Dioctadecyl 3,3'-thiodipropionate

Also known as: Distearyl thiodipropionate, Dioctadecyl 3,3'-sulfanediyldipropanoate, 3,3'-Thiodipropionic acid dioctadecyl ester, Di-n-octadecyl 3,3'-thiodipropionate, Distearyl 3,3'-thiodipropionate, Propanoic acid, 3,3'-thiobis-, dioctadecyl ester, octadecyl 3-(3-octadecoxy-3-oxo-propyl)sulfanylpropanoate, octadecyl 3-(3-octadecoxy-3-oxopropyl)sulfanylpropanoate

Dioctadecyl 3,3'-thiodipropionate (CAS 693-36-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C42H82O4S and a molecular weight of 683.163 g/mol. Key properties include a melting point of 65-67°C, a boiling point of 704.8±45.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 323.7±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 693-36-7
Jingsj CID: J-1437726-5
Molecular Formula: C₄₂H₈₂O₄S
Molecular Weight: 683.163 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	65-67°C
Boiling Point	704.8±45.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	323.7±16.7 °C
Exact Mass	682.593384
PSA	77.90000
LogP	19.26
Vapor Pressure	0.0±2.2 mmHg at 25°C
Refractive Index	1.473

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 3,3'-thiodipropionate?

The CAS number of Dioctadecyl 3,3'-thiodipropionate is 693-36-7.

What are the molecular formula and molecular weight of Dioctadecyl 3,3'-thiodipropionate?

Dioctadecyl 3,3'-thiodipropionate has molecular formula C42H82O4S and molecular weight 683.163 g/mol.

What are the upstream and downstream products of Dioctadecyl 3,3'-thiodipropionate?

For Dioctadecyl 3,3'-thiodipropionate, Upstream Products: 3,3'-Thiodipropionic acid, 1-Octadecanol.

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 3,3'-thiodipropionate (CAS 693-36-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437726-5 (accessed 2026-11-09).

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