?
For Ethyl 4,4,4-trifluoro-2-butynoate, Upstream Products: Ethyl 4,4,4-trifluoro-2-(triphenylphosphoranylidene)acetoacetate, 3,3,3-Trifluoro-1-propyne; Downstream Products: Ethyl 2-(trifluoromethyl)imidazo[1,2-a]pyridine-3-carboxylate, Ethyl 1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylate, 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 4,4,4-trifluoro-2-butynoate (CAS 79424-03-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32124-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.