4,5-Bis(methylthio)-1,3-dithiol-2-one

Also known as: 4,5-BIS(METHYLTHIO)-1,3-DITHIOL-2-ONE, 4,5-BIS(METHYLTHIO)-1,3-DITHIOLE-2-ONE, 4,5-bis(methylsulfanyl)-1,3-dithiol-2-one, MFCD00137889

4,5-Bis(methylthio)-1,3-dithiol-2-one (CAS 61485-46-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H6OS4 and a molecular weight of 210.36100 g/mol. Key properties include a melting point of 56-60ºC(lit.), a boiling point of 304.8ºC at 760 mmHg, a density of 1.5g/cm3 and a flash point of 134.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 61485-46-9
Jingsj CID: J-1484474-7
Molecular Formula: C₅H₆OS₄
Molecular Weight: 210.36100 g/mol
Category: Alcohols
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	56-60ºC(lit.)
Boiling Point	304.8ºC at 760 mmHg
Density	1.5g/cm3
Flash Point	134.5ºC
Exact Mass	209.93000
PSA	124.15000
LogP	2.61360
Refractive Index	1.715

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. 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 4,5-Bis(methylthio)-1,3-dithiol-2-one?

The CAS number of 4,5-Bis(methylthio)-1,3-dithiol-2-one is 61485-46-9.

What are the molecular formula and molecular weight of 4,5-Bis(methylthio)-1,3-dithiol-2-one?

4,5-Bis(methylthio)-1,3-dithiol-2-one has molecular formula C5H6OS4 and molecular weight 210.36100 g/mol.

What are the upstream and downstream products of 4,5-Bis(methylthio)-1,3-dithiol-2-one?

For 4,5-Bis(methylthio)-1,3-dithiol-2-one, Upstream Products: 4,5-Bis(methylthio)-1,3-dithiole-2-thione, 1,3,4,6-Tetrathiapentalene-2,5-dione, iodomethane; Downstream Products: Tetrakis(methylthio)tetrathiafulvalene, BEDO-TTF, Bis(ethylenedithio)tetrathiafulvalene.

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. "4,5-Bis(methylthio)-1,3-dithiol-2-one (CAS 61485-46-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1484474-7 (accessed 2026-11-09).

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