Moderate Cosmetic Ingredient GHS Classified

Butyraldehyde

INCI: BUTYRALDEHYDE

CAS Number
123-72-8
Function
Fragrance
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Limited data for cosmetic dermal exposure. MoS not formally calculated.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Signal Word
DANGER
Pictograms
flam;flame; excl mark;warn
Hazard Statements
Highly flammable liquid and vapour May be harmful if swallowed or in contact with skin Causes serious eye irritation Harmful to aquatic life
Short-term Exposure Effects
The substance is irritating to the eyes, skin and respiratory tract.
Routes of Exposure
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Expert Verdict

Highly flammable (flash point −12 °C) with skin and eye irritant properties. Typical fragrance compound use at low ppm in compositions, but standalone dermal safety data is sparse. CPSR should include irritation threshold justification.

⚠️
Concern Level: Moderate

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Butyraldehyde safe in cosmetics?

Highly flammable (flash point −12 °C) with skin and eye irritant properties. Typical fragrance compound use at low ppm in compositions, but standalone dermal safety data is sparse. CPSR should include irritation threshold justification. The EU classifies Butyraldehyde as "prohibited". Safety rating: MODERATE.

Is Butyraldehyde allowed in the EU?

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

What does Butyraldehyde do in cosmetics?

Butyraldehyde functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 123-72-8.

What is the Margin of Safety for Butyraldehyde?

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.

Is Butyraldehyde classified as hazardous under GHS?

Butyraldehyde carries a GHS signal word of "DANGER". Hazard statements: Highly flammable liquid and vapour May be harmful if swallowed or in contact with skin Causes serious eye irritation Harmful to aquatic life. This classification is based on the ILO/WHO International Chemical Safety Card and ECHA C&L inventory data. Note: GHS classification applies to the pure substance — at cosmetic use concentrations, hazard thresholds may not be met.

Compliance Tools

Check Butyraldehyde compliance across multiple jurisdictions:

🔬
Ingredient Decoder
Paste a full ingredient list for instant analysis
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82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
 ⚗️
Heavy Metal Limits
Compare limits across jurisdictions

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