Sorbitan sesquioleate

Sorbitan sesquioleate (CAS 8007-43-0), also marketed as Arlacel C, Sorgen 30 and Span 83, is a lipophilic emulsifier derived from sorbitol and oleic acid.

Where is Sorbitan sesquioleate used?

• Food processing: supports fat-based emulsions and disperses in confectionery coatings and chocolate
• Pharmaceuticals: stable ointments and dermal delivery systems
• Cosmetics and topical formulations: stabilizes water-in-oil creams and lotions
• Sunscreen and color cosmetic bases: oil-phase compatibility
• It functions as a water-in-oil emulsifier and dispersing agent.

Good to know: Pharmaceutical-grade supply conforming to BP or Ph. Eur. monographs is available from select manufacturers for regulated formulation use.

Commercial specifications

• Food-grade material conforms to purity standards for emulsifier applications