Tricaprylin

三辛酸甘油酯

Also known as: Trioctanoin, Glycerol trioctanoate, Glycerol tricaprylate, Glyceryl trioctanoate, Glyceryl tricaprylate, 1,2,3-Trioctanoylglycerol, 1,2,3-Tricapryloylglycerol, Caprylic acid triglyceride, Caprylic triglyceride, Caprylin, Captex 8000, Octanoic acid, 1,2,3-propanetriyl ester, Propane-1,2,3-triyl trioctanoate, Tri-n-octanoin, Trioctanoylglycerol, glycerin tricaprylate, octanoic acid 2,3-bis-octanoyloxypropyl ester, 2,3-Bis(octanoyloxy)propyl octanoate, 2,3-di(octanoyloxy)propyl octanoate, 1,2,3-Propanetriol trioctanoate

Tricaprylin (CAS 538-23-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C27H50O6 and a molecular weight of 470.682 g/mol. It is also known as Trioctanoin, Glycerol trioctanoate and Glycerol tricaprylate. Key properties include a melting point of 9-10 °C, a boiling point of 508.0±17.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 209.3±21.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
538-23-8
Jingsj CID
J-1991874-9
Molecular Formula
C27H50O6
Chinese Name
三辛酸甘油酯
Molecular Weight
470.682 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point9-10 °C
Boiling Point508.0±17.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point209.3±21.0 °C
Exact Mass470.360748
PSA78.90000
LogP9.33
Vapor Pressure0.0±1.3 mmHg at 25°C
Refractive Index1.458

Activity & Biological Data

Additional Information[1]. Tricaprylin [2]. Kwok MK, et al. Re-thinking Alzheimer's disease therapeutic targets using gene-based tests. EBioMedicine. 2018 Nov;37:461-470.

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Tricaprylin?

The CAS number of Tricaprylin is 538-23-8.

What are the molecular formula and molecular weight of Tricaprylin?

Tricaprylin has molecular formula C27H50O6 and molecular weight 470.682 g/mol.

What are the upstream and downstream products of Tricaprylin?

For Tricaprylin, Upstream Products: Octanoic acid, Glycerol, Octanoyl chloride; Downstream Products: monocaprylin, Glycerol, Methyl octanoate.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Tricaprylin (CAS 538-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991874-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.