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Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester

Also known as: 4,4,5,5,5-Pentafluoropentyl methanesulfonate, Fulvestrant Impurity 33, 1-methanesulfonyloxy-4,4,5,5,5-pentafluoropentane, 1-methylsulfonyloxy-4,4,5,5,5-pentafluoropentane, 4,4,5,5,5-pentafluoropentyl methanesulphonate

Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester (CAS 252947-01-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9F5O3S and a molecular weight of 256.19100 g/mol. Key properties include a boiling point of 243.7±40.0 °C and a density of 1.405±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
252947-01-6
Jingsj CID
J-1140623-8
Molecular Formula
C6H9F5O3S
Molecular Weight
256.19100 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point243.7±40.0 °C
Density1.405±0.06 g/cm3
Exact Mass256.01900
PSA51.75000
LogP3.02120

Frequently Asked Questions

What is the CAS number of Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester?

The CAS number of Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester is 252947-01-6.

What are the molecular formula and molecular weight of Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester?

Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester has molecular formula C6H9F5O3S and molecular weight 256.19100 g/mol.

What are the upstream and downstream products of Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester?

For Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester, Upstream Products: 4,4,5,5,5-Pentafluoro-1-pentanol; Downstream Products: 9-[(4,4,5,5,5-Pentafluoropentyl)thio]-1-nonanol, 4,4,5,5,5-Pentafluoro-1-pentanethiol.

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

Last updated:

How to cite: Jingsj. "Methanesulfonic acid 4,4,5,5,5-pentafluoropentyl ester (CAS 252947-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1140623-8 (accessed 2026-11-09).

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