Tripalmitin

CAS Number
555-44-2
EC Number
209-098-1
Chemical Formula
C51H98O6
Molecular Weight
807.3 g/mol

Description

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.

Other Names (Synonyms)

Triglyceryl palmitate|TG(16:0/16:0/16:0)|Palmitic triglyceride|Palmitic acid triglycerin ester|Hexadecanoic acid, 1,2,3-propanetriyl ester|Glyceryl tripalmitate|Glyceryl trihexadecanoate|Glycerin tripalmitate

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 66.5 °C
Boiling Point 591.06 °C @ Press: 760 Torr
Density 0.8752 g/cm³ (liquid)
Appearance White, crystalline powder. Soluble in ether and chloroform; insoluble in water. Combustible.
Color White to almost white
Form Fine Crystalline Powder
Refractive Index nD80 1.43807
Log P 21.615 (est)

Safety & Handling (Learn More)

GHS09· Environmental Hazard

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 Code 29157090
Storage Class 11 - Combustible Solids

Documentation

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