Span 20 / sorbitan Dodecanoate

English Name: span 20; Sorbitan laurate； Sorbitan monododecanoate

Other names: Si ban 20; Sorbitol Dodecanoate; Sorbitan monolaurate; Qingliang tea alcohol laurate; Lauric acid refreshing tea alcohol; Sorbitol laurate monoester; Dodecanoic acid dehydrated sorbitol ester; Company 20; Emulsifier s-20

CAS No.: 1338-39-2

C18H34O6=346.46

Grade: CP

Hydroxyl value: 330 ~ 360kohmg/g

Acid value: ≤ 7kohmg/g

Saponification value: 160 ~ 175kohmg/g

Heavy metals: ≤ 0.001%

Burning residue: ≤ 0.5%

Physicochemical properties: Amber oily or brown viscous liquid, soluble in mineral oil, cottonseed oil, methanol, ethanol, isopropanol and ethylene glycol, insoluble in water and propylene glycol. The relative density (d204) is 1.032. Melting point: 14 ~ 16 ℃. Refractive index (n20d) 1.4740. Hydrophilic lipophilic value (HLB) 8.6. The viscosity is about 4500mpa · s (25 ℃). Flash point > 110 ℃

Purpose: biochemical research. Nonionic surfactant, emulsifier, lubricant, desiccant, gas chromatography stationary liquid, separation and analysis of oxygenated compounds

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