acetyl methanesulfonate

Also known as: methylsulfonyl acetate, acetic acid methanesulfonic acid-anhydride, acetic methanesulfonic anhydride, methanesulfonyl acetate, NSC 158252, Busulfan Impurity 6, Busulfan Impurity 10

acetyl methanesulfonate (CAS 5539-53-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6O4S and a molecular weight of 138.14200 g/mol. Key properties include a boiling point of 202.1ºC at 760 mmHg, a density of 1.346g/cm3 and a flash point of 76ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5539-53-7
Jingsj CID: J-1318349-8
Molecular Formula: C₃H₆O₄S
Molecular Weight: 138.14200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	202.1ºC at 760 mmHg
Density	1.346g/cm3
Flash Point	76ºC
Exact Mass	137.99900
PSA	68.82000
LogP	0.58990
Refractive Index	1.431

Customs & Trade Information

HS Code	2901100000
Summary	2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of acetyl methanesulfonate?

The CAS number of acetyl methanesulfonate is 5539-53-7.

What are the molecular formula and molecular weight of acetyl methanesulfonate?

acetyl methanesulfonate has molecular formula C3H6O4S and molecular weight 138.14200 g/mol.

What are the upstream and downstream products of acetyl methanesulfonate?

For acetyl methanesulfonate, Upstream Products: Acetyl chloride, Methyl methanesulfonate, Acetyl bromide; Downstream Products: 1,3,5-Tris(4-methoxyphenyl)benzene, Methylene diacetate, 4'-Ethoxyacetophenone.

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. "acetyl methanesulfonate (CAS 5539-53-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318349-8 (accessed 2026-11-09).

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