Free lookupCAS 67-68-5
Dimethyl sulfoxide
CAS 67-68-5 · PubChem CID 679 · C2H6OS · 78.14 g/mol
Also called dimethyl sulfoxide, DMSO, Methylsulfinylmethane, Methyl sulfoxide, Dimethyl sulphoxide.
Opens the builder with Dimethyl sulfoxide loaded
as component 1 at 100%.
Precautionary statement codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
European Chemicals Agency (ECHA) — fetched 2026-08-28
European Chemicals Agency (ECHA) — fetched 2026-08-28
European Chemicals Agency (ECHA) — fetched 2026-08-28
European Chemicals Agency (ECHA) — fetched 2026-08-28
- Appearance
Colourless hygroscopic liquid.
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Odour
Slightly sulfurous odor
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
- Melting point
18.5 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Boiling point
189 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Flash point
87 °C c.c.
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Auto-ignition temperature
215 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Flammable limits
Lower flammable limit: 2.6% by volume; Upper flammable limit: 42% by volume
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
- Vapour pressure
Vapor pressure, Pa at 20 °C: 59.4
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Relative density
Relative density (water = 1): 1.1
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Solubility in water
Solubility in water: miscible
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Partition coefficient, log Kow
no value printed
unsourced — inference candidate
- Viscosity
no value printed
unsourced — inference candidate
No published acute toxicity value was found for this substance in the sources we read. On a document, Section 11 would print unsourced — inference candidate rather than an estimate.
This page is the evidence. The document is the deliverable.
Everything above is free and stays free. For $5 the same sourced values are assembled into a 16-section safety data sheet and a print-ready GHS label carrying your company details in Section 1.
Start a document — $5What we read
European Chemicals Agency (ECHA), Hazardous Substances Data Bank (HSDB), ILO-WHO International Chemical Safety Cards (ICSCs).
14 sourced records for this substance are in the ledger. Values dated more than 30 days ago are re-fetched on the next document.
- Styrene100-42-5 · 15 records
- Calcium hydroxide1305-62-0 · 13 records
- Methanol67-56-1 · 13 records
- Toluene108-88-3 · 13 records
- Chlorine7782-50-5 · 12 records
- Sodium hydroxide1310-73-2 · 12 records
- Palmitic acid57-10-3 · 11 records
- L-Ascorbic acid50-81-7 · 10 records
Browse every chemical in the ledger · What a GHS safety data sheet contains