Is Sodium Oleth Sulfate safe in cosmetics?
Sodium Oleth Sulfate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Sodium Oleth Sulfate
Also known as: Poly(oxy-1,2-ethanediyl), alpha-sulfo-omega-((9Z)-9-octadecen-1-yloxy)-, sodium salt (1:1), Glycols, polyethylene, mono(hydrogen sulfate), 9-octadecenyl ether, sodium salt, (Z)-, 9-Octadecen-1-ol, monoether with polyethylene glycol hydrogen sulfate sodium salt, (Z)-, Sodium polyethylene glycol (1-4) oleyl ether sulfate, Sodium polyoxyethylene (1-4) oleyl ether sulfate (+1 more)
INCI: SODIUM OLETH SULFATE
Sodium Oleth Sulfate (CAS 27233-34-7) is a cosmetic cosmetic ingredient functioning as Surfactant—cleansing agent; surfactant—emulsifying agent; foaming agent. 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 27233-34-7 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Sodium Oleth Sulfate is classified GHS Danger (H315, H318) 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—cleansing agent; surfactant—emulsifying agent; foaming agent
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
disodium;1-octadec-9-enoxyoctadec-9-ene;sulfate
InChIKey
YUIBJZQCWWEQEP-UHFFFAOYSA-L
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for cosmetic use; no CIR monograph specific to this ingredient; related alkyl ether sulfates reviewed as safe when formulated to be non-irritating
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Sodium Oleth Sulfate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Cleaning agent
Emulsifier
Foamant
Surfactant (surface active agent)
Regulatory List Membership (1)
EU Restricted for Children (Cosmetics)
Expert Verdict
Expert safety assessment and concern-level summary for Sodium Oleth Sulfate.
Regulatory Flags
eu_children_restricted
Known Synonyms
Poly(oxy-1,2-ethanediyl), alpha-sulfo-omega-((9Z)-9-octadecen-1-yloxy)-, sodium salt (1:1)
Glycols, polyethylene, mono(hydrogen sulfate), 9-octadecenyl ether, sodium salt, (Z)-
9-Octadecen-1-ol, monoether with polyethylene glycol hydrogen sulfate sodium salt, (Z)-
Sodium polyethylene glycol (1-4) oleyl ether sulfate
Sodium polyoxyethylene (1-4) oleyl ether sulfate
Sodium sulfate--1-[(octadec-9-en-1-yl)oxy]octadec-9-ene (2/1/1)
Chemical Function
Surfactant (surface active agent)
Emulsifier
Cleaning agent
Foamant
Regulatory Lists
children; Europe; Personal care
children; Europe; Personal care - hair styling and care - shampoo
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Sodium Oleth Sulfate allowed in the EU?
Sodium Oleth Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium Oleth Sulfate do in cosmetics?
Sodium Oleth Sulfate functions as: Surfactant—cleansing agent; surfactant—emulsifying agent; foaming agent. It is classified as a cosmetic ingredient in our database. CAS number: 27233-34-7.
Is Sodium Oleth Sulfate used outside cosmetics?
Sodium Oleth Sulfate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Sodium Oleth Sulfate have different safety status in cosmetics vs industrial chemicals?
Sodium Oleth Sulfate is classified GHS Danger (H315, H318) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check Sodium Oleth Sulfate 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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