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Ethyl methanesulfonylacetate

Also known as: Ethyl methylsulfonylacetate, Ethyl (methylsulphonyl)acetate, Ethyl 2-(methylsulfonyl)acetate, ethyl 2-methylsulfonylacetate, Methanesulphonylacetic acid ethyl ester, Ethyl methanesulphonate, NSC 227886

Ethyl methanesulfonylacetate (CAS 4455-15-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C5H10O4S and a molecular weight of 166.19500 g/mol. Key properties include a boiling point of 111-113 °C0.2 mm Hg(lit.), a density of 1.234 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
4455-15-6
Jingsj CID
J-1393675-9
Molecular Formula
C5H10O4S
Molecular Weight
166.19500 g/mol
Category
Solvents
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point111-113 °C0.2 mm Hg(lit.)
Density1.234 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass166.03000
PSA68.82000
LogP0.67490
Refractive Indexn20/D 1.456(lit.)

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Ethyl methanesulfonylacetate?

The CAS number of Ethyl methanesulfonylacetate is 4455-15-6.

What are the molecular formula and molecular weight of Ethyl methanesulfonylacetate?

Ethyl methanesulfonylacetate has molecular formula C5H10O4S and molecular weight 166.19500 g/mol.

What are the upstream and downstream products of Ethyl methanesulfonylacetate?

For Ethyl methanesulfonylacetate, Upstream Products: Ethyl (methylthio)acetate, Ethanol, 2-(Methylsulfonyl)acetic acid; Downstream Products: 2-(Methylsulfonyl)acetic acid.

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 methanesulfonylacetate (CAS 4455-15-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393675-9 (accessed 2026-11-09).

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