L-Beta-Pinene

INCI: L-BETA-PINENE

CAS Number
18172-67-3 for (1S,5S)-(−)-β-pinene (the Aurochemicals INCI statement references CAS 127-91-3 for beta-pinene generally)
Function
Fragrance
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Allowed - no specific prohibition

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

Potential skin sensitizer, particularly when oxidized; RIFM safety assessment established a skin sensitization NESIL of 7,200 μg/cm² and predicted skin absorption of 10%. Bicyclic monoterpene; woody/piney/resinous scent; commonly co-occurs with alpha-pinene in conifer essential oils; the (1S,5S) levorotatory enantiomer

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is L-Beta-Pinene safe in cosmetics?

Potential skin sensitizer, particularly when oxidized; RIFM safety assessment established a skin sensitization NESIL of 7,200 μg/cm² and predicted skin absorption of 10%. Bicyclic monoterpene; woody/piney/resinous scent; commonly co-occurs with alpha-pinene in conifer essential oils; the (1S,5S) levorotatory enantiomer The EU classifies L-Beta-Pinene as "restricted". Safety rating: MODERATE.

Is L-Beta-Pinene allowed in the EU?

L-Beta-Pinene EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does L-Beta-Pinene do in cosmetics?

L-Beta-Pinene functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 18172-67-3 for (1S,5S)-(−)-β-pinene (the Aurochemicals INCI statement references CAS 127-91-3 for beta-pinene generally).

What is the Margin of Safety for L-Beta-Pinene?

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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