Polysorbate 60
Description
Polysorbate 60 (CAS 9005-67-8), also known as Tween 60 and approved as E435, is a polyoxyethylene sorbitan monostearate emulsifier used across food, cosmetic, and pharmaceutical manufacturing.
It stabilizes oil-in-water emulsions and dispersions where consistent texture and phase stability are critical to finished product quality. In food production, it functions as an emulsifier in baked goods and whipped toppings.
This ingredient improves volume, texture consistency, and shelf life in coffee creamers and processed foods. Cosmetic formulators incorporate it into creams, lotions, and serums to achieve stable emulsions and uniform distribution.
In pharmaceutical manufacturing, it supports the solubilization and dispersion of active ingredients in topical and oral dosage forms. It also acts as a humectant in leave-on personal care products to retain moisture.
Polysorbate 60 is supplied as a warm amber liquid or soft waxy solid depending on temperature, typically in drums or IBCs. Standard grades include food-grade meeting FCC specifications for global safety.
For pharmaceutical applications, USP/NF grade is available to meet strict regulatory requirements. Technical grade options are also provided for industrial use where high purity standards are not the primary focus.
Buyers sourcing for EU food applications should confirm E435 compliance with applicable purity criteria under EU food additive regulations. This ensures the material meets all safety and quality benchmarks for the region.
Physical Properties
| Melting Point | 45-50 °C |
| Boiling Point | 802.68°C (rough estimate) |
| Density | 1.07 g/cm³ |
| Flash Point | >230 °F |
| Appearance | Tan paste |
| Color | White or Colorless to Yellow |
| Odor | mild alcoholic |
| Form | powder to lump to clear liquid |
| Water Solubility | 100 g/L |
| Vapor Pressure | <10 hPa (20 °C) |
| Refractive Index | n 20/D 1.474 |
| pH | 5.5-7.7 (50g/l, H2O, 25℃) |
| Log P | 3.938 at 25℃ |
Trade & Regulatory
| HS Code | 34021300 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Documentation
Other Names
Sorbitan, monooctadecanoate, poly(oxy-1,2-ethanediyl) derivs.|Sorbitan, monostearate, polyoxyethylene derivs.|Tween 18:0|Tween 61|Polyoxyethylene sorbitan monostearate|Tween 60|E435
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