PEG-15 Stearyl Ether

Also known as: Poly(oxy-1,2-ethanediyl), alpha-octadecyl-omega-hydroxy-, Brij S2, 1-Octadecanol, monoether with polyethylene glycol, Poly(oxy-1,2-ethanediyl), .alpha.-octadecyl-.omega.-hydroxy-, alpha-Alkyl-omega-hydroxypoly(oxypropylene) and/or poly(oxyethylene) polymers where the alkyl chain contains a minimum of six carbons, minimum number average molecular weight (in amu) 1,100 (+14 more)

INCI: PEG-15 STEARYL ETHER

PEG-15 Stearyl Ether (CAS 9005-00-9) is a cosmetic cosmetic ingredient functioning as Emulsifying, Skin conditioning, Surfactant. 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 9005-00-9 →

Auto-generated CPSR Part A draft with source citations
Function
Emulsifying, Skin conditioning, Surfactant
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C20H42O2
MW
314.5 g/mol
EC Number
500-017-8
PubChem CID
75050
IUPAC Name
2-octadecoxyethanol
InChIKey
ICIDSZQHPUZUHC-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR assessed; safe as used in cosmetics when formulated non-irritating; avoid on damaged skin

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for PEG-15 Stearyl Ether.

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
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Cleaning agent Defoamer Emulsifier Solubility enhancer Surfactant (surface active agent) Wetting agent (non-aqueous)
Regulatory List Membership (3)
EU Restricted for Children (Cosmetics) EPA Safer Chemical Ingredients List (SCIL) FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for PEG-15 Stearyl Ether.

Regulatory Flags

peg-compound ethoxylated avoid-damaged-skin eu_children_restricted epa_safer_alternative

Known Synonyms

Poly(oxy-1,2-ethanediyl), alpha-octadecyl-omega-hydroxy- Brij S2 1-Octadecanol, monoether with polyethylene glycol Poly(oxy-1,2-ethanediyl), .alpha.-octadecyl-.omega.-hydroxy- alpha-Alkyl-omega-hydroxypoly(oxypropylene) and/or poly(oxyethylene) polymers where the alkyl chain contains a minimum of six carbons, minimum number average molecular weight (in amu) 1,100 Polyethylene glycol stearyl ether Brij 72 A 20 Stearyl alcohol EO Stearyl alcohol ethylene oxide Stereal alcohol EO UNII-L0Q8IK9E08 UNII-36ALR4705B UNII-4OH5W9UM87 UNII-51J36A59E0 UNII-9059AI827W UNII-53J3F32P58 UNII-5776GCL1DG UNII-P179NA677N

Chemical Function

Surfactant (surface active agent) Emulsifier

Regulatory Lists

Indirect additives food contact (10/2018) inert_ingredient; non_food_use; Pesticides inert_ingredient; Pesticides SCIL (9/2019) Europe; Personal care - body hygiene - hand soap children; Europe; Personal care children; Europe; Personal care Europe; Personal care - liniment children; Europe; Personal care children; Europe; Personal care - dental care - toothpaste

Australian Status

AICIS status: listed

Frequently Asked Questions

Is PEG-15 Stearyl Ether safe in cosmetics?

PEG-15 Stearyl Ether has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is PEG-15 Stearyl Ether allowed in the EU?

PEG-15 Stearyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-15 Stearyl Ether do in cosmetics?

PEG-15 Stearyl Ether functions as: Emulsifying, Skin conditioning, Surfactant. It is classified as a cosmetic ingredient in our database. CAS number: 9005-00-9.

Is PEG-15 Stearyl Ether used outside cosmetics?

PEG-15 Stearyl Ether also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does PEG-15 Stearyl Ether have different safety status in cosmetics vs industrial chemicals?

PEG-15 Stearyl Ether is classified GHS Danger (H302, H315, H318, H400, H411, H312, H332) in the chemicals database but is allowed in EU cosmetics.

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