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Oils, Fats & Waxes

Tripalmitin

CAS: 555-44-2

Overview

Tripalmitin (CAS 555-44-2 ), also referred to as palmitic triglyceride, is a saturated triglyceride composed entirely of palmitic acid chains. It functions as a structuring agent, emollient base, and lipid excipient across personal care, pharmaceutical, and food manufacturing applications.

In cosmetics and skincare, tripalmitin is used to build solid or semi-solid textures in balms, sticks, and cream formulations. It provides a smooth skin feel without relying on synthetic waxes, making it a versatile choice for natural product lines.

Pharmaceutical manufacturers incorporate it as a lipid matrix component in solid lipid nanoparticles and controlled-release dosage forms. Its defined melting behavior supports consistent drug encapsulation and delivery in various therapeutic applications.

In food processing, it functions as a structuring fat in confectionery coatings and specialty fat blends. This is particularly useful where a high palmitic acid profile is required for precise tempering and texture control in finished goods.

It also serves as a reference standard and model compound in lipid research and quality testing of fat-based raw materials. This allows laboratories to maintain high accuracy when analyzing complex lipid profiles in industrial settings.

Tripalmitin is supplied as a white to off-white powder or flake solid. Food-grade and pharmaceutical-grade specifications are available, with the latter typically conforming to USP or Ph.Eur. standards for global compliance.

High-purity research grades are also offered for analytical and formulation development use. These materials ensure that manufacturers meet the rigorous demands of modern chemical processing and high-end product development cycles.

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Physical Properties

Melting Point66.5 °C
Boiling Point591.06 °C @ Press: 760 Torr
Density0.8752 g/cm³ (liquid)
AppearanceWhite, crystalline powder. Soluble in ether and chloroform; insoluble in water. Combustible.
ColorWhite to almost white
FormFine Crystalline Powder
Refractive IndexnD80 1.43807
Log P21.615 (est)

Safety & Handling

GHS09 Hazard Statements H411 Toxic to aquatic life with long lasting effects Precautionary Statements P273 Avoid release to the environment. P391 Collect spillage. P501 Dispose of contents/container in accordance with local regulations.

Trade & Regulatory

HS Code29157090
Storage Class11 - Combustible Solids

Other Names

Triglyceryl palmitate | TG(16:0/16:0/16:0) | Palmitic triglyceride | Palmitic acid triglycerin ester | Hexadecanoic acid123-propanetriyl ester | Glyceryl tripalmitate | Glyceryl trihexadecanoate | Glycerin tripalmitate

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Chemical Properties

CAS Number
555-44-2
EC Number
209-098-1
Mol. Weight
807.3
HS Code
29157090

Industries

Documentation