1,4-Dithiane-2,5-diol

2,5-二羟基-1,4-二噻烷

Also known as: 2,5-Dihydroxy-1,4-dithiane, p-Dithiane-2,5-diol, Mercaptoacetaldehyde dimer, 1,4-Dithian-2,5-diol, 2,5-Dihydroxy-1,4-dithiacyclohexane

CAS No.
40018-26-6
Jingsj CID
J-1061894-9
Molecular Formula
C4H8O2S2
Chinese Name
2,5-二羟基-1,4-二噻烷
Molecular Weight
152.235 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130 °C (dec.)(lit.)
Boiling Point360.9±42.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point175.5±26.6 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 1,4-Dithiane-2,5-diol?

40018-26-6

What are the molecular formula and molecular weight of 1,4-Dithiane-2,5-diol?

C4H8O2S2, molecular weight 152.235 g/mol

Is 1,4-Dithiane-2,5-diol hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026