Twain 40 (9005-66-7)
1、 Basic Information
1. Chemical name: Tween 40
2. Chinese alias: Twain 40; Polyoxyethylene (20) sorbitan monopalmitate
3. English name: Polysorbate 40
4. Molecular formula: C62H122O26
5. Molecular weight: 1284.6
6. CAS number: 9005-66-7
7. EINECS number: 500-019-9
8. Appearance: Yellow to orange viscous liquid or paste 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)
41~52
Hydroxyl value, (mgKOH/g)
90-107
water content, (w/%)
≤
three
Burning residue, (w/%)
≤
zero point two five
Lead (Pb), (mg/kg)
≤
two
Ethylene oxide (calculated as C2H4O), (w/%)
≤
66.0-70.5
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
1. 50kg, 200kg plastic drum
2. 1000 kg IBC ton drum