Coumarin

Coumarin 1
molecular structure · PubChem CID 323
AKA: 2H-1-Benzopyran-2-one
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Synthetic
Fragrance
Not Clean
OriginCoumarin is synthesized from benzene derivatives and other aromatic compounds within the coumarin chemical family. It is produced through catalytic cyclization and oxidation reactions of phenolic precursors in industrial synthesis.
Coumarin; 2H-1-Benzopyran-2-one
Formula
C9H6O2
Mol. Weight
146.14
CAS #
91-64-5
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Allergen Warning
⚠️ EU Fragrance Allergen
Functions
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR