Tripalmitin

CAS Number
555-44-2
EC Number
209-098-1

What is Tripalmitin?

Tripalmitin (CAS 555-44-2), also referred to as palmitic triglyceride, is a saturated triglyceride composed entirely of palmitic acid chains.

Where is Tripalmitin used?

  • Personal care: structuring agent and emollient base
  • Cosmetics and skincare: builds solid or semi-solid textures in balms, sticks, and cream formulations
  • Pharmaceutical: lipid matrix component in solid lipid nanoparticles and controlled-release dosage forms
  • Food processing: structuring fat in confectionery coatings and specialty fat blends
  • Lipid research: reference standard and model compound for quality testing of fat-based raw materials
  • It supports consistent drug encapsulation and delivery through its defined melting behavior.

Good to know: Food-grade and pharmaceutical-grade specifications are available; the latter typically conform to USP or Ph. Eur. standards. High-purity research grades are also offered for analytical and formulation development.

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

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What are the physical properties of Tripalmitin?

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)

How is Tripalmitin classified and handled safely? 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.

Which trade and regulatory codes apply to Tripalmitin?

HS Code 29157090
Storage Class 11 - Combustible Solids
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