InventoryRef 9308920/10/2015

METHYL IONONES

Q: How do I check if my formula contains METHYL IONONES?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

6-Methylionone,3-Methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one,3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one,1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)pent-1-en-3-one,1-(2,6,6-Trimethyl-2-cyclohex…

METHYL IONONES is linked to 1 EU annex record on this page.

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Inventory details for METHYL IONONES

INCI name

METHYL IONONES

Description

Annex records for METHYL IONONES

Annex III Shared CAS number

Entry 90

ALPHA-ISOMETHYL IONONE

CAS: 127-51-5

EC: 204-846-3

Key data

CAS

79-89-0,127-43-5,127-51-5,1335-46-2,7779-30-8

201-231-1,204-843-7,204-846-3,,231-926-5

Restriction

—

Function

FRAGRANCE

How METHYL IONONES appears in the CosIng inventory

The CosIng inventory lists METHYL IONONES 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.

METHYL IONONES 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

METHYL IONONES 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.

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

FRAGRANCE

CAS 79-89-0,127-43-5,127-51-5,1335-46-2,7779-30-8 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 METHYL IONONES

This page combines the CosIng inventory entry for METHYL IONONES 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 METHYL IONONES 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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