Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer

INCI: ETHYLENE/SODIUM SULFOISOPHTHALATE/TEREPHTHALATE COPOLYMER

CAS Number
Not uniquely assigned (polyester copolymer)
Function
Film former, viscosity controlling agent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not listed in 21 CFR prohibited substances

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Data gap: No CIR monograph or SCCS opinion identified; safety assessment relies on polymer class read-across. Residual sulfoisophthalic acid monomer should be specified. May require supplier-provided toxicological dossier for CPSR.

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Concern Level: Moderate

Frequently Asked Questions

Is Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer safe in cosmetics?

Data gap: No CIR monograph or SCCS opinion identified; safety assessment relies on polymer class read-across. Residual sulfoisophthalic acid monomer should be specified. May require supplier-provided toxicological dossier for CPSR. The EU classifies Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer as "permitted". Safety rating: MODERATE.

Is Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer allowed in the EU?

Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer do in cosmetics?

Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer functions as: Film former, viscosity controlling agent. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (polyester copolymer).

What is the Margin of Safety for Ethylene/Sodium Sulfoisophthalate/Terephthalate Copolymer?

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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