Beta-Santalyl Butyrate

CAS Number
67633-98-1
Function
Fragrance
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted in cosmetics. Not separately GRAS-listed (not reported as food flavoring)

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Hydrolysis liberates ฮฒ-santalol (established contact allergen) with indirect sensitization risk at high concentrations. No genotoxicity concern; EFSA concluded santalyl esters safe. Reproductive/developmental data not available.

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is Beta-Santalyl Butyrate safe in cosmetics?

Hydrolysis liberates ฮฒ-santalol (established contact allergen) with indirect sensitization risk at high concentrations. No genotoxicity concern; EFSA concluded santalyl esters safe. Reproductive/developmental data not available. The EU classifies Beta-Santalyl Butyrate as "permitted". Safety rating: GOOD.

Is Beta-Santalyl Butyrate allowed in the EU?

Beta-Santalyl Butyrate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Beta-Santalyl Butyrate do in cosmetics?

Beta-Santalyl Butyrate functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 67633-98-1.

What is the Margin of Safety for Beta-Santalyl Butyrate?

adequate 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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