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Diethyl 2-[bis(methylthio)methylene]malonate

Also known as: 2-(BIS-METHYLSULFANYL-METHYLENE)-MALONIC ACID DIETHYL ESTER, Propanedioic acid, 2-[bis(methylthio)methylene]-, 1,3-diethyl ester, diethyl 2-[bis(methylsulfanyl)methylidene]propanedioate, Diethyl bis(methylthio)methylene malonate, diethyl 2-[bis(methylthio)methylene]malonate, 2-(Bis-methylsulfanyl-methylene)malonic acid diethyl ester

Diethyl 2-[bis(methylthio)methylene]malonate (CAS 55084-15-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H16O4S2 and a molecular weight of 264.36200 g/mol. Key properties include a boiling point of 323ºC at 760 mmHg, a density of 1.192g/cm3 and a flash point of 142.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55084-15-6
Jingsj CID
J-869221-5
Molecular Formula
C10H16O4S2
Molecular Weight
264.36200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point323ºC at 760 mmHg
Density1.192g/cm3
Flash Point142.9ºC
Exact Mass264.04900
PSA103.20000
LogP2.05020
Refractive Index1.522

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diethyl 2-[bis(methylthio)methylene]malonate?

The CAS number of Diethyl 2-[bis(methylthio)methylene]malonate is 55084-15-6.

What are the molecular formula and molecular weight of Diethyl 2-[bis(methylthio)methylene]malonate?

Diethyl 2-[bis(methylthio)methylene]malonate has molecular formula C10H16O4S2 and molecular weight 264.36200 g/mol.

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

Last updated:

How to cite: Jingsj. "Diethyl 2-[bis(methylthio)methylene]malonate (CAS 55084-15-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-869221-5 (accessed 2026-11-09).

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