Ceteareth-4 Phosphate

INCI: CETEARETH-4 PHOSPHATE

CAS Number
Not individually assigned in CosIng (no dedicated CAS). Note: Triceteareth-4 Phosphate = 119415-05-3
Function
Cleansing; surfactant
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not individually listed in CIR review; safety supported by structural analogy to Ceteareth-4 and phosphate ester chemistry.

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

Prohibited in EU due to 1,4-dioxane residue from ethoxylation and limited standalone safety data; may require supporting justification in CPSR. Permitted in US based on structural analogy to Ceteareth-4 and phosphate ester chemistry.

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Concern Level: Moderate

Frequently Asked Questions

Is Ceteareth-4 Phosphate safe in cosmetics?

Prohibited in EU due to 1,4-dioxane residue from ethoxylation and limited standalone safety data; may require supporting justification in CPSR. Permitted in US based on structural analogy to Ceteareth-4 and phosphate ester chemistry. The EU classifies Ceteareth-4 Phosphate as "prohibited". Safety rating: MODERATE.

Is Ceteareth-4 Phosphate allowed in the EU?

Ceteareth-4 Phosphate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteareth-4 Phosphate do in cosmetics?

Ceteareth-4 Phosphate functions as: Cleansing; surfactant. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned in CosIng (no dedicated CAS). Note: Triceteareth-4 Phosphate = 119415-05-3.

What is the Margin of Safety for Ceteareth-4 Phosphate?

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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