Free lookupCAS 74-98-6
Propane
CAS 74-98-6 · PubChem CID 6334 · C3H8 · 44.10 g/mol
Also called PROPANE, n-Propane, Dimethylmethane, Propyl hydride, Propyldihydride.
Opens the builder with Propane loaded
as component 1 at 100%.
Signal word
Danger
Regulation (EC) No 1272/2008 of the European Parliament and of the Council — fetched 2026-08-28
Precautionary statement codes
P203, P210, P222, P280, P377, P381, and P403
Regulation (EC) No 1272/2008 of the European Parliament and of the Council — fetched 2026-08-28
Regulation (EC) No 1272/2008 of the European Parliament and of the Council — fetched 2026-08-28
- Appearance
Odourless colourless compressed liquefied gas.
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Odour
Odorless [Note: A foul smelling odorant is often added when used for fuel purposes].
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
- Melting point
-189.7 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Boiling point
-42 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Flash point
-104 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Auto-ignition temperature
450 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Flammable limits
no value printed
unsourced — inference candidate
- Vapour pressure
Vapor pressure, kPa at 20 °C: 840
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Relative density
Relative density (water = 1): 0.5
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Solubility in water
no value printed
unsourced — inference candidate
- Partition coefficient, log Kow
no value printed
unsourced — inference candidate
- Viscosity
8.3 uPa.s at 300K; 10.9 uPa.s at 400K; 13.4 uPa.s at 500K; 15.8 uPa.s at 600K
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
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
ILO-WHO International Chemical Safety Cards (ICSCs), Regulation (EC) No 1272/2008 of the European Parliament and of the Council, Hazardous Substances Data Bank (HSDB).
13 sourced records for this substance are in the ledger. Values dated more than 30 days ago are re-fetched on the next document.
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