CAS: 9005-64-5
Molecular Formula: C26H50O10
Molecular Weight: 522.6692
EINECS: 500-018-3
Synonyms: 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
Polysorbate 20 CAS 9005-64-5, whose common commercial names includes Alkest TW 20 and Polysorbate 20, is a mild nonionic surfactant formed by the ethoxylation of sorbitan before the addition of lauric acid which is a medium-chain fatty acid found mainly in coconut oil. It is allowed to be used as the emulsifier, detergent, dispersant, solvent and stabilizer, etc. in a number of fields such as pharmaceutical, chemical, food, textile and other industries due to its stability and relative non-toxicity.
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Item
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Specifications
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Results
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Appearance at 25 °C
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Amber viscous grease
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Amber viscous grease
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Hydroxyl number mgKOH/g
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90~110
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96.6
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Saponification numbermgKOH/g
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40~50
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44.3
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Water % m/m
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≤2.5
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1.38
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Acid value mgKOH/g
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≤2
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0.86
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Conclusion
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The results conforms with enterprise standards
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polysorbate 20 is a solubilizer, emulsifier, viscosity modifier, and stabilizer of essential oils in water.
200kgs/drum, 16tons/20’container
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