What does the restriction note for 4,6-DIMETHYL-PYRAN-2-ONE mean?

The restriction field for 4,6-DIMETHYL-PYRAN-2-ONE reads: II/1389. 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 675-09-2?

CAS 675-09-2 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.

InventoryRef 3924430/07/2020

4,6-DIMETHYL-PYRAN-2-ONE

Q: How do I check if my formula contains 4,6-DIMETHYL-PYRAN-2-ONE?

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4,6-Dimethyl-2H-pyran-2-one

4,6-DIMETHYL-PYRAN-2-ONE is linked to 1 EU annex record on this page. Inventory note: II/1389.

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Inventory details for 4,6-DIMETHYL-PYRAN-2-ONE

INCI name

4,6-DIMETHYL-PYRAN-2-ONE

Description

4,6-Dimethyl-2H-pyran-2-one

Annex records for 4,6-DIMETHYL-PYRAN-2-ONE

Annex II Restriction reference

Entry 1389

Dichloromethane; methylene chloride

CAS: 75-09-2

EC: 200-838-9

Key data

CAS

675-09-2

211-618-7

Restriction

II/1389

Function

PERFUMING

How 4,6-DIMETHYL-PYRAN-2-ONE appears in the CosIng inventory

The CosIng inventory lists 4,6-DIMETHYL-PYRAN-2-ONE 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.

4,6-DIMETHYL-PYRAN-2-ONE 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

4,6-DIMETHYL-PYRAN-2-ONE 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 4,6-DIMETHYL-PYRAN-2-ONE reads: "II/1389". 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, 4,6-DIMETHYL-PYRAN-2-ONE carries the following function designation(s):

PERFUMING

CAS 675-09-2 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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Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for 4,6-DIMETHYL-PYRAN-2-ONE

This page combines the CosIng inventory entry for 4,6-DIMETHYL-PYRAN-2-ONE 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 4,6-DIMETHYL-PYRAN-2-ONE 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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