C9H6O2
146.14 g/mol
Flavor & FragranceDanger
Coumarin
CAS91-64-5EC202-086-7
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
flavor and fragrance agent
Coumarin is a naturally occurring aromatic organic compound found in many plants, recognized for its sweet, vanilla-like scent. It is widely utilized as a flavoring and fragrance agent in various consumer products due to its pleasant aroma.
flavor and fragrance agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ApplicationSame Use
1-phenyl-2-butanone
CAS1007-32-5
flavor and fragrance agent
ApplicationSame Use
Anisyl acetate
CAS104-21-2
flavor and fragrance agent
ReferenceSame Category
Methyl 3-methyl-2-butenoate
CAS924-50-5
Flavor and fragrance ingredient
ReferenceSame Category
Diamyl ketone
CAS927-49-1
Flavor and fragrance ingredient
ReferenceSame Category
(2E)-2-hexen-1-ol
CAS928-95-0
fragrance ingredient
ReferenceSame Category
Β-naphthyl methyl ether
CAS93-04-9
fragrance and flavoring agent
Referencesame scaffold
6-methylcoumarin
CAS92-48-8
Flavor and fragrance ingredient
Referencesame scaffold
Ac-Arg-Gly-Lys(Ac)-AMC
CAS660846-97-9
research compound
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H317May cause an allergic skin reaction
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Coumarin (CAS 91-64-5) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
chromen-2-one
InChIKey
ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C=CC(=O)O2
Synonyms (65)
- COU
- Coumarin, European Pharmacopoeia (EP)
- 1,2-Benzopyrone
- 1-Benzopyran-2-one
- 2-Oxo-1,2-benzopyran
- 2-oxo-2H-1-benzopyran
- 2H-1-Benzopyran, 2-oxo-
- 2H-1-Benzopyran-2-one
- 2H-1-benzopyran-2-on
- 2H-Benzo(b)pyran-2-one
- 2H-Benzopyran-2-one
- 2H-Chromen-2-one
- 2h-chromene-2-one
- 5,6-Benzo-2-pyrone
- 5,6-Benzo-alpha-pyrone
- Benzo-a-pyrone
- Benzo-alpha-pyrone
- COUMARIN [MART.]
- Caswell No. 259C
- Coumarin (DCF)
- Coumarin (Standard)
- Coumarin (prohibited)
- Coumarin 1513
- Coumarin CRS
- Coumarin Phenolic
- Coumarin, >=99% (HPLC)
- Coumarine
- Coumarinic anhydride
- Coumarinic lactone
- Coumarinum
- Kumarin
- Kumarin [Czech]
- Lodema
- NCI C07103
- Rattex
- Tonka bean camphor
- Venalot mono (TN)
- a 1,2-benzopyrone
- a coumarin
- benzopyranone
- benzopyrylium olate
- chromenone
- cis-o-Coumaric acid anhydride
- cis-o-Coumarinic acid lactone
- coumarin
- cumarin
- o-Coumaric acid lactone
- o-Hydroxycinnamic lactone
- o-Hydroxyzimtsaure-lacton
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