Polyoxyethylene sorbitan monopalmitate
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Polyoxyethylene sorbitan monopalmitate
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CAS No:
9005-66-7
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Chemical Name:
Polyoxyethylene sorbitan monopalmitate
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Synonyms:
Sorbitan,monohexadecanoate,poly(oxy-1,2-ethanediyl) derivs.;Sorbitan,monopalmitate,polyoxyethylene derivs.;Polyoxyethylene sorbitan monopalmitate;Polysorbate 40;Tween 40;Polyethylene glycol sorbitan monopalmitate;Polyethylene glycol-sorbitan monopalmitate adduct;Ethoxylated sorbitan monopalmitate;Sorbitan polyethoxy monopalmitate;Tween 16:0;Sorbimacrogol palmitate 300;Nissan Nonion PT 221;Durfax 60;Crill 7;Emsorb 6910;Glycosperse P 20;Sorbitan monopalmitate polyethylene glycol ether;Lonzest SMP 20;MP 55F;Montanox 40;Nikkol TP 10;Polyoxyethylene sorbitan monohexadecanoate;Rheodol TW-P 120;Sorbon T 40;Crillet 2;Polyethylene sorbitan monopalmitate;Emulgen TWP 120;Polyethylene glycol sorbitan monohexadecanoate;Rheodol TW-P 120V;E 434;TP 10EX;Rheodol Super TW-P 120;Nikkol TP 10V;Nikkol TP 10EX;Kotilen P 1;Polyoxyethylene sorbitol monopalmitate;Kolliphor PS 40;118955-40-1;1340-84-7;9015-58-1
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CAS No:
Characteristics
133.14000
7.22
viscous liquid
1.10 g/cm3
0.1 °C
>230 °F
n20/D 1.47(lit.)
H2O: 100 g/L
Store at RT.
LD50 orally in Rabbit: > 38400 mg/kg
Characteristic odor
Bitter
Safety Information
NONH for all modes of transport
1
24/25
WG2933000
Polysorbates are stable to electrolytes and weak acids and bases; gradual saponification occurs with strong acids and bases. The oleic esters are sensitive to oxidation. Polysorbates are hygroscopic and should be examined for water content prior to use and dried if necessary. Also, in common with other polyoxyethylene surfactants, prolonged storage can lead to the formation of peroxides.
Polyoxyethylene sorbitan monopalmitate Use and Manufacturing
Put 1 mol Span 40 into the reaction kettle, after heating and melting, add 50% sodium hydroxide as a catalyst with stirring, evacuate, depressurize dehydration, replace the air in the kettle with nitrogen after dehydration, and drive the air clean. Pass in 20 mol of ethylene oxide for esterification reaction. The esterification temperature is maintained at 160-180°C and the pressure is 0.2-0.3 MPa. After passing ethylene oxide, cool to about 90°C, adjust the acid value with glacial acetic acid, and the acid value is 1.5-2 mgKOH/g to complete the neutralization, and finally decolorize with hydrogen peroxide, cool and release the package to be the finished product.
Used This product is used as emulsifier, solubilizer, stabilizer, diffusion agent and fiber lubricant. Used as O/W food emulsifier, used alone or mixed with Span-60, Span-65, Span-80. my country stipulates that it can be used in vegetable protein beverages, and the maximum use amount is 2.0g/kg. Used as stabilizer, wetting agent, diffuser, antistatic agent, etc.
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Polyoxyethylene sorbitan monopalmitate
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