Tween® 20, para biología molecular, Polisorbato
- Synonyms: Polysorbate - C58H114O26 - M = 1227,72 g/mol - CAS [9005-64-5] - EINECS-No.: 500-018-3 - Density: 1,11 g/cm3 - Solub. in water: (25 ºC): 100 g/l - Boiling point: > 100 ºC - Flash pt. > 150 ºC - Vapour pressure: (20 ºC) < 1,4 hPa - LD 50 (oral, rat): 38900 mg/kg - Tariff number: 3402 42 00 90 - Applications: laboratory reagent, synthesis of organic products, in food industry (E 432), emulsifier, stabilizer. SPECIFICATIONS identity (IR-spectrum): passes test hydroxyl index : 96 - 108 saponification index: 40 - 50 DNases, RNases, Proteases : non detected Precipitates may appear if exposed to cold temperatures. The precipitates can be redissolved if slightly heated in a warm place or bath, and shaken or stirred, avoiding exposure to direct sunlight. The functionality of the product is not affected
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