Good Cosmetic Ingredient Sensitization Data

3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL

CAS Number
67801-20-1
Function
Perfuming
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status Permitted
🇺🇸 US Status Not specifically regulated

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Sensitization Profile

Contact sensitization data for 3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
IFRA Restricted

Source: EU 2023/1545; SCCS

Expert Verdict

3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL is listed in the EU CosIng database with functions: Perfuming It is permitted in the EU without specific restrictions.

⚠️
Concern Level: Low

Regulatory Flags

cosing-sourced eu-permitted fragrance needs-enrichment ifra_fragrance

Frequently Asked Questions

Is 3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL safe in cosmetics?

3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL is listed in the EU CosIng database with functions: Perfuming It is permitted in the EU without specific restrictions. The EU classifies 3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL as "Permitted". Safety rating: GOOD.

Is 3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL allowed in the EU?

3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL EU regulatory status: Permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL do in cosmetics?

3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL functions as: Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 67801-20-1.

Compliance Tools

Check 3-METHYL-5-(2,2,3-TRIMETHYL-3-CYCLOPENTENYL)PENT-4-EN-2-OL compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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