Tween 40
Item No.： SAA0019
Store at： RT
English name：Tween 40；Polyoxyethylene sorbitan monopalmitate
Other names: spit mix 40;Polyethoxy palmitic acid cooling tea alcohol; Polyoxyethylene dehydrated sorbitol Monopalmitate; Polysorbate; Dehydrated sorbitol Monopalmitate polyoxyethylene ether
CAS No.: 9005-66-7
Molecular formula: c22h42o6 · (C2H4O) n
Grade: CP
Hydroxyl value: 90 ~ 107kohmg/g
Acid value: ≤ 2.0kohmg/g
Saponification value: 40 ~ 50kohmg/g
Heavy metals: ≤ 0.001%
Moisture: ≤ 3.0%
Physicochemical properties: light yellow liquid (may become gel after placing). Soluble in water, methanol, ethanol, isopropanol, glycol and cottonseed oil, insoluble in vegetable oil and mineral oil. The relative density is about 1.08. Viscosity 400 ~ 600MPa. S. Hydrophilic lipophilic value hlb15.6. Flash point ＞ 149 ℃.
Purpose: biochemical research. Nonionic surfactant. The fixed liquid of gas chromatography (the maximum operating temperature is 140 ℃) is used to separate and analyze fatty acid esters, alcohols, ketones and halides. Water soluble emulsifier. Add solvent. Antistatic agents and fiber lubricants for textile industry
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