Sorbitan Mono Stearate (SMS)

Overview

Sorbitan Mono Stearate (SMS), also recognized by its INCI name Sorbitan Stearate and CAS number 1338-41-6, is a highly versatile non-ionic surfactant meticulously derived from the esterification of sorbitol and stearic acid. As a potent lipophilic (oil-soluble) emulsifier with an approximate HLB value of 4.7, it excels in stabilizing water-in-oil (W/O) emulsions, enhancing texture, and acting as a dispersant across a multitude of industrial applications.

At CanCastor, our SMS is produced under rigorous quality controls, ensuring compliance with global regulatory standards such as USP (United States Pharmacopeia), BP (British Pharmacopoeia), FCC (Food Chemical Codex), and recognized as E491 under European food additive regulations. Our industrial expertise ensures a product of consistent purity and performance, crucial for sensitive applications in food processing, pharmaceuticals, and cosmetics. From improving crumb structure in baked goods to stabilizing topical drug delivery systems and formulating luxurious skincare products, SMS delivers unmatched functional benefits. CanCastor is a trusted global supplier, committed to delivering bulk quantities of high-purity Sorbitan Mono Stearate, directly from our refinery to your formulation line.

Key Physical & Chemical Properties

• Appearance: Cream to light yellow waxy flakes or solid
• Acid Value: Max 10.0 mg KOH/g
• Saponification Value: 147 – 157 mg KOH/g
• Hydroxyl Value: 235 – 260 mg KOH/g
• Moisture: Max 1.5%
• HLB Value: Approximately 4.7
• Melting Point: 50 – 58 °C