Coumarin
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
91-64-5
Chemical name
Coumarin
Molecular formula
C9H6O2
Molecular weight
146.14 g/mol
Synonyms
2H-Chromen-2-one; 2H-1-Benzopyran-2-one; cumarin; 1,2-Benzopyrone; Tonka bean camphor; Rattex; Coumarinic anhydride; Coumarine; cis-o-Coumarinic acid lactone; Coumarinic lactone; o-Hydroxycinnamic acid lactone; Benzo-alpha-pyrone
InChIKey
ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
PubChem CID
323
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H301
Catalog reference cue; confirm supplier documentation before use.
Appearance
Coumarin appears as colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste. (NTP, 1992)
Catalog reference value; verify against supplier SDS before use.
Melting Point
67.78–71 °C
Catalog reference value; verify against supplier SDS before use.
Boiling Point
301.7 °C
Catalog reference value; verify against supplier SDS before use.
Flash Point
150.0 °C
Catalog reference value; verify against supplier SDS before use.
XLogP
1.4
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.