Is Sodium C16-20 Alkyl Sulfate safe in cosmetics?
Sodium C16-20 Alkyl Sulfate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Sodium C16-20 Alkyl Sulfate
Also known as: EINECS 293-917-2
INCI: SODIUM C16-20 ALKYL SULFATE
Sodium C16-20 Alkyl Sulfate (CAS 91648-55-4) is a cosmetic cosmetic ingredient functioning as Emulsifier, foaming agent, surfactant (cleansing). NOAEL 201.28 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 91648-55-4 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Sodium C16-20 Alkyl Sulfate is classified GHS Danger (H315, H318, H319, H335, 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
Emulsifier, foaming agent, surfactant (cleansing)
Safety Rating
GOOD
Chemistry & Identifiers
EC Number
293-917-2
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR assessed sodium cetearyl sulfate and related alkyl sulfates as safe in present practices of use and concentration
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 C16-20 Alkyl Sulfate.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Sodium C16-20 Alkyl Sulfate 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
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Cleaning agent
Emulsifier
Foamant
Surfactant (surface active agent)
Expert Verdict
Expert safety assessment and concern-level summary for Sodium C16-20 Alkyl Sulfate.
Known Synonyms
EINECS 293-917-2
Chemical Function
Surfactant (surface active agent)
Emulsifier
Cleaning agent
Foamant
Frequently Asked Questions
Is Sodium C16-20 Alkyl Sulfate allowed in the EU?
Sodium C16-20 Alkyl Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium C16-20 Alkyl Sulfate do in cosmetics?
Sodium C16-20 Alkyl Sulfate functions as: Emulsifier, foaming agent, surfactant (cleansing). It is classified as a cosmetic ingredient in our database. CAS number: 91648-55-4.
Is Sodium C16-20 Alkyl Sulfate used outside cosmetics?
Sodium C16-20 Alkyl 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 C16-20 Alkyl Sulfate have different safety status in cosmetics vs industrial chemicals?
Sodium C16-20 Alkyl Sulfate is classified GHS Danger (H315, H318, H319, H335, H412) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check Sodium C16-20 Alkyl 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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