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[Chemical Knowledge]：Properties and uses of palmitic acid

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Palmitic acid is a common saturated fatty acid with many important properties and uses. In the field of chemical production raw materials, palmitic acid is widely used in the manufacture of various products and materials, such as soap, lubricants, plastics and candles. This article will detail the properties and uses of palmitic acid.

1. the nature of palmitic acid

1. physical properties

palmitic acid is a white or yellowish waxy solid, with a high melting point and boiling point. It is insoluble in water, but soluble in organic solvents, such as ethanol and ether. The molecular structure of palmitic acid contains 16 carbon atoms and 32 hydrogen atoms, the chemical formula is C16H32O2.

2. chemical properties

palmitic acid has a typical carboxylic acid properties, can react with alkali to generate salt, can also react with alcohol to generate ester. In addition, palmitic acid can also undergo oxidation, reduction, addition and polymerization reactions.

2. the use of palmitic acid

1. manufacture soap

palmitic acid is one of the important raw materials for the manufacture of soap. It reacts with sodium hydroxide to produce sodium stearate, a common soap ingredient. Sodium stearate has good foaming and cleaning ability, so it is widely used in the manufacture of various soaps and detergents.

2. Manufacture of Lubricant

palmitic acid can be used to manufacture lubricants. When it is mixed with a mixture such as paraffin, it can produce a grease with good lubricating properties. This lubricant is widely used in the fields of machinery, automobiles and aviation.

3. Manufacturing plastic

palmitic acid can be used as plastic additives, can improve the toughness and impact resistance of plastic. In addition, palmitic acid can also be used to make some special plastic products, such as plastic pipes and containers with good cold resistance.

4. make candles

palmitic acid can be used to make candles. After it is mixed with paraffin, it can produce a candle with good burning performance and luster. In addition, palmitic acid can also be used to make some special candles, such as scented candles.

In short, palmitic acid has a wide range of uses in the field of chemical production raw materials, and can be used to make various products and materials such as soap, lubricants, plastics and candles.

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