Polysorbate CAS 9005-64-5
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Polyoxyethylene sorbitan monolaurate Tween 20 
CAS 9005-64-5
1. General
Appearance: Yellow to amber oily liquid to cream
Chemical Name: Tween 20
Synonyms: Polyoxyethylene sorbitan monolaurate.
Molecular Formula: C18H34O6(C2H4O)n
CAS No.: 9005-64-5
2. Specification
Parameter | Unit | Specification | Test Method |
Hydroxyl value | mgKOH/g | 90~110 | GB/T 7384 |
Saponification number | mgKOH/g | 40~50 | HG/T 3505 |
Acid value | mgKOH/g | ≤2 | GB/T 6365 |
Water content | % m/m | ≤2.5 | GB/T 7380 |
