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[Chemical Knowledge]：Properties, uses, upstream and downstream raw materials, storage methods, national standard of n-butyl stearate

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Basic properties of n-butyl stearate

n-Butyl stearate (Butyl Stearate) is an organic compound with the chemical formula C22H44O2. It is prepared by esterification of stearic acid and n-butanol. As a kind of long-chain fatty acid ester, it is colorless to pale yellow liquid at normal temperature, and has a slight oil smell. Its molecular weight is 340.58g/mol, its density is about 0.85g/cm³, and its boiling point is about 343°C. It has high thermal stability and good solubility, and can dissolve a variety of organic solvents and oils.

Application of n-butyl stearate

n-Butyl stearate is widely used in many industries because of its unique physical and chemical properties. In cosmetics and personal care products, n-butyl stearate is often used as a lubricant, emulsifier and softener, which can increase the silky feel and emollient effect of the product. In the plastics industry, it is used as a plasticizer, especially in the processing of polyvinyl chloride (PVC) and other plastics, which can improve the flexibility and processing performance of products. n-Butyl stearate is also widely used in the manufacture of lubricating oils and greases because of its good thermal stability and low temperature fluidity, which can improve lubricating properties and wear resistance.

Stearate n-butyl ester upstream and downstream raw materials

Upstream raw materials

The main upstream raw materials for n-butyl stearate include stearic acid and n-butanol. Stearic acid is usually obtained by hydrolysis or hydrogenation of oils and fats, and is a long-chain saturated fatty acid. n-Butanol is a common alcohol compound, which is usually produced by ethylene addition reaction or fermentation method. Both of these feedstocks are common and readily available in chemical production.

Downstream Products

The downstream products of n-butyl stearate mainly include various plastic products, cosmetics, personal care products, lubricants and greases. These products are widely used in daily life, and the demand is large, which drives the market demand for n-butyl stearate. With the enhancement of environmental awareness, n-butyl stearate, as a relatively environmentally friendly plasticizer, has gradually received more attention and has a broad market prospect.

Storing method of n-butyl stearate

N-butyl stearate requires care to prevent oxidation and moisture during storage. Should be stored in a closed, cool, dry environment, avoid direct sunlight and high temperature. Storage containers shall be plastic or metal drums with good sealing to prevent volatilization and contamination of the product. Keep away from fire and heat sources and avoid contact with strong oxidants. The storage area should have good ventilation conditions to prevent safety hazards caused by leakage or volatilization.

Safety and environmental protection of n-butyl stearate

As a chemical, n-butyl stearate needs to be safe in use and handling. Although it is less toxic, prolonged contact with skin and eyes should be avoided, and operators should wear appropriate protective equipment, such as gloves and goggles. In the event of leakage, it should be cleaned up in time and properly disposed of pollutants. N-butyl stearate has a certain biodegradability in the environment, which is relatively environmentally friendly, but it still needs to properly dispose of waste to avoid environmental pollution.

Market prospects and trends

N-butyl stearate has broad application prospects in the global market. As the cosmetics, personal care, plastics and lubricants industries continue to grow, the demand for n-butyl stearate will continue to increase. Especially in the market of environmentally friendly plasticizers and high-performance lubricants, the application potential of n-butyl stearate is huge. The continuous advancement of technology will further improve the production efficiency and product quality of n-butyl stearate, reduce production costs, and promote its market competitiveness.

Summary

N-butyl stearate is a compound with important industrial application value, and its unique physical and chemical properties make it widely used in many industries. By analyzing its properties, uses, upstream and downstream raw materials and storage methods, it can be seen that n-butyl stearate has a wide range of applications in cosmetics, plastics and lubricants industries. With the continuous growth of market demand and technological progress, the market prospect of n-butyl stearate will be broader. Effective storage and safe handling measures will ensure its safety and environmental protection during production and use.

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