Hydroxynonanone

INCI: HYDROXYNONANONE

CAS Number
Not confirmed from available sources
Function
Fragrance / skin conditioning (hydroxyl ketone)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No specific CFR restriction; no CIR review

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Hydroxylated ketone that can undergo metabolic oxidation with no publicly available NOAEL/LOAEL safety data.

โš ๏ธ
Concern Level: Moderate

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Hydroxynonanone safe in cosmetics?

Hydroxylated ketone that can undergo metabolic oxidation with no publicly available NOAEL/LOAEL safety data. The EU classifies Hydroxynonanone as "permitted". Safety rating: MODERATE.

Is Hydroxynonanone allowed in the EU?

Hydroxynonanone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydroxynonanone do in cosmetics?

Hydroxynonanone functions as: Fragrance / skin conditioning (hydroxyl ketone). It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed from available sources.

What is the Margin of Safety for Hydroxynonanone?

not established 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.

๐Ÿ“ฑ

Is Hydroxynonanone in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Hydroxynonanone in your formulation.