Dioctadecyl sulfide

Also known as: Octadecane,1,1'-thiobis-, 1-octadecylsulfanyloctadecane, Bis-octadecylsulfid, Dioctadecyl Sulfide, Dioctadecyl sulphide, Dioctadecyl-sulfid, Distearyl sulfide, Octadecyl sulfide, Stearyl Sulfide, dioctadecyl sulfide, dioctadecylsulfane, stearyl sulfide, N-Octadecyl sulfide, Di-n-octadecylsulpide, 1,1'-thiobis-octadecane

Dioctadecyl sulfide (CAS 1844-09-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C36H74S and a molecular weight of 539.03800 g/mol. Key properties include a melting point of 70ºC, a boiling point of 587.7ºC at 760 mmHg, a density of 0.846g/cm3 and a flash point of 356.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1844-09-3
Jingsj CID: J-33910-6
Molecular Formula: C₃₆H₇₄S
Molecular Weight: 539.03800 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	70ºC
Boiling Point	587.7ºC at 760 mmHg
Density	0.846g/cm3
Flash Point	356.5ºC
Exact Mass	538.55100
PSA	25.30000
LogP	14.24260
Vapor Pressure	3.54E-13mmHg at 25°C
Refractive Index	1.467

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 Dioctadecyl sulfide?

The CAS number of Dioctadecyl sulfide is 1844-09-3.

What are the molecular formula and molecular weight of Dioctadecyl sulfide?

Dioctadecyl sulfide has molecular formula C36H74S and molecular weight 539.03800 g/mol.

What are the upstream and downstream products of Dioctadecyl sulfide?

For Dioctadecyl sulfide, Upstream Products: Octadecyl p-toluenesulfonate, 1-Bromooctadecane.

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. "Dioctadecyl sulfide (CAS 1844-09-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33910-6 (accessed 2026-11-06).

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