POE 20 Sorbitan Tri Stearate (Polysorbate 65)

Overview

POE 20 Sorbitan Tri Stearate, commonly known as Polysorbate 65, is a highly versatile and essential non-ionic emulsifier derived from polyethoxylated sorbitan and stearic acid. As a polyoxyethylene (20) sorbitan tristearate, it stands out in the chemical landscape for its unique balance of hydrophilic and lipophilic properties, quantified by its HLB value of approximately 10.5. This characteristic makes it an exceptionally effective agent for stabilizing oil-in-water (O/W) emulsions, enhancing solubility, and acting as a dispersant across a broad spectrum of industrial applications. CanCastor, leveraging decades of expertise in oleochemical derivatives, supplies premium Polysorbate 65 that meets the most rigorous international standards.

Our industrial chemists and application specialists have extensive experience working with Polysorbate 65 in formulating everything from intricate pharmaceutical suspensions to robust food systems and stable cosmetic creams. Its precise chemical structure, characterized by the CAS Number 9005-71-4 and INCI name Polysorbate 65, ensures consistent performance. We understand the critical role this excipient plays in preventing phase separation, improving texture, and extending shelf life, and our supply chain is meticulously managed to deliver unparalleled product integrity and batch-to-batch consistency. Our authoritativeness in the field of specialty esters is built on transparent sourcing, stringent quality control, and a deep understanding of customer needs across regulated industries.

CanCastor's commitment to trustworthiness means that every consignment of Polysorbate 65 adheres to international pharmacopeial standards such as USP (United States Pharmacopeia), BP (British Pharmacopoeia), and Ph. Eur. (European Pharmacopoeia), as well as food-grade specifications like FCC (Food Chemicals Codex) and E436 in the EU. Our products are rigorously tested to ensure purity, efficacy, and compliance with global regulatory frameworks like REACH and FDA 21 CFR, providing our clients with peace of mind and the foundation for successful product development. Discover the full range of our offerings in our full catalog.

Key Physical & Chemical Properties

Polysorbate 65 is typically a light cream to tan-colored waxy solid at room temperature, with a mild fatty odor. Its key properties include:

• CAS Number: 9005-71-4
• INCI Name: Polysorbate 65
• Chemical Formula: C102H198O28 (approximate)
• HLB Value: ~10.5 (indicative of its O/W emulsifying capabilities)
• Appearance: Light cream to tan waxy solid
• Saponification Value: 88 - 98 mg KOH/g
• Hydroxyl Value: 44 - 60 mg KOH/g
• Acid Value: Max 2.0 mg KOH/g
• Water Content: Max 3.0%
• Ethylene Oxide Content: 29.0 - 33.0%