Ingredient Dictionary

TRICAPRYLIN

Trioctanoin is a triglyceride obtained by acylation of the three hydroxy groups of glycerol by octanoic acid.

How much products actually contain

No product states its amount yet.

Of the products containing it, 78 list it before the 1% line and 4 after it (usually 1% or less).

Products using this ingredient

12 of 81 confirmed · likeliest to carry enough first · See all 81

Definition

Trioctanoin is a triglyceride obtained by acylation of the three hydroxy groups of glycerol by octanoic acid. Used as an alternative energy source to glucose for patients with mild to moderate Alzheimer's disease. It has a role as an anticonvulsant and a plant metabolite. It is a triglyceride and an octanoate ester.

Source: PubChem

US FDA substance register · UNII 6P92858988 · registered name TRICAPRILIN · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Keeps skin in good condition (CosIng catch-all)SKIN CONDITIONINGGives the product a scentPERFUMINGListed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCE

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Amended Safety Assessment of Triglycerides as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report on the Safety Assessment of Trilaurin, Triarachidin, Tribehenin, Tricaprin, Tricaprylin, Trierucin, Triheptanoin, Triheptylundecanoin, Triisononanoin, Triisopalmitin, Triisostearin, Trilinolein, Trimyristin, Trioctanoin, Triolein, Tripalmitin, Tripalmitolein, Triricinolein, Tristearin, Triundecanoin, Glyceryl Triacetyl Hydroxystearate, Glyceryl Triacetyl Ricinoleate, and Glyceryl Stearate Diaceate

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name トリカプリリン: 本品は、カプリル酸とグリセリン（＊）のトリエステルであり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

TRICAPRYLININCI트라이카프릴린Korean label name (MFDS standard)Octanoic acid, 1,2,3-propanetriyl esterSynonymトリカプリリンJapanese labelling name

CAS No.chemical registry number: 538-23-8
EC No.EU chemical inventory number: 208-686-5
DTXSIDUS EPA chemical ID: DTXSID6021375
DTXCIDUS EPA compound ID: DTXCID801375

IUPAC: Propane-1,2,3-triyl trioctanoate
Molecular formula: C27H50O6
Molecular weight: 470.691 g/mol

Measured properties

Appearance: Tricaprylin is an odorless viscous clear colorless to amber-brown liquid. (NTP, 1992) · Colorless to amber-brown viscous, odorless liquid, mp = 10 deg C, [NTP] Colorless to light yellow odorless liquid, [Acros Organics MSDS]
Boiling point: 451.6 °F at 760 mmHg (NTP, 1992) · 233 °C
Melting point: 50 °F (NTP, 1992) · 10 °C
Solubility: less than 1 mg/mL at 72 °F (NTP, 1992) · Miscible in ethanol, very soluble in ether, benzene, chloroform, ligroin
Density: 0.954 at 68 °F (NTP, 1992) - Less dense than water, will float · 0.9540 at 20 °C
Melting/freezing point: 5.8 ℃
Initial boiling point and range: &amp, gt, 300 ℃ (1 atm)
Flash point: 200.2 ℃
Vapour pressure: 0 ㎩ (25℃)
Water solubility: 0~0.532 ug/L (20℃, pH: 6.3)
Relative density: 0.952
n-Octanol/water partition coefficient (Kow): 9.2 (log Pow)
Molecular weight: 470.682

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 17 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Softener and conditioner7
Fragrance4
Solvent3
Deodorizer2
Humectant1

Source: US EPA CompTox dashboard