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Polysorbate 20 CAS 9005-64-5

Polisorbate 20- PS 20;Tween 20 (Trademark of ICI America, Inc.);Tween 20 Tween 20 1LT;Twain 20;TWEEN(R) 20 Vetec(TM) reagent grade, 40%;ACRYL/BIS 37.5:1 PREMIXED PWD ULTRA PURE;TWEEN 20 ELECTROPHORESIS GRADE
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  • 9005-64-5

  • bosschem

  • 9005-64-5

Polysorbate 20 Basic information
Product Name: Polysorbate 20
CAS: 9005-64-5
MF: C26H50O10
MW: 522.6692
EINECS: 500-018-3
Mol File: 9005-64-5.mol
Polysorbate 20 Chemical Properties
Melting point 98.9 °C (decomp)
Boiling point 100 °C
density 1.11 g/mL at 20 °C
vapor pressure <1.4 hPa (20 °C)
refractive index n20/D 1.468(lit.)
FEMA 2915 | POLYSORBATE 20
Fp >230 °F
storage temp. 0-6°C
solubility 100 g/L
form viscous liquid
color Amber
Specific Gravity 1.090~1.130 (20/20℃)
PH 6-8 (50g/l, H2O, 20℃)
PH Range 7
Water Solubility 100 g/L
Hydrophilic-Lipophilic Balance (HLB) 16.7
Stability: Stable. Incompatible with strong oxidizing agents.
EPA Substance Registry System Polysorbate 20 (9005-64-5)


Test items Specifications
H ydroxyl value(mgKOH/g) 90-110
Saponification number (mgKOH/g) 40-50
Acid number(mgKOH/g) ≤ 2.0
Water(%) ≤ 2.5
Appearance Yellow to amb oily liquid or cream
HLB 16.5

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