Excellent Cosmetic Ingredient NOAEL Data

Tricaprylin

Also known as: Octanoic acid triglyceride, Octanoic acid, 1,2,3-propanetriyl ester, Glycerin tricaprylate, Trioctanoin, 4-02-00-00991 (+14 more)

INCI: TRICAPRYLIN (GLYCEROL TRIOCTANOATE)

Tricaprylin (CAS 538-23-8) is a cosmetic cosmetic ingredient functioning as Emollient, moisturizing, skin conditioning, skin protecting, smoothing, solvent. Reported NOAEL =1908 mg/kg bw/day in Rat (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 538-23-8 →

Auto-generated CPSR Part A draft with source citations
Function
Emollient, moisturizing, skin conditioning, skin protecting, smoothing, solvent
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C27H50O6
MW
470.7 g/mol
EC Number
208-686-5
PubChem CID
10850
IUPAC Name
2,3-di(octanoyloxy)propyl octanoate
InChIKey
VLPFTAMPNXLGLX-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted; CIR assessed safe; GRAS food substance

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tricaprylin.

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Toxicological Studies

2 study endpoints found for Tricaprylin. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =1908 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID
NOAEL =4770 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Deodorizer Fragrance Humectant Softener and conditioner Solvent
Regulatory List Membership (4)
EU Regulated in Personal Care EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Tricaprylin.

Regulatory Flags

eu_children_restricted ifra_fragrance

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Tricaprylin by CAS number or substance name.

Studies
2
Lowest NOAEL
1908 mg/kg bw/day
Highest NOAEL
4770 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

Octanoic acid triglyceride Octanoic acid, 1,2,3-propanetriyl ester Glycerin tricaprylate Trioctanoin 4-02-00-00991 BRN 1717202 EINECS 208-686-5 Maceight Panacete 800 Trioctanoin oil UNII-6P92858988 1,2,3-Propanetriol trioctanoate 1,2,3-trioctanoylglycerol Caprylic acid, 1,2,3-propanetriyl ester Caprylic triglyceride Glycerol tricaprylate Glycerol trioctanoin TG(8:0/8:0/8:0) Axona

Chemical Function

Deodorizer Softener and conditioner Fragrance Solvent

Regulatory Lists

consumer_product detected; Europe; Other direct contact consumer goods detected; Europe; Other direct contact consumer goods air; Arts and crafts/Office supplies - children's art and toys - modeling clay; detected; emissions; Europe detected; Europe; Other direct contact consumer goods detected; Europe; Other direct contact consumer goods detected; Europe; Other direct contact consumer goods IFRA Transparency artificial_saliva; detected; emissions; Europe; Furniture and Furnishings children; Europe; Personal care children; Europe; Personal care - general moisturizing - hand/body lotion Europe; Personal care Europe; Personal care Canada; pharmaceutical

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.

Compound
TRICAPRILIN
ChEMBL ID
CHEMBL1406148
Max Phase
3
View full pharmaceutical profile →

Frequently Asked Questions

Is Tricaprylin safe in cosmetics?

Tricaprylin has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted. 2 toxicological study endpoint(s) are available in our database.

Is Tricaprylin allowed in the EU?

Tricaprylin EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tricaprylin do in cosmetics?

Tricaprylin functions as: Emollient, moisturizing, skin conditioning, skin protecting, smoothing, solvent. It is classified as a cosmetic ingredient in our database. CAS number: 538-23-8.

What is the NOAEL for Tricaprylin?

The NOAEL (No Observed Adverse Effect Level) for Tricaprylin is =1908 mg/kg bw/day based on a subchronic study via oral route in Rat. A total of 2 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.

Is Tricaprylin used outside cosmetics?

Tricaprylin 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.

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