Fatty acids, C16-18

Fatty acids, C16-18 (CAS 67701-03-5) is a mixed-chain fatty acid blend derived from vegetable or animal fats, combining palmitic and stearic acid fractions in commercially relevant ratios. Also marketed as Emersol stearic acid 120 and Emersol stearic acid 132.

Where is Fatty acids, C16-18 used?

• Personal care: emulsifier and consistency agent in creams, lotions, and bar soaps
• Rubber and tire: activator and internal lubricant during vulcanization
• Plastics: mold release agent and processing aid in PVC and polyolefin systems
• Coatings and adhesives: surface tension modifier improving substrate wetting and adhesion
• It functions as a lubricant and surface modifier.

Good to know: Buyers should confirm the palmitic-to-stearic ratio, as this varies by grade and affects performance in specific end-use formulations.

Commercial specifications

• Purity levels are typically defined by iodine value and acid value.