3,3,4,4,4-Pentafluoro-2-butanol

Also known as: 1,1,1,2,2-Pentafluorobutan-3-ol, 1-methyl-2,2,3,3,3-pentafluoropropanol, 2-Butanol, 3,3,4,4,4-pentafluoro-, 2-Pentafluorobutanol, 3,3,4,4,4-Pentafluorobutanol-2, 3,3,4,4,4-pentafluorobutan-2-ol, Pentafluoro-2-butanol, Pentafluorobutanol-2, Pentafluoroethylmethylcarbinol

3,3,4,4,4-Pentafluoro-2-butanol (CAS 374-40-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H5F5O and a molecular weight of 164.07400 g/mol. Key properties include a boiling point of 83 °C, a density of 1,315 g/cm3 and a flash point of -25°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 374-40-3
Jingsj CID: J-36902-8
Molecular Formula: C₄H₅F₅O
Molecular Weight: 164.07400 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	83 °C
Density	1,315 g/cm3
Flash Point	-25°C
Exact Mass	164.02600
PSA	20.23000
LogP	1.56480
Refractive Index	1.315

Customs & Trade Information

HS Code	2905590090
Summary	2905590090 other halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,3,4,4,4-Pentafluoro-2-butanol?

The CAS number of 3,3,4,4,4-Pentafluoro-2-butanol is 374-40-3.

What are the molecular formula and molecular weight of 3,3,4,4,4-Pentafluoro-2-butanol?

3,3,4,4,4-Pentafluoro-2-butanol has molecular formula C4H5F5O and molecular weight 164.07400 g/mol.

What are the upstream and downstream products of 3,3,4,4,4-Pentafluoro-2-butanol?

For 3,3,4,4,4-Pentafluoro-2-butanol, Upstream Products: Methylmagnesium iodide, 2,2,3,3,3-Pentafluoro-1,1-propanediol, 3,3,4,4,4-Pentafluorobutan-2-one; Downstream Products: 3,3,4,4,4-Pentafluorobutan-2-one, 3,3,4,4,4-pentafluoro-1-butene.

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. "3,3,4,4,4-Pentafluoro-2-butanol (CAS 374-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36902-8 (accessed 2026-11-09).

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