Is Butyl Oleate safe in cosmetics?
Butyl Oleate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Butyl Oleate
Also known as: 9-Octadecenoic acid (9Z)-, butyl ester, 4-02-00-01653, Advaplast 42, BRN 1728057, n-Butyl oleate (+15 more)
INCI: BUTYL OLEATE
Butyl Oleate (CAS 142-77-8) is a cosmetic cosmetic ingredient functioning as Emollient, masking, skin conditioning. 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 and pharmaceutical data.
View industrial chemical safety profile for CAS 142-77-8 →
Auto-generated CPSR Part A draft with source citations
Function
Emollient, masking, skin conditioning
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
butyl (Z)-octadec-9-enoate
InChIKey
WIBFFTLQMKKBLZ-SEYXRHQNSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Likely adequate — supported by read-across from oleate ester class
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Butyl Oleate.
Calculate MoS for your specific formulation with the MoS Calculator.
HRIPT Human Patch Test Studies
1 human repeat insult patch test aggregated from dermatological literature.
| Test Type | N | Sensitized | Dose µg/cm² | NESIL µg/cm² | Potency |
|---|---|---|---|---|---|
| HMT | - | 0 | 6750 | - | - |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Deodorizer
Flavouring and nutrient
Lubricating agent
Plasticizer
Softener and conditioner
Regulatory List Membership (1)
FDA Indirect Food Contact Additives
Expert Verdict
Expert safety assessment and concern-level summary for Butyl Oleate.
Known Synonyms
9-Octadecenoic acid (9Z)-, butyl ester
4-02-00-01653
Advaplast 42
BRN 1728057
n-Butyl oleate
Bytyl oleate
EINECS 205-559-6
Hallco C 503
Hallco C-503 Plasticizer
Kesscoflex BO
NSC 6700
Plasthall 503
Plasthall 914
Uniflex BYO
Vinicizer 30
Wilmar Butyl Oleate
Witcizer 100
Witcizer 101
UNII-487I65419Q
1-butyl oleate
Chemical Function
Softener and conditioner
Deodorizer
Flavouring and nutrient
Plasticizer
Lubricating agent
Regulatory Lists
drinking_water; Europe; manufacturing; plastic_additive
Indirect additives food contact (10/2018)
Europe
drinking_water; Europe; manufacturing; plastic_additive
Indirect additives food contact (10/2018)
Europe
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL3183174
Frequently Asked Questions
Is Butyl Oleate allowed in the EU?
Butyl Oleate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Butyl Oleate do in cosmetics?
Butyl Oleate functions as: Emollient, masking, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 142-77-8.
Is Butyl Oleate used outside cosmetics?
Butyl Oleate also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Butyl Oleate 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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