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CAS RN: 9005-65-6 | Product Number: T2533

Tween 80 (=Polyoxyethylene Sorbitan Monooleate) [for Biochemical Research]

  • Polyoxyethylene Sorbitan Monooleate
5   3   ≥20 
7   5   ≥20 

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Product Number T2533
Physical State (20 deg.C) Liquid
CAS RN 9005-65-6
PubChem Substance ID 87560419
Merck Index (14) 7582
MDL Number


Appearance Light orange to Yellow to Green clear liquid
Water max. 4.0 %
Acid Value max. 2.0
Saponification Value 45.0 to 55.0
Suitability for protein-analysis to pass test
Properties (reference)
Melting Point -25 °C
Flash point 295 °C
Specific Gravity (20/20) 1.08
Refractive Index 1.47
Solubility in water Completely miscible
Solubility (soluble in) Alcohol,Toluene
Signal Word Warning
Hazard Statements H320 : Causes eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Related Laws:
RTECS# WG2932500
Transport Information:
HS Number 2932.99.9090
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