Trimethyl-4-nonanone

INCI: TRIMETHYL-4-NONANONE

CAS Number
123-18-2
Function
Perfuming / Fragrance ingredient (fruity odor profile)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use as fragrance; listed on IFRA Transparency List

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Generally considered safe at typical use levels; no specific regulatory flags; mild skin/eye irritant at high concentrations

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Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance

Frequently Asked Questions

Is Trimethyl-4-nonanone safe in cosmetics?

Generally considered safe at typical use levels; no specific regulatory flags; mild skin/eye irritant at high concentrations The EU classifies Trimethyl-4-nonanone as "permitted". Safety rating: GOOD.

Is Trimethyl-4-nonanone allowed in the EU?

Trimethyl-4-nonanone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Trimethyl-4-nonanone do in cosmetics?

Trimethyl-4-nonanone functions as: Perfuming / Fragrance ingredient (fruity odor profile). It is classified as a cosmetic ingredient in our database. CAS number: 123-18-2.

What is the Margin of Safety for Trimethyl-4-nonanone?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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