Butylated Xylenol

CAS Number
1879-09-0 (6-tert-butyl-2,4-dimethylphenol, most probable assignment โ€” verify against supplier CoA)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Insufficient data for a definitive standalone margin of safety calculation

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

No dedicated CIR monograph available; phenolic compound with moderate safety profile; CAS assignment and margin of safety status require confirmation against supplier documentation and potential read-across evaluation.

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Concern Level: Moderate

Frequently Asked Questions

Is Butylated Xylenol safe in cosmetics?

No dedicated CIR monograph available; phenolic compound with moderate safety profile; CAS assignment and margin of safety status require confirmation against supplier documentation and potential read-across evaluation. The EU classifies Butylated Xylenol as "permitted". Safety rating: MODERATE.

Is Butylated Xylenol allowed in the EU?

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

What is the Margin of Safety for Butylated Xylenol?

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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Is Butylated Xylenol in Your Products?

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