Is Trideceth-3 safe in cosmetics?
Trideceth-3 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Trideceth-3
INCI: TRIDECETH-3
Trideceth-3 (CAS 4403-12-7 (defined compound); 24938-91-8 / 69011-36-5 (generic polymer CAS)) is a cosmetic cosmetic ingredient functioning as Surfactant – emulsifying (low HLB ~8, W/O co-emulsifier). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
4403-12-7 (defined compound); 24938-91-8 / 69011-36-5 (generic polymer CAS)
View industrial chemical safety profile →
Function
Surfactant – emulsifying (low HLB ~8, W/O co-emulsifier)
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No restriction; permitted as indirect food additive; CIR-safe as used
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trideceth-3.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
emulsion_hlb
{"hlb_value": "7.5", "hlb_required_as_emulsifier": "yes", "emulsifier_type": "w_o", "critical_packing_parameter": "0.38-0.58", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "sorbitan_stearate", "optimal_oil_phase_pct": "48-75", "optimal_water_phase_pct": "25-52", "electrolyte_tolerance": "moderate", "pH_emulsion_stability_range": "4.5-10.0", "viscosity_building…
Expert Verdict
Expert safety assessment and concern-level summary for Trideceth-3.
Frequently Asked Questions
Is Trideceth-3 allowed in the EU?
Trideceth-3 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trideceth-3 do in cosmetics?
Trideceth-3 functions as: Surfactant – emulsifying (low HLB ~8, W/O co-emulsifier). It is classified as a cosmetic ingredient in our database. CAS number: 4403-12-7 (defined compound); 24938-91-8 / 69011-36-5 (generic polymer CAS).
Compliance Tools
Check Trideceth-3 compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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