Is Cetyl Phosphate safe in cosmetics?
Cetyl Phosphate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Cetyl Phosphate
Also known as: EINECS 222-581-1, UNII-VT07D6X67O
INCI: CETYL PHOSPHATE
Cetyl Phosphate (CAS 3539-43-3) is a cosmetic uv filter / sunscreen functioning as UV Filter. EU Regulation 1223/2009 status: permitted, max 6%. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 3539-43-3 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Cetyl Phosphate is classified GHS Danger (H315, H318) in the chemicals database but is allowed in EU cosmetics at max 6%.
Source: Cosmetics: ingredients.eu_status/eu_max; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
UV Filter
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
EU Max Conc.
6%
US US Status
permitted
US Notes
CIR: SQ - IJT 38(S2):12-32,2019
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Cetyl Phosphate.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Additional Ingredient Properties
3 property records from structured ingredient metadata.
emulsion_hlb
{"hlb_required_as_emulsifier": "yes", "emulsifier_type": "o_w", "critical_packing_parameter": "0.25-0.38", "emulsion_stabilization_mechanism": "electrostatic_steric", "co_emulsifier_pairs": "cetyl_alcohol,sodium_hydroxide", "optimal_oil_phase_pct": "8-22", "optimal_water_phase_pct": "78-92", "electrolyte_tolerance": "very_low", "pH_emulsion_stability_range": "6.0-9.5", "viscosity_building_contribu…
sensory
{"silky": "waxy", "smooth, glides easily": "smooth, emulsifies", "dry-touch, non-greasy": "soft, conditioned", "instant": "moderate", "low": "high", "w/o": "o/w", "very-high": "moderate", "no": "yes", "yes": "no", "light-diffusing": "matte", "1.40": "1.45", "transparent": "opaque", "colorless": "white", "excellent": "fair", "light": "medium", "synthetic": "synthetic"}
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "hlb_value": "7.0", "soluble_in": "oils, ethanol", "insoluble_in": "water", "log_p": "3.5", "melting_point_c": "55-60", "appearance": "white powder", "source": "Jeen International"}
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Emulsifier
Surfactant (surface active agent)
Expert Verdict
Expert safety assessment and concern-level summary for Cetyl Phosphate.
Known Synonyms
EINECS 222-581-1
UNII-VT07D6X67O
Chemical Function
Surfactant (surface active agent)
Emulsifier
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Compound
HEXADECYL DIHYDROGEN PHOSPHATE
ChEMBL ID
CHEMBL479322
Frequently Asked Questions
Is Cetyl Phosphate allowed in the EU?
Cetyl Phosphate EU regulatory status: permitted. Maximum allowed concentration: 6%. This is based on EU Regulation 1223/2009 and its amendments.
What does Cetyl Phosphate do in cosmetics?
Cetyl Phosphate functions as: UV Filter. It is classified as a UV Filter / Sunscreen in our database. CAS number: 3539-43-3.
Is Cetyl Phosphate used outside cosmetics?
Cetyl Phosphate also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Cetyl Phosphate have different safety status in cosmetics vs industrial chemicals?
Cetyl Phosphate is classified GHS Danger (H315, H318) in the chemicals database but is allowed in EU cosmetics at max 6%.
Compliance Tools
Check Cetyl Phosphate compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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