Is Sodium Isostearoyl Lactylate safe in cosmetics?
Sodium Isostearoyl Lactylate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Sodium Isostearoyl Lactylate
Also known as: EINECS 266-533-8, UNII-8730J0D3EV
INCI: SODIUM ISOSTEAROYL LACTYLATE
Sodium Isostearoyl Lactylate (CAS 66988-04-3) is a cosmetic cosmetic ingredient functioning as Emulsifier, skin conditioning agent. NOAEL 250 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 66988-04-3 →
Auto-generated CPSR Part A draft with source citations
Function
Emulsifier, skin conditioning agent
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
sodium 2-[2-(16-methylheptadecanoyloxy)propanoyloxy]propanoate
InChIKey
FOSNFLMXYRQNAF-UHFFFAOYSA-M
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; CIR reviewed alkanoyl lactyl lactate salts—safe in present practices when formulated to be nonirritating and nonsensitizing
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 Isostearoyl Lactylate.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Sodium Isostearoyl Lactylate 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
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Emulsifier
Processing aids not otherwise specified
Surfactant (surface active agent)
Expert Verdict
Expert safety assessment and concern-level summary for Sodium Isostearoyl Lactylate.
Known Synonyms
EINECS 266-533-8
UNII-8730J0D3EV
Chemical Function
Surfactant (surface active agent)
Emulsifier
Processing aids not otherwise specified
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Sodium Isostearoyl Lactylate allowed in the EU?
Sodium Isostearoyl Lactylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium Isostearoyl Lactylate do in cosmetics?
Sodium Isostearoyl Lactylate functions as: Emulsifier, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 66988-04-3.
Is Sodium Isostearoyl Lactylate used outside cosmetics?
Sodium Isostearoyl Lactylate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Sodium Isostearoyl Lactylate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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