Is C12-13 Pareth-9 safe in cosmetics?
C12-13 Pareth-9 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
C12-13 Pareth-9
Also known as: Ethoxylated C12-13 alcohols, Dobanol 23-2, UNII-DMC6N3419L, UNII-J1WW1510L4, UNII-85HXF022PZ (+6 more)
INCI: C12-13 PARETH-9
C12-13 Pareth-9 (CAS 66455-14-9) is a cosmetic cosmetic ingredient functioning as Surfactant – emulsifying agent. NOAEL 500 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. 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 66455-14-9 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
C12-13 Pareth-9 is classified GHS Danger (H318, H319, H400, H410, H412) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Surfactant – emulsifying agent
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Acceptable — within CIR group MoS range (113 to >2,600)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for C12-13 Pareth-9.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for C12-13 Pareth-9 across SCCS product categories, with measured dermal absorption where available.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
No longer valid
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Cleaning agent
Emulsifier
Fragrance
Softener and conditioner
Stabilizing agent
Surfactant (surface active agent)
Wetting agent (non-aqueous)
Regulatory List Membership (2)
IFRA Fragrance Transparency List
EPA Safer Chemical Ingredients List (SCIL)
Expert Verdict
Expert safety assessment and concern-level summary for C12-13 Pareth-9.
Regulatory Flags
epa_safer_alternative
ifra_fragrance
Known Synonyms
Ethoxylated C12-13 alcohols
Dobanol 23-2
UNII-DMC6N3419L
UNII-J1WW1510L4
UNII-85HXF022PZ
UNII-P30F471M6B
UNII-1IY25M78B0
UNII-54GZL0KEHO
UNII-5G4G194E52
UNII-9BXD858P37
UNII-OA30T58A6N
Chemical Function
Surfactant (surface active agent)
Regulatory Lists
IFRA Transparency
SCIL (9/2019)
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is C12-13 Pareth-9 allowed in the EU?
C12-13 Pareth-9 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does C12-13 Pareth-9 do in cosmetics?
C12-13 Pareth-9 functions as: Surfactant – emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: 66455-14-9.
Is C12-13 Pareth-9 used outside cosmetics?
C12-13 Pareth-9 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does C12-13 Pareth-9 have different safety status in cosmetics vs industrial chemicals?
C12-13 Pareth-9 is classified GHS Danger (H318, H319, H400, H410, H412) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check C12-13 Pareth-9 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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