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Annex V Entry 35 16/10/2010

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon and its monoethanolamine salt

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine appears in Annex V as a positive-list preservative entry for EU cosmetics. Maximum concentration in this record: a) 1.0% b) 0.5%.

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Permitted preservative— Annex V, EU Regulation 1223/2009
Max conc.: a) 1.0% b) 0.5%
Entry: 35

Record details

Maximum concentration

a) 1.0% b) 0.5%

Product type

Rinse-off products Other products

INCI glossary name

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine

Chemical name

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon and its monoethanolamine salt

Regulatory information

Regulation

(EC) 2009/1223

SCCS opinions

Identified ingredients

Key data

CAS
50650-76-5 / 68890-66-4
EC
- / 272-574-2
Annex
V
Entry number
35

Inventory links for 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine

Annex III 100
Shared product type

TRICLOCARBAN

CAS: 101-20-2
EC: 202-924-1

What Annex V means for 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine is an approved preservative listed in Annex V of EU Cosmetics Regulation 1223/2009. Only substances on this positive list may be used as cosmetic preservatives in the EU.

Each preservative entry specifies maximum permitted concentrations and applicable product scope. Concentrations must not exceed the listed maximum. Some preservatives require warning statements on the product label.

This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Use concentration must not exceed: a) 1.0% b) 0.5%
  • Verify the preservative is effective at the permitted concentration for your matrix.

Frequently asked questions

Yes. 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine is listed in Annex V of EU Cosmetics Regulation 1223/2009 as a permitted preservative. It may be used in cosmetics up to the maximum concentration specified above, within the permitted product scope.

CAS 50650-76-5 / 68890-66-4 is the unique numerical identifier assigned to 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

The maximum concentration of a) 1.0% b) 0.5% applies to the concentration of the substance in the ready-to-use cosmetic product. When the substance is supplied as part of a blend or mixture, the calculation must account for the contribution of all sources in the formulation. The combined concentration must not exceed the stated limit.

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Source note for Annex V record 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine

This page summarizes one Annex V record for 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex V conditions for 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine, but confirm any final regulatory decision against the current official annex wording and source files.

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