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[Chemical Knowledge]：What are the upstream raw materials for octadecanol? What do the downstream products contain?

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Octadecanol plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The main upstream and downstream associated products of octadecanol will be described in detail below.

upstream products:

1. stearic acid: stearic acid is one of the main raw materials of octadecanol, octadecanol is generated through esterification. Stearic acid is widely found in animal and vegetable oils and fats and can be extracted by fractionation, pressing and other methods.
2. Propylene: Propylene is an important raw material in the petrochemical industry. Aldehydes can be generated through the oxo synthesis reaction of olefins, and then further reduced to produce octadecanol.

Downstream Products:

1. Surfactant: Octadecanol can be used as a raw material for surfactants, such as glyceryl stearate, sorbitan stearate, etc. These surfactants have good emulsification, dispersion, wetting and other properties, and are widely used in daily chemical, textile, pesticide and other fields.
2. cosmetics: eighteen alcohol has good moisturizing and ductility, often as the matrix of cosmetics raw materials, such as moisturizing cream, emulsion and so on. At the same time, octadecanol can also be used as an emulsifier, stabilizer, etc. in cosmetics.
3. Plastic additives: octadecanol can be used as plastic additives, such as plasticizers, heat stabilizers, etc., to improve the processing performance and long-term use of plastics.
4. pharmaceutical intermediates: octadecanol can be used as raw materials for pharmaceutical intermediates, for the synthesis of some drugs, such as vitamin E.

In short, octadecanol has a wide range of upstream and downstream related products in the field of chemical production raw materials, which plays an important role in promoting the development of the chemical industry.

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