Stearic Acid Powder CAS 57-11-4
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- Appearance: White powder
- Assay: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: Stearic Acid Supplement
Stearic Acid Powder: The Complete Guide
Index of Stearic Acid Powder Contents
Stearic Acid for Sale
Basic Info of Stearic Acid Powder
Stearic Acid Powder; sodium stearate; stearic; stearic fatty acid; palmitic acid and stearic acid; stearic acid and oleic acid
Pharmaceutical raw materials; Inorganic salt; Organic intermediate
What is Stearic Acid Powder?
Stearic acid, legal number INS (international number system) 570, EEC No. 570, CAS [57-11-4], white or light yellow-white solid, soluble in alcohol and acetone, easily soluble in ether, chloroform, benzene, tetrachloride Carbon, carbon disulfide, amyl acetate and toluene, etc., with a melting point of 69.6 °C, are one of the main components of grease.
Stearic acid, namely octadecanoic acid, molecular formula C18H36O2, is produced by the hydrolysis of oil and is mainly used to produce stearate. Dissolve each gram in 21ml of ethanol, 5ml of benzene, 2ml of chloroform or 6ml of carbon tetrachloride.
Mainly used in the production of stearate: sodium stearate, magnesium stearate, calcium stearate, lead stearate, aluminum stearate, cadmium stearate, iron stearate, potassium stearate.
Stearic Acid Uses
- Stearic acid powder is used for water hardness determination, and also used as activator and diffusing agent for acidification.
- Stearic acid powder is widely used as plastic cold-resistant plasticizer, stabilizer, surfactant, mold release agent, rubber vulcanization accelerator, etc.
- Lubricant; anti-caking agent; gum base agent; antifoaming agent and other food additives (glyceryl stearate, sorbitan stearate, sucrose ester, etc.) manufacturing raw materials.
- Stearic acid powder is used as an emulsifier for oil-based drilling fluids. It can also be used as lubricant and wetting agent in rubber industry and textile industry.
- Stearic acid powder is used as a vulcanization activator for natural rubber, synthetic rubber (except butyl rubber) and latex, and also as a raw material for plasticizers and stabilizers. In medicine, it is used to formulate ointments, suppositories, etc., and also used in the manufacture of cosmetics, candles, waterproofing agents, polishing agents, etc. This product is used in the food industry as a lubricant, a defoamer and a raw material for food additives such as glycerol stearate, sorbitan stearate, and sucrose ester.
- Stearic acid powder can be used as a gas phase analysis standard, and also used in the preparation of soaps, cosmetics, pharmaceuticals and other organic chemicals. Purpose Determination of water hardness. Calcium, magnesium and lithium were determined in turbidimetry. Solvent for relative molecular weight determination. Active agent that promotes acidification. Commercial stearic acid is actually a mixture of 45% stearic acid and 55% palmitic acid, with a small amount of oleic acid and a slightly fatty odor.
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Application of Stearic Acid Powder
Stearic acid powder is widely used in cosmetics, plastic cold-resistant plasticizer, mold release agent, stabilizer, surfactant, rubber vulcanization accelerator, waterproofing agent, polishing agent, metal soap, metal mineral flotation agent, softener, Pharmaceuticals and other organic chemicals.In addition, stearic acid powder can also be used as a solvent for oil-soluble pigments, a crayon slip agent, a wax paper polisher, an emulsifier for glycerol stearate, and the like.
Stearic acid powder is used in the food industry as a lubricant, a defoaming agent and a raw material for food additives such as glyceryl stearate, sorbitan stearate, and sucrose ester. It is used as the raw material of auxiliary agent and the raw material of daily chemical products.
Stearic acid powder is widely used in the manufacture of PVC plastic pipes, sheets, profiles and films. It is a PVC heat stabilizer with good lubricity and good light and heat stability. In plastic PVC pipes, stearic acid helps prevent “coking” during processing, is an effective heat stabilizer in PVC film processing, and protects the finished film from exposure to sulfides discoloration.
Stearic acid powder plays an important role in the synthesis and processing of rubber. Stearic acid is a widely used vulcanization activator in natural rubber, synthetic rubber and latex, and can also be used as a plasticizer and softener.
In the process of producing synthetic rubber, stearic acid needs to be added as an emulsifier. In the production of foam rubber, stearic acid can be used as a foaming agent, and stearic acid can also be used as a mold release agent for rubber products.
Method for Synthesizing Stearate with Stearic Acid Powder
A method for preparing iron stearate by stearic acid synthesis, comprising the following steps:
- Take 40 parts by weight of stearic acid, 20 parts of soluble iron salt solution, 4 parts of catalyst, and 1 part of water;
- Under normal pressure, 40 parts of stearic acid and 20 parts of soluble iron salt solution were taken under the action of 4 parts of catalyst, and reacted in 1 part of water for 30 minutes, and the temperature was controlled at 125°C;
- The temperature is then lowered to 60° C., and the reaction is continued for 15 minutes. The obtained product is filtered, washed with water and dried to obtain iron stearate.
The concentration of the above-mentioned barium hydroxide aqueous solution is 1-3%. The pH of the above water is 7-9.