Sorbitan Mono Oleate (SMO) -ESTOSPAN 80

Overview

Sorbitan Mono Oleate (SMO) - ESTOSPAN 80 is a highly versatile and widely utilized non-ionic surfactant, belonging to the sorbitan ester family. Chemically, it is the monoester of sorbitol and oleic acid. Renowned for its lipophilic (oil-loving) properties and low HLB (Hydrophilic-Lipophilic Balance) value of approximately 4.3, ESTOSPAN 80 is an indispensable ingredient across a spectrum of industrial applications. As a leading global supplier, CanCastor ensures that our ESTOSPAN 80 meets stringent quality controls, adhering to various pharmacopoeial and food-grade standards such as USP and Food Chemical Codex, alongside robust industrial specifications.

Our ESTOSPAN 80 acts primarily as a powerful emulsifier, dispersant, and wetting agent, facilitating the stable blending of immiscible liquids and enhancing product efficacy. Its non-ionic nature provides broad compatibility with other ingredients, making it ideal for complex formulations. We pride ourselves on the consistent purity and performance of ESTOSPAN 80, sourced and processed under strict ISO 9001:2015 certified quality management systems, ensuring traceability and reliability for critical applications in pharmaceuticals, food and beverage, cosmetics, and various industrial sectors. Explore our comprehensive range of chemical solutions in our full catalog.

Key Physical & Chemical Properties

Sorbitan Mono Oleate (SMO), identified by CAS Number: 1338-43-8 and INCI Name: Sorbitan Oleate, exhibits specific characteristics critical for its industrial functionality:

• Appearance: Yellowish viscous liquid
• Acid Value (mg KOH/g): Max 8
• Saponification Value (mg KOH/g): 145 - 160 (tested via ASTM D94 method equivalency)
• Hydroxyl Value (mg KOH/g): 193 - 210
• Moisture (%): Max 1.0 (Karl Fischer)
• HLB Value: Approximately 4.3
• Specific Gravity (25°C): 0.985 - 1.005
• Solubility: Insoluble in water, soluble in ethanol, mineral oil, and various organic solvents.