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Tween® 20, molecular biology grade

- 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