Polysorbate 80 Storage — Tween 80 Nonionic Surfactant Tank Selection

Storing Polysorbate 80? Start Here

Polysorbate 80, also known as Tween 80 or E433, is a versatile nonionic surfactant used in pharmaceuticals, cosmetics, and food products. It's a key ingredient for stabilizing and emulsifying, making it crucial in vaccine formulations, creams, and even ice cream. When storing polysorbate 80, it's important to consider its viscosity and potential for peroxide formation if exposed to air and warmth over time.

Can you store it in a poly tank?

Yes, polysorbate 80 can be stored in polyethylene tanks. Both HDPE and XLPE are suitable for cosmetic and food-grade bulk storage. For pharmaceutical-grade storage, PVDF or PTFE tanks are recommended for their high purity.

Key Issue: Avoiding Peroxide Formation

Avoid using copper, brass, or bronze in contact with polysorbate 80, as these metals can catalyze the formation of peroxides, which can compromise the stability and quality of the product. Stick to stainless steel or polyolefin materials to prevent this issue.

The safety that actually matters

• Store in a cool, dry place to minimize peroxide formation.
• Use appropriate gaskets: EPDM for cosmetic and food-grade, Viton for pharmaceutical-grade.
• Avoid copper and brass to prevent contamination.

Common questions

Is polysorbate 80 hazardous?

No, it is not classified as a hazardous material under standard conditions.

What tank materials are best for pharmaceutical-grade storage?

316L stainless steel or PVDF/PTFE tanks are recommended for high-purity requirements.

Can polysorbate 80 be mixed with water?

Yes, it is fully miscible with water and most polar solvents.