Twain 20 (9005-64-5)
1、 Basic Information
1. Chemical name: Tween 20
2. Chinese alias: Twain 20; Polyoxyethylene (20) sorbitan monolaurate
3. English name: Polysorbate 20
4. Molecular formula: C58H114O26
5. Molecular weight: 1226.48
6. CAS number: 9005-64-5
7. EINECS number: 500-018-3
8. Appearance: It appears as a light yellow to yellow viscous liquid at room temperature. Slightly bitter, soluble in water, ethanol, ethyl acetate, and toluene, insoluble in mineral oil and vegetable oil.
2、 Technical parameters
project
indicator
Acid value, (mgKQH/g)
≤
two
Saponification value, (mgKOH/g)
40~50
Hydroxyl value, (mgKOH/g)
96-108
water content, (w/%)
≤
three
Burning residue, (w/%)
≤
zero point two five
Lead (Pb), (mg/kg)
≤
two
Ethylene oxide (calculated as C2H4O), (w/%)
70.0-74.0
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
1. 50kg and 200kg plastic drums
2. 1000 kg IBC ton drum