Tween 80 CAS 9005-65-6

Product Name: Polysorbate 80
English Alias: Tween 80; Polyoxyethylene (20) sorbitan monooleate
CAS Number: 9005-65-6
Molecular Formula: C₆₄H₁₂₄O₂₆ (approximate, varies with ethylene oxide units)
Molecular Weight: ~1310 g/mol (approximate)
Appearance: Yellow to amber viscous liquid
Package: 25 kg/drum, 50 kg/drum (HDPE plastic drum)

What is Polysorbate 80？

Polysorbate 80 is a nonionic surfactant derived from sorbitol and oleic acid, appearing as a yellow to amber viscous liquid with a characteristic mild odor. It is soluble in water, ethanol, and most organic solvents. As a polysorbate surfactant, it functions as an effective emulsifier, dispersant, and solubilizer for oil-in-water (O/W) emulsions. It exhibits excellent stability, compatibility, and low toxicity, making it one of the most widely used surfactants in various industries.

COA (Certificate of Analysis):

Properties	Standard Value	Test Value
Appearance	Light yellow to yellow oily liquid	Conforms
Colour Lovibond (R/Y)	≤ 1.5R 10Y	0.5R 4.8Y
Acid Value (mg KOH/g)	≤ 2.0	0.5
Saponification Value (mg KOH/g)	45 ~ 55	47.6
Hydroxyl Value (mg KOH/g)	65 ~ 80	69.5
Residue on Ignition (w/%)	≤ 0.25	0.10
Moisture (w/%)	≤ 3.0	2.4
Lead Pb (mg/kg)	≤ 2	< 2
Arsenic As (mg/kg)	≤ 3	< 3
Oxyethylene (w/%)	65.0 ~ 69.5	67.1
Test results	Pass
Analyst	Deng Huiying
Approved	Approved

Application:

Food Industry: Emulsifier in ice cream, dairy products, and bakery items

Cosmetics: Emulsifier and solubilizer in creams, lotions, and personal care products

Biotechnology: Solubilizing agent for proteins and in cell culture media

Agrochemicals: Emulsifier and wetting agent in pesticide formulations

Industrial Applications: Emulsifier in lubricants and metalworking fluids

Safety Profile:

Polysorbate 80 is generally recognized as safe (GRAS) for food use and widely approved for cosmetic and pharmaceutical applications. May cause mild eye and skin irritation in concentrated form. Use appropriate personal protective equipment including gloves when handling. The substance is biodegradable and has low environmental impact. For detailed safety information, consult the full Safety Data Sheet (SDS).

Storage Requirements:

Store in a cool, dry, well-ventilated area away from direct sunlight. Keep containers tightly closed and sealed. Maintain storage temperature between 10-30°C. Protect from moisture and freezing.

Transport & Packaging:

Polysorbate 80 is packaged in HDPE plastic drums (25 kg or 50 kg net weight per drum). Transport as non-hazardous material under normal conditions. Ensure containers are properly sealed and protected from physical damage during transportation. Store away from strong oxidizing agents.