3,4,5-Trithiaoctane

Also known as: 3,4,5-Trithiaoctane, Ethyl propyl trisulfide, Ethyl propyl trisulphide, 1-(ethyltrisulfanyl)propane, 1-ethyl-3-propyltrisulfane, FEMA 4042, Trisulfide, ethyl propyl, UNII-4SOS6O9G2X

3,4,5-Trithiaoctane (CAS 31499-70-4) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C5H12S3 and a molecular weight of 168.34400 g/mol. Key properties include a boiling point of 238.8ºC at 760 mmHg, a density of 1.1g/cm3 and a flash point of 96.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31499-70-4
Jingsj CID: J-1396788-2
Molecular Formula: C₅H₁₂S₃
Molecular Weight: 168.34400 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	238.8ºC at 760 mmHg
Density	1.1g/cm3
Flash Point	96.7ºC
Exact Mass	168.01000
PSA	75.90000
LogP	3.44590
Refractive Index	1.556

Frequently Asked Questions

What is the CAS number of 3,4,5-Trithiaoctane?

The CAS number of 3,4,5-Trithiaoctane is 31499-70-4.

What are the molecular formula and molecular weight of 3,4,5-Trithiaoctane?

3,4,5-Trithiaoctane has molecular formula C5H12S3 and molecular weight 168.34400 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. "3,4,5-Trithiaoctane (CAS 31499-70-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1396788-2 (accessed 2026-11-06).

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