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InventoryRef 3534106/08/2020

METHYLISOTHIAZOLINONE

2-Methyl-2H-isothiazol-3-one

METHYLISOTHIAZOLINONE is linked to 2 EU annex records on this page. Inventory note: V/57 V/39.

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Inventory details for METHYLISOTHIAZOLINONE

INCI name

METHYLISOTHIAZOLINONE

Description

2-Methyl-2H-isothiazol-3-one

Key data

CAS
2682-20-4
EC
220-239-6
Restriction
V/57 V/39
Function
PRESERVATIVE

How METHYLISOTHIAZOLINONE appears in the CosIng inventory

The CosIng inventory lists METHYLISOTHIAZOLINONE as a cosmetic ingredient and this page links it to 2 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.

METHYLISOTHIAZOLINONE 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

METHYLISOTHIAZOLINONE 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 METHYLISOTHIAZOLINONE reads: "V/57 V/39". 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, METHYLISOTHIAZOLINONE carries the following function designation(s):

CAS 2682-20-4 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 METHYLISOTHIAZOLINONE

This page combines the CosIng inventory entry for METHYLISOTHIAZOLINONE with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research METHYLISOTHIAZOLINONE 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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