Bis(methylthiomethyl) sulfide

Also known as: 2,4,6-Trithiaheptane, Bis-(methylmercapto-methyl)-sulfid, bis-(methylsulfanyl-methyl)-sulfide, bis-methylsulfanylmethyl-sulfane, FEMA No. 4214, methylsulfanyl(methylsulfanylmethylsulfanyl)methane, UNII-NUN90O9MA6, 1,1'-thiobis[1-(methylthio)]methane

Bis(methylthiomethyl) sulfide (CAS 6540-86-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C4H10S3 and a molecular weight of 154.31700 g/mol. Key properties include a boiling point of 227.7ºC at 760 mmHg, a density of 1.13 g/cm3 and a flash point of 92.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6540-86-9
Jingsj CID: J-8396-5
Molecular Formula: C₄H₁₀S₃
Molecular Weight: 154.31700 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	227.7ºC at 760 mmHg
Density	1.13 g/cm3
Flash Point	92.9ºC
Exact Mass	153.99400
PSA	75.90000
LogP	2.36060
Refractive Index	1.566

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 Bis(methylthiomethyl) sulfide?

The CAS number of Bis(methylthiomethyl) sulfide is 6540-86-9.

What are the molecular formula and molecular weight of Bis(methylthiomethyl) sulfide?

Bis(methylthiomethyl) sulfide has molecular formula C4H10S3 and molecular weight 154.31700 g/mol.

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. "Bis(methylthiomethyl) sulfide (CAS 6540-86-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8396-5 (accessed 2026-11-09).

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