Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
- beauty
- cleaning
- industrial
2,4,7,9-Tetramethyl-5-decyne-4,7-diol
Alkyne alcohols, their esters, ethers and salts is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — banned
Concern score
100/100Critical concern based on regulatory listings.
Well researched
How we scored this
This score describes the ingredient's chemical identity — its hazard profile from the published classifications and regulatory status below — not the safety of any product it appears in. Ingredients we have no hazard signal for are labelled “Not assessed” rather than scored.
Concern score 100/100 (critical) · high confidence.
Regional restrictions
- EU — banned · Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
Where it appears
Prevalence of 2,4,7,9-Tetramethyl-5-decyne-4,7-diol in our catalog (epa_cpdat).
Products
51
Brands
6
Raw materialsHome maintenanceIndustrial productsCleaning and safetyCleaning products and household care
Typical roles
Cleaning agentDefoamerNo specific technical functionSurfactant (surface active agent)Wetting agent (non-aqueous)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Evidence
No graded sources yet for 2,4,7,9-Tetramethyl-5-decyne-4,7-diol. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Regulatory status
Restrictions first, then routine listings from published regulatory sources.
- View source →banned
EUEC
Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
USEPAcommercial use observedEPA CPDat observed this chemical in 51 composition records across product categories including Raw materials, Home maintenance, Industrial products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Cleaning agent, No specific technical function.
- EPA CPDat observed this chemical in 51 composition records across product categories including Raw materials, Home maintenance, Industrial products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Cleaning agent, No specific technical function.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →