Is Butyl Octanoate safe in cosmetics?
Butyl Octanoate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Butyl Octanoate
Also known as: Octanoic acid, butyl ester, Butyl caprylate, EINECS 209-659-0, NSC 23740, n-Butyl octanoate (+1 more)
INCI: BUTYL OCTANOATE
Butyl Octanoate (CAS 589-75-3) is a cosmetic cosmetic ingredient functioning as Emollient, 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 data.
View industrial chemical safety profile for CAS 589-75-3 →
Auto-generated CPSR Part A draft with source citations
Function
Emollient, skin conditioning
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
butyl octanoate
InChIKey
PSXNDMJWRZYVTM-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Likely adequate — read-across data supportive, but no direct MoS calculation published
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 Octanoate.
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 | 1350 | - | - |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Flavouring and nutrient
Fragrance
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Expert Verdict
Expert safety assessment and concern-level summary for Butyl Octanoate.
Regulatory Flags
ifra_fragrance
Known Synonyms
Octanoic acid, butyl ester
Butyl caprylate
EINECS 209-659-0
NSC 23740
n-Butyl octanoate
n-Butylcaprylate
Chemical Function
Fragrance
Flavouring and nutrient
Regulatory Lists
IFRA Transparency
Europe
IFRA Transparency
Europe
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Butyl Octanoate allowed in the EU?
Butyl Octanoate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Butyl Octanoate do in cosmetics?
Butyl Octanoate functions as: Emollient, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 589-75-3.
Is Butyl Octanoate used outside cosmetics?
Butyl Octanoate 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 Butyl Octanoate compliance across multiple jurisdictions:
Ingredient Decoder
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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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