Free lookupCAS 91-64-5
Coumarin
CAS 91-64-5 · PubChem CID 323 · C9H6O2 · 146.14 g/mol
Also called coumarin, 2H-Chromen-2-one, 2H-1-Benzopyran-2-one, cumarin, 1,2-Benzopyrone.
Opens the builder with Coumarin loaded
as component 1 at 100%.
Precautionary statement codes
P261, P264, P270, P272, P280, P301+P316, P301+P317, P302+P352, P321, P330, P333+P317, P362+P364, 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 flakes with characteristic odour.
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Odour
Pleasant, fragrant odor resembling that of vanilla beans.
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
- Melting point
68-70 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Boiling point
297-299 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Flash point
150 °C
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Auto-ignition temperature
no value printed
unsourced — inference candidate
- Flammable limits
no value printed
unsourced — inference candidate
- Vapour pressure
Vapor pressure, kPa at 106 °C: 0.13
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Relative density
no value printed
unsourced — inference candidate
- Solubility in water
no value printed
unsourced — inference candidate
- Partition coefficient, log Kow
1.39
ILO-WHO International Chemical Safety Cards (ICSCs) — fetched 2026-08-28
- Viscosity
no value printed
unsourced — inference candidate
- LD50 Rat oral 293 mg/kg
- LD50 Mouse oral 196 mg/kg
- LD50 Mouse ip 220 mg/kg
- LD50 Mouse subcutaneous 242 mg/kg
- LD50 Guinea pig oral 202 mg/kg
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
Hazardous Substances Data Bank (HSDB) — fetched 2026-08-28
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), ILO-WHO International Chemical Safety Cards (ICSCs), Hazardous Substances Data Bank (HSDB).
24 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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