Poly(ethylene glycol) distearate
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Poly(ethylene glycol) distearate
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CAS No:
9005-08-7
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Formula:
C19H40O4
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Chemical Name:
Poly(ethylene glycol) distearate
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Synonyms:
Polyethyleneglycol3distearate;polyethyleneglycoldistearate#1000;polyglycoldistearate;s1009;s1013;stabogel;POLY(ETHYLENE GLYCOL) (N) DISTEARATE;POLY(ETHYLENE GLYCOL) DISTEARATE
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CAS No:
Description
A soft, off-white solid. PH of 10% dispersion 7.26, saponification number variable. Soluble in chlorinated solvents, light esters, and acetone; slightly soluble in alcohols, insoluble in glycols, hydrocarbons, and vegetable oils. Combustible.
Distearate ester of polyglycol.
Poison by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes. See also POLYETHYLENE GLYCOL.
Characteristics
77.76000
4.91340
Solid
35-37 °C
495.3ºC at 760 mmHg
>230 °F
Polyoxyethylene stearates are generally stable in the presence of electrolytes and weak acids or bases. Strong acids and bases can cause gradual hydrolysis and saponification.
The bulk material should be stored in a well-closed container, in a dry place, at room temperature.
at 100.00%. mild waxy
Safety Information
NONH for all modes of transport
1
TQ4375000
Polyoxyethylene stearates are generally stable in the presence of electrolytes and weak acids or bases. Strong acids and bases can cause gradual hydrolysis and saponification.The bulk material should be stored in a well-closed container, in a dry place, at room temperature.
P261, P264, P272, P280, P302+P352, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P501
H315
Polyethylene glycol distearate is unstable in hot alkaline solutions owing to hydrolysis, and will also saponify with strong acids or bases. Discoloration or precipitation can occur with salicylates, phenolic substances, iodine salts, and salts of bismuth, silver, and tannins.Complex formation with preservatives may also occur.The antimicrobial activity of some materials such as bacitracin, chloramphenicol, phenoxymethylpenicillin, sodium penicillin, and tetracycline may be reduced in the presence of polyoxyethylene stearate concentrations greater than 5% w/w.
Poly(ethylene glycol) distearate Use and Manufacturing
Put 1 mol of polyethylene glycol 400 into the reaction kettle, heat and melt, start stirring, and add catalyst amount of sulfuric acid and 2 mol of stearic acid. Increase the temperature, reflux at 0.6 kPa for about 6 h, discharge to the neutralization kettle, neutralize to an acid value of 9-10 mgKOH/g, and the neutralization is complete. Let go of the waste alkaline water, add appropriate amount of hydrogen peroxide to decolorize, stir while hot to form, the package is the finished product after drying.
This product is used as an emulsifier and thickener in the cosmetics and detergent industries. It can also be used as a plasticizer for various resins, as a dewatering component for abrasive pastes and polishing pastes.
POLY(ETHYLENE GLYCOL) (N) DISTEARATE is used as an emulsifier for personal care and water treatment and as a processing aid in textile industry.
Polyethylene glycol distearate is prepared by the direct reaction of fatty acids, particularly stearic acid, with ethylene oxide.
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