Heptacosanoic acid

CAS Number
7138-40-1
EC Number
230-436-9

What is Heptacosanoic acid?

Heptacosanoic acid (CAS 7138-40-1), also known as carboceric acid or C27:0, is a saturated very-long-chain fatty acid used as a functional ingredient in food and personal care formulations.

Where is Heptacosanoic acid used?

  • Cosmetic and personal care: emollient
  • Creams, lotions and lip products: stabilizes oil-in-water systems and improves skin feel
  • Food: reference standard and minor functional lipid component
  • Fat-based systems: precise fatty acid profiling
  • Nutritional research and biomarker studies: certified reference materials
  • Wax-based systems such as solid lipstick bases and barrier creams: structural rigidity and moisture retention
  • It serves as an emulsifier and moisturizing agent, contributing to texture, stability and skin-conditioning performance.

Commercial specifications

  • Research-grade and high-purity analytical grades
  • Purity typically 98% or above

Other Names (Synonyms)

heptacosylic acid|carboceric acid|C27:0|9J1CDT7DOJ|heptacosanoate;hydron|RefChem:783590

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What are the physical properties of Heptacosanoic acid?

Melting Point 88-89 °C
Boiling Point 458.37°C (rough estimate)
Density 0.8898 (rough estimate)
Color White to Almost white
Form powder to crystal
Water Solubility Water: Slightly soluble
Refractive Index 1.4740 (estimate)

Which trade and regulatory codes apply to Heptacosanoic acid?

HS Code 2915.90.1800
WGK (Germany) 3
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