Is Isotridecyl Phosphate safe in cosmetics?
Isotridecyl Phosphate has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Isotridecyl Phosphate
Also known as: Beycostat A 130, Phoslex A 13, Acide phosphorique, ester d'isotridecyle, Phosphorsaure, Isotridecylester, acido fosforico, isotridecil ester (+2 more)
INCI: ISOTRIDECYL PHOSPHATE
Isotridecyl Phosphate (CAS 52933-07-0) is a cosmetic cosmetic ingredient functioning as Surfactant - Cleansing; Surfactant - Emulsifying. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 52933-07-0 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Isotridecyl Phosphate is classified GHS Danger (H315, H318, H411) in the chemicals database but is restricted in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Surfactant - Cleansing; Surfactant - Emulsifying
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
11-methyldodecan-1-ol;phosphoric acid
InChIKey
BZZRUHJGDOBTJL-UHFFFAOYSA-N
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Allowed - no specific prohibition or restriction under 21 CFR for cosmetic use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isotridecyl Phosphate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Emulsifier
Surfactant (surface active agent)
Expert Verdict
Expert safety assessment and concern-level summary for Isotridecyl Phosphate.
Known Synonyms
Beycostat A 130
Phoslex A 13
Acide phosphorique, ester d'isotridecyle
Phosphorsaure, Isotridecylester
acido fosforico, isotridecil ester
EINECS No.: 258-261-3
Phosphoric acid isotridecyl ester
Chemical Function
Surfactant (surface active agent)
Emulsifier
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Isotridecyl Phosphate allowed in the EU?
Isotridecyl Phosphate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isotridecyl Phosphate do in cosmetics?
Isotridecyl Phosphate functions as: Surfactant - Cleansing; Surfactant - Emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 52933-07-0.
Is Isotridecyl Phosphate used outside cosmetics?
Isotridecyl Phosphate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Isotridecyl Phosphate have different safety status in cosmetics vs industrial chemicals?
Isotridecyl Phosphate is classified GHS Danger (H315, H318, H411) in the chemicals database but is restricted in EU cosmetics.
Compliance Tools
Check Isotridecyl Phosphate 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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