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InventoryRef 3305715/10/2010

COUMARIN

Coumarin; 2H-1-Benzopyran-2-one

COUMARIN is linked to 1 EU annex record on this page. Inventory note: III/77.

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Regulatory evidence by market

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MarketEvidence statusRecordsSource language
European UnionEvidence linked
Restricted entry found
Open this evidence		1English and EU languages
Great BritainEvidence linked
Restricted
Open this evidence		1English
CanadaSource mapped
Official source mapped; ingredient rule not imported
0English and French
New ZealandEvidence linked
Restricted
Open this evidence		1English
ASEANSource mapped
Official source mapped; ingredient rule not imported
0English and national languages
ChinaSource mapped
Official source mapped; ingredient rule not imported
0Chinese with selected English material
JapanSource mapped
Official source mapped; ingredient rule not imported
0Japanese; official English translation available
South KoreaSource mapped
Official source mapped; ingredient rule not imported
0Korean with some English names
United StatesSource mapped
Official source mapped; ingredient rule not imported
0English
AustraliaSource mapped
Official source mapped; ingredient rule not imported
0English
BrazilSource mapped
Official source mapped; ingredient rule not imported
0Portuguese with INCI crosswalks
IndiaEvidence linked
Restricted
Open this evidence		1English and Hindi
Saudi ArabiaEvidence linked
Restricted
Open this evidence		1Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 91-64-5
CAS 91-64-5PubChem CID 323

Coumarin

Coumarin is a chromenone having the keto group located at the 2-position. It has a role as a fluorescent dye, a plant metabolite and a human metabolite. — ChEBI

IUPAC name
chromen-2-one
Molecular formula
C9H6O2
Molecular weight
146.14 g/mol
Exact mass
146.036779430 Da
XLogP3
1.4
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

2H-Chromen-2-one2H-1-Benzopyran-2-onecumarin1,2-BenzopyroneTonka bean camphorRattexCoumarinic anhydrideCoumarine
16 more reported names
cis-o-Coumarinic acid lactoneCoumarinic lactoneo-Hydroxycinnamic acid lactoneBenzo-alpha-pyrone5,6-Benzo-2-pyroneo-Hydroxycinnamic lactone2-Oxo-1,2-benzopyranKumarin2H-Benzo(b)pyran-2-one2H-1-Benzopyran, 2-oxo-5,6-Benzo-alpha-pyroneBenzo-a-pyroneo-Coumaric acid lactoneo-Hydroxyzimtsaure-lactonCoumarinumcis-o-Coumaric acid anhydride
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for COUMARIN

INCI name

COUMARIN

Description

Coumarin; 2H-1-Benzopyran-2-one

Record provenance

Inventory reference
33057
Imported identity
COUMARIN
Source update
15/10/2010
European Commission CosIng source notes
Annex III Restriction reference
Entry 77

Coumarin

CAS: 91-64-5
EC: 202-086-7

Key data

CAS
91-64-5
EC
202-086-7
Restriction
III/77
Function
PERFUMING
Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#7544 · COUMARIN
Declared fragrance allergen

This substance is on the EU list of fragrance allergens that must be named individually in the ingredient list, rather than being covered by the word "parfum", once it exceeds 0.001% in a leave-on product or 0.01% in a rinse-off product.

Declaration is a labelling duty under Article 19, not a restriction on use. See the allergen record

Ingredients with overlapping formulation functions

CORIANDRUM SATIVUM FRUIT EXTRACTANTIMICROBIAL, FLAVOURING, PERFUMING
CORIANDRUM SATIVUM FRUIT OILFRAGRANCE, PERFUMING
CORIANDRUM SATIVUM HERB OILPERFUMING
COTINUS COGGYGRIA BRANCH/LEAF OILFLAVOURING, FRAGRANCE, PERFUMING
CRESYL ACETATEPERFUMING
CRESYLACETALDEHYDE DIMETHYL ACETALPERFUMING
CROTON ELUTERIA OILPERFUMING
CROTONALDEHYDEANTIOXIDANT, FRAGRANCE, PERFUMING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How COUMARIN appears in the CosIng inventory

The CosIng inventory lists COUMARIN as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

COUMARIN is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

COUMARIN appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for COUMARIN reads: "III/77". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, COUMARIN carries the following function designation(s):

CAS 91-64-5 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.
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Source note for COUMARIN

This page combines the CosIng inventory entry for COUMARIN with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research COUMARIN and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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