Medicinal grade polysorbate 80 Sorbitan Oleate Tween 80 Emulsifier

Pharmaceutical grade polysorbate 80 Sorbitan oleate Tween 80 Emulsifier Pharmaceutical Grade Polysorbate 80 Sorbitan Oleate Tween 80 Emulsifier Polysorbate 80(II.
) Polysorbate80 (II.
) [9005-65-6] This strain is polyoxyethylene 20 oleate sorbitan
polymerized from plant-derived sorbitan oleate and ethylene oxide.

【Properties】This product is a colorless to slightly yellow viscous liquid
.

This product is easily soluble in water, ethanol, methanol or ethyl acetate and very slightly soluble
in mineral oil.

Relative density The relative density of this product (general 0601) is 1.
06 ~ 1.
09
.

Viscosity The kinematic viscosity of this product (general principle 0633 first method), at 25 ° C (capillary inner diameter of 2.
0 ~ 2.
5 mm) is 350 ~ 450 mm2 / s
.

Acid value Take 10g of this product, precise weighing, placed in a 250ml Erlenmeyer flask, add neutral ethanol (phenolphthalein indicator liquid is neutral) 50ml, so that dissolved, attached to the reflux condenser boiled for 10 minutes, let cool, add phenolphthalein indicator solution 5 drops, with sodium hydroxide titration solution (0.
1mol / L) titration, acid value (general 0713) shall not exceed 1.
0
.

Hydroxyl value The hydroxyl value of this product (general 0713) is 65 ~ 80
.

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