Hexyldecanoic Acid (2-Hexyldecanoic Acid)

Also known as: Decanoic acid, 2-hexyl-, 4-02-00-01189, C16 Guerbet fatty acid, BRN 1777217, EINECS 246-885-9 (+3 more)

INCI: HEXYLDECANOIC ACID

Hexyldecanoic Acid (2-Hexyldecanoic Acid) (CAS 25354-97-6) is a cosmetic cosmetic ingredient functioning as Surfactant / skin-conditioning agent (emollient). NOAEL 1000 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 and pharmaceutical data.

View industrial chemical safety profile for CAS 25354-97-6 →

Auto-generated CPSR Part A draft with source citations
Function
Surfactant / skin-conditioning agent (emollient)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C16H32O2
MW
256.42 g/mol
EC Number
246-885-9
PubChem CID
32912
IUPAC Name
2-hexyldecanoic acid
InChIKey
JMOLZNNXZPAGBH-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — not in 21 CFR 700/250 prohibited/restricted lists

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Hexyldecanoic Acid (2-Hexyldecanoic Acid).

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Hexyldecanoic Acid (2-Hexyldecanoic Acid) 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
Cleaning agent Emulsifier Surfactant (surface active agent)

Expert Verdict

Expert safety assessment and concern-level summary for Hexyldecanoic Acid (2-Hexyldecanoic Acid).

Known Synonyms

Decanoic acid, 2-hexyl- 4-02-00-01189 C16 Guerbet fatty acid BRN 1777217 EINECS 246-885-9 7-Pentadecanecarboxylic acid 2-Hexyldecansaeure UNII-49M19XFI8B

Chemical Function

Surfactant (surface active agent) Emulsifier Cleaning agent

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
CHEMBL3182660
View full pharmaceutical profile →

Frequently Asked Questions

Is Hexyldecanoic Acid (2-Hexyldecanoic Acid) safe in cosmetics?

Hexyldecanoic Acid (2-Hexyldecanoic Acid) has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Hexyldecanoic Acid (2-Hexyldecanoic Acid) allowed in the EU?

Hexyldecanoic Acid (2-Hexyldecanoic Acid) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hexyldecanoic Acid (2-Hexyldecanoic Acid) do in cosmetics?

Hexyldecanoic Acid (2-Hexyldecanoic Acid) functions as: Surfactant / skin-conditioning agent (emollient). It is classified as a cosmetic ingredient in our database. CAS number: 25354-97-6.

Is Hexyldecanoic Acid (2-Hexyldecanoic Acid) used outside cosmetics?

Hexyldecanoic Acid (2-Hexyldecanoic Acid) 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.

Is Hexyldecanoic Acid (2-Hexyldecanoic Acid) in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Hexyldecanoic Acid (2-Hexyldecanoic Acid) in your formulation.