Hydroxymethylheptyl Methyl Ketone

INCI: HYDROXYMETHYLHEPTYL METHYL KETONE

CAS Number
Not confirmed — structurally related to methyl heptyl ketone (CAS 821-55-6) but hydroxymethyl substitution makes it a distinct substance
Function
Fragrance / masking (ketone class)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No specific CFR restriction identified; 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

Related methyl hexyl ketone shows acute toxicity dermal and flammability concerns; hydroxymethyl substitution may alter toxicity profile and IFRA compliance status is unknown.

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Concern Level: Moderate

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Hydroxymethylheptyl Methyl Ketone safe in cosmetics?

Related methyl hexyl ketone shows acute toxicity dermal and flammability concerns; hydroxymethyl substitution may alter toxicity profile and IFRA compliance status is unknown. The EU classifies Hydroxymethylheptyl Methyl Ketone as "permitted". Safety rating: MODERATE.

Is Hydroxymethylheptyl Methyl Ketone allowed in the EU?

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

What does Hydroxymethylheptyl Methyl Ketone do in cosmetics?

Hydroxymethylheptyl Methyl Ketone functions as: Fragrance / masking (ketone class). It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed — structurally related to methyl heptyl ketone (CAS 821-55-6) but hydroxymethyl substitution makes it a distinct substance.

What is the Margin of Safety for Hydroxymethylheptyl Methyl Ketone?

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.

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