Docosahexaenoic acid

CAS Number
6217-54-5
EC Number
612-950-9
Abbreviation
DHA

What is Docosahexaenoic acid?

Docosahexaenoic acid (CAS 6217-54-5), commonly known as DHA, is a long-chain omega-3 fatty acid sourced from marine oils and microalgae.

Where is Docosahexaenoic acid used?

  • Food and pharmaceutical formulations: bioactive nutritional ingredient
  • Infant formula and functional foods: incorporated to meet regulatory omega-3 content requirements and support nutritional labeling claims
  • Pharmaceuticals: active ingredient in softgel capsules and prescription omega-3 concentrates
  • Personal care: formulated into skin-conditioning products where its fatty acid profile supports barrier repair
  • Emollient-rich creams and serums: enhance moisturization properties
  • Dairy products, beverages and fortified snacks: food producers use it to enrich these products.

Good to know: Encapsulated forms manage oxidative stability and minimize potential flavor impact. The encapsulated grade is preferred for dry food applications where oxidation control is critical for maintaining shelf life and quality.

Commercial specifications

  • 40% to over 90% DHA content
  • Ethyl ester or triglyceride forms
  • Algal-derived DHA for vegetarian and vegan-certified supply chains

Other Names (Synonyms)

Retriacyl® (proposed trade name)|Docosahexaenoic Acids|cis-4,7,10,13,16,19-Docosahexanoic acid|cis-4,7,10,13,16,19-Docosahexanoate|cervonic acid|Cervonate|All-Z-Docosahexaenoic acid|All-Z-Docosahexaenoate|DHA

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What are the physical properties of Docosahexaenoic acid?

Melting Point -44°C
Boiling Point 446.7±24.0 °C(Predicted)
Density 0.943±0.06 g/cm3(Predicted)
Flash Point 62°C
Appearance Clear Colourless Liquid
Color Clear colorless to light yellow
Form Oil
Refractive Index 1.5030-1.5060
Log P 6.778 (est)

Which trade and regulatory codes apply to Docosahexaenoic acid?

HS Code 29161900
UN Number 1170
Packing Group II
Storage Class 10 - Combustible liquids
WGK (Germany) 3
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