Pentanedione

INCI: PENTANEDIONE

CAS Number
600-14-6
Function
Fragrance / Masking
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes NIOSH alert issued for inhalation exposure in occupational settings; no specific FDA cosmetic ban but flagged

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.

Expert Verdict

Structurally analogous to diacetyl; causes bronchiolitis obliterans via inhalation; NIOSH occupational exposure alerts issued; acutely hazardous to respiratory epithelium. Avoid in spray, aerosol, or inhalable product formats; robust inhalation risk assessment essential for CPSR sign-off even in leave-on products.

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Concern Level: High

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Pentanedione safe in cosmetics?

Structurally analogous to diacetyl; causes bronchiolitis obliterans via inhalation; NIOSH occupational exposure alerts issued; acutely hazardous to respiratory epithelium. Avoid in spray, aerosol, or inhalable product formats; robust inhalation risk assessment essential for CPSR sign-off even in leave-on products. The EU classifies Pentanedione as "permitted". Safety rating: POOR.

Is Pentanedione allowed in the EU?

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

What does Pentanedione do in cosmetics?

Pentanedione functions as: Fragrance / Masking. It is classified as a cosmetic ingredient in our database. CAS number: 600-14-6.

What is the Margin of Safety for Pentanedione?

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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