Aluminum Triphosphate

INCI: ALUMINUM TRIPHOSPHATE

CAS Number
13939-25-8 (also referenced as 7784-30-7 for aluminum phosphate; the "tri" form is specifically 13939-25-8)
Function
Anticorrosion agent, opacifying agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; no specific FDA cosmetic restriction. Aluminum phosphates are FDA GRAS for food use.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Very limited cosmetic use data; inhalation of fine particles should be controlled. Primarily used in industrial anticorrosion coatings—confirm cosmetic-grade purity if sourcing for personal care.

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Concern Level: Moderate

Frequently Asked Questions

Is Aluminum Triphosphate safe in cosmetics?

Very limited cosmetic use data; inhalation of fine particles should be controlled. Primarily used in industrial anticorrosion coatings—confirm cosmetic-grade purity if sourcing for personal care. The EU classifies Aluminum Triphosphate as "permitted". Safety rating: GOOD.

Is Aluminum Triphosphate allowed in the EU?

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

What does Aluminum Triphosphate do in cosmetics?

Aluminum Triphosphate functions as: Anticorrosion agent, opacifying agent. It is classified as a cosmetic ingredient in our database. CAS number: 13939-25-8 (also referenced as 7784-30-7 for aluminum phosphate; the "tri" form is specifically 13939-25-8).

What is the Margin of Safety for Aluminum Triphosphate?

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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