Ethylene sulfite

亚硫酸乙烯酯

Also known as: Glycol sulfite, 1,3,2-Dioxathiolan-2-oxide, 1,3,2-Dioxathiolane 2-oxide, 1,2-Ethylene sulfite, Ethylene glycol sulfite, Cyclic ethylene sulfite, DTO

Ethylene sulfite (CAS 3741-38-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H4O3S and a molecular weight of 108.11600 g/mol. It is also known as Glycol sulfite, 1,3,2-Dioxathiolan-2-oxide and 1,3,2-Dioxathiolane 2-oxide. Key properties include a melting point of -17ºC, a boiling point of 159.1 °C(lit.), a density of 1.426 g/mL at 25 °C(lit.) and a flash point of 175 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3741-38-6
Jingsj CID
J-27641-0
Molecular Formula
C2H4O3S
Chinese Name
亚硫酸乙烯酯
Molecular Weight
108.11600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-17ºC
Boiling Point159.1 °C(lit.)
Density1.426 g/mL at 25 °C(lit.)
Flash Point175 °F
Exact Mass107.98800
PSA54.74000
LogP0.47760
Refractive Indexn20/D 1.445(lit.)

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Ethylene sulfite?

The CAS number of Ethylene sulfite is 3741-38-6.

What are the molecular formula and molecular weight of Ethylene sulfite?

Ethylene sulfite has molecular formula C2H4O3S and molecular weight 108.11600 g/mol.

What are the upstream and downstream products of Ethylene sulfite?

For Ethylene sulfite, Upstream Products: Ethylene oxide, Ethylene glycol, Thionyl chloride; Downstream Products: 2-(naphthalen-2-yloxy)ethanol, Bis(2-bromoethyl) ether, 1,3,2-Dioxathiolane 2,2-dioxide.

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

Last updated:

How to cite: Jingsj. "Ethylene sulfite (CAS 3741-38-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27641-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.