Oleris® Bio-Based Esterol A

Oleris® Esterol A is a mixture of fatty acids methyl esters in C18 processed from castor oil (FAME, VOME from castor oil).


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  • CAS number: 67762-38-3
  • Chemical name: Esterol A
  • Common name: FAME, VOME from castor oil, Fatty Acids Methyl Esters in C16-18 and unsaturated in C18

Arkema is a Founding Member of Pragati:
The World's First Sustainable Castor Program

The goal of the Pragati project is to enable sustainable castor crop production.

Scroll down to learn more about Pragati!

Key Properties

  • Readily biodegradable (75% after 28 days)
  • Low viscosity (6.1 mPa.s at 20°C)
  • Good oxidation resistance
  • High boiling point (354.3°C): Not VOC classified
  • High flash point (173°C)
Esterol A Typial Compositions Chart

Main Applications

  • Fluxing agent in bitumen
  • Viscosity regulator in metallurgy
  • Degreasing and cleaning agent
  • Additive for lubricants
  • Mold release agents for concrete with a vegetable origin
  • Oiliness agent in the treatment of leather and textiles
  • An alternative with a vegetable oil origin for various industrial applications


  • Oleris® Esterol A has a low viscosity and good oxidation resistance
  • This bio-based mixture of natural fatty esters is appreciated by lubricant manufacturers for its high lubricity and its anti-wear properties
Esterol A Lubrication Chart

Building construction

  • Oleris® Esterol A is readily biodegradable and has a low toxicity
  • It does not contain either glycol ether, or APEO (alkylphenolethoxylate), or aromatic compounds
  • Oleris® Esterol A is not classified for human health or the environment
  • Has a high boiling temperature (354.3° C): not VOC classified
  • A 2 year shelf life

Cleaning and degreasing

  • Oleris® Esterol A shows a good solvent power (Kb value >60) and a high flash point (173°C)
  • Oleris® Esterol A can be directly used for cleaning all industrial supports soiled by paints, mineral greases, and tars

Arkema is a Founding Member of Pragati:
The World's First Sustainable Castor Program

Arkema, BASF, Jayant Agro-Organics, and Solidaridad are the founding members of Pragati - the world's first sustainable castor initiative. The goal of the Pragati project is to to enable sustainable castor crop production by:

  • Using good agricultural practices to increase yield and farmer income
  • Efficiently using water resources, and maintenance of soild fertility
  • Driving the a adoption of good waste management practices
  • Enabling better health and safety practices, and respecting human rights
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