Is DELTA-METHRIN safe to use in EU cosmetics?

DELTA-METHRIN is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What does the restriction note for DELTA-METHRIN mean?

The restriction field for DELTA-METHRIN reads: ban substances that deplete the ozone layer. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 52918-63-5?

CAS 52918-63-5 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains DELTA-METHRIN?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef cosing-live-557242023-05-22

DELTA-METHRIN

DELTA-METHRIN is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet. Inventory note: ban substances that deplete the ozone layer.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 52918-63-5

CAS 52918-63-5PubChem CID 40585

Deltamethrin

Deltamethrin is a cyclopropanecarboxylate ester obtained by formal condensation between 3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylic acid and cyano(3-phenoxyphenyl)methanol. It is the active insecticide of the proinsecticide tralomethrin. It has a role as an antifeedant, an agrochemical, an EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor, a calcium channel agonist and a pyrethroid ester insecticide. It is a nitrile, an aromatic ether, an organobromine compound and a cyclopropanecarboxylate ester. It is functionally related to a cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylic acid. — ChEBI

IUPAC name: trans-[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate

Molecular formula: C22H19Br2NO3
Molecular weight: 505.2 g/mol
Exact mass: 504.97112 Da
XLogP3: 6.2
Topological polar surface area: 59.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 3

Also known as

DecamethrinDecisDecamethrineButoxK-OthrinCislinDeltaGardDeltamethrine

16 more reported names

EsbecythrinCrackdownDeltagranStrickerSuspendZorcisNew MusigieK-OthrineK-ObiolPhagase 1DeltacideGlossinex 200ButossNrdc 161Decis 0.5ULVDecis 1.5ULV

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:4388
ChEMBL:CHEMBL1593566
EPA DTXSID:DTXSID8020381
PubMed:40976440
PubMed:40569082
PubMed:40120660
PubMed:40058615
PubMed:39971138
PubMed:39961078
PubMed:38040083
PubMed:37019170
PubMed:36053783
PubMed:35741090
PubMed:35715053
PubMed:35678313

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

Official European Commission record

CosIng substance ID: 55724
Published in the Official Journal: Yes
Recorded by the Commission: 2023-05-22

Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for DELTA-METHRIN

INCI name

DELTA-METHRIN

Record provenance

Inventory reference: cosing-live-55724
Imported identity: DELTA-METHRIN
Source update: 2023-05-22

European Commission CosIng source notes

Annex records for DELTA-METHRIN

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Key data

CAS

52918-63-5

258-256-6

Restriction

ban substances that deplete the ozone layer

Function

FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#8310 · DELTA-METHRIN

Records sharing a CAS or EC identity

DELTAMETHRIN

Ingredients with overlapping formulation functions

DECENONEFRAGRANCE; FLAVOURING

DECYL ALCOHOLFRAGRANCE, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCO…

DELTA-DAMASCONEFRAGRANCE, PERFUMING

DELTA-DECALACTONEFRAGRANCE, PERFUMING

DENATONIUM BENZOATEDENATURANT, FRAGRANCE

DIACETONE ALCOHOLFRAGRANCE, SOLVENT

DIANTHUS CARYOPHYLLUS FLOWER EXTRACTFRAGRANCE, PERFUMING, SKIN CONDITIONING

DIANTHUS CARYOPHYLLUS FLOWER OILFRAGRANCE

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 chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How DELTA-METHRIN appears in the CosIng inventory

The CosIng inventory lists DELTA-METHRIN as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DELTA-METHRIN is also tagged with 2 cosmetic functions 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

DELTA-METHRIN is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

The restriction field for DELTA-METHRIN reads: "ban substances that deplete the ozone layer". 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, DELTA-METHRIN carries the following function designation(s):

CAS 52918-63-5 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 DELTA-METHRIN

This page reproduces the CosIng inventory entry for DELTA-METHRIN from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research DELTA-METHRIN 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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Tools & next steps

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