Xanthopterin

INCI: XANTHOPTERIN

CAS Number
119-44-8 (anhydrous); 5979-01-1 (monohydrate)
Function
Skin conditioning
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically regulated; FDA UNII: V66551EU1R

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

GHS07 Warning โ€” H302 (harmful if swallowed), H315 (skin irritation), H320 (eye irritation), H335 (respiratory irritation) ; primarily a biochemical research compound; very limited cosmetic-specific safety data; hygroscopic and air-sensitive

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Concern Level: Moderate

Frequently Asked Questions

Is Xanthopterin safe in cosmetics?

GHS07 Warning โ€” H302 (harmful if swallowed), H315 (skin irritation), H320 (eye irritation), H335 (respiratory irritation) ; primarily a biochemical research compound; very limited cosmetic-specific safety data; hygroscopic and air-sensitive The EU classifies Xanthopterin as "permitted". Safety rating: MODERATE.

Is Xanthopterin allowed in the EU?

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

What does Xanthopterin do in cosmetics?

Xanthopterin functions as: Skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 119-44-8 (anhydrous); 5979-01-1 (monohydrate).

What is the Margin of Safety for Xanthopterin?

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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