1,2-Ethanedithiol-d4

Also known as: 1,2-Ethane-d4-dithiol, 1,2-Ethanedithiol (1,1,2,2-d4, 98%), ETHANE-D4-1,2-DITHIOL, 1,2-Ethane-1,1,2,2-d4-dithiol (9CI), 1,1,2,2-tetradeuterioethane-1,2-dithiol, 1,2-ethanedithiol-1,1,2,2-d4, (H)Ethane-1,2-dithiol, 1,2-(2H4)Ethanedithiol

1,2-Ethanedithiol-d4 (CAS 100189-81-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C2H2D4S2 and a molecular weight of 98.224 g/mol. Key properties include a boiling point of 144.3±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 44.4±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100189-81-9
Jingsj CID: J-1968962-4
Molecular Formula: C₂H₂D₄S₂
Molecular Weight: 98.224 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	144.3±13.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	44.4±0.0 °C
Exact Mass	98.016197
PSA	77.60000
LogP	1.31
Vapor Pressure	6.5±0.3 mmHg at 25°C
Refractive Index	1.517

Activity & Biological Data

Additional Information	[1]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.

Frequently Asked Questions

What is the CAS number of 1,2-Ethanedithiol-d4?

The CAS number of 1,2-Ethanedithiol-d4 is 100189-81-9.

What are the molecular formula and molecular weight of 1,2-Ethanedithiol-d4?

1,2-Ethanedithiol-d4 has molecular formula C2H2D4S2 and molecular weight 98.224 g/mol.

What are the upstream and downstream products of 1,2-Ethanedithiol-d4?

For 1,2-Ethanedithiol-d4, Upstream Products: 1,2-dibromoethane-d4.

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. "1,2-Ethanedithiol-d4 (CAS 100189-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1968962-4 (accessed 2026-11-09).

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