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Thiamine Disulfide Hydrate

Also known as: Thiamine Disulfide, Vitamin B1 Disulfide, Aneurine Disulfide, Bisthiamine, TDS, N,N'-[dithiobis[2-(2-hydroxyethyl)-1-methylvinylene]]bis[N-[(4-amino-2-methyl-5-pyrimidinyl)methyl]formamide], Formamide, N,N'-[dithiobis[(Z)-2-(2-hydroxyethyl)-1-methyl-2,1-ethenediyl]]bis[N-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-, Aktivin, Algoneurina, Daiomin, Daisazin, Neolamin

Thiamine Disulfide Hydrate (CAS 67-16-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C24H34N8O4S2 and a molecular weight of 562.72200 g/mol. Key properties include a melting point of 177ºC, a boiling point of 886.1±65.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 489.7±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 4, 2026.

CAS No.
67-16-3
Jingsj CID
J-11538-8
Molecular Formula
C24H34N8O4S2
Molecular Weight
562.72200 g/mol
Category
Organic Bases
Last updated
11/4/2026

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Physicochemical Properties

Melting Point177ºC
Boiling Point886.1±65.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point489.7±34.3 °C
Exact Mass562.214417
PSA235.28000
LogP2.79
Vapor Pressure0.0±0.3 mmHg at 25°C
Refractive Index1.669

Activity & Biological Data

Additional Information[1]. S Shoji, et al. Thiamine disulfide as a potent inhibitor of human immunodeficiency virus (type-1) production. Biochem Biophys Res Commun. 1994 Nov 30;205(1):967-75. [2]. Y Komata, et al. In vitro percutaneous absorption of thiamine disulfide from a mixture of propylene glycol and fatty acid. J Pharm Sci. 1992 Aug;81(8):744-6.

Frequently Asked Questions

What is the CAS number of Thiamine Disulfide Hydrate?

The CAS number of Thiamine Disulfide Hydrate is 67-16-3.

What are the molecular formula and molecular weight of Thiamine Disulfide Hydrate?

Thiamine Disulfide Hydrate has molecular formula C24H34N8O4S2 and molecular weight 562.72200 g/mol.

What are the upstream and downstream products of Thiamine Disulfide Hydrate?

For Thiamine Disulfide Hydrate, Downstream Products: Oxo thiamine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Thiamine Disulfide Hydrate (CAS 67-16-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11538-8 (accessed 2026-11-06).

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