The most basic chemical raw materials for organic chemistry are small molecule substances such as ethylene and propylene, mainly obtained through crude oil cracking.
Organic chemical raw materials are the abbreviation of organic chemical industry, also known as organic synthesis industry. It is an industry that mainly produces various organic raw materials based on oil, natural gas, coal, etc.
The direct raw materials for basic organic chemical industry include hydrogen gas, carbon monoxide, methane, ethylene, acetylene, propylene, carbon-4 and above fatty hydrocarbons, benzene, toluene, xylene, ethylbenzene, etc. After separation and treatment, the cracking gas of crude oil, petroleum fractions or low-carbon alkanes, refinery gas, and coal gas can be used to produce fatty hydrocarbon raw materials for different purposes; Aromatic raw materials can be separated from reformed gasoline from catalytic reforming, cracked gasoline from hydrocarbon cracking, and coal tar from coal dry distillation; Appropriate petroleum fractions can also be directly used as raw materials for certain products; Wet natural gas can separate low-carbon alkanes other than methane; Syngas can be produced by steam conversion or partial oxidation of coal gasification and natural gas, refinery gas, petroleum fractions, or crude oil; Calcium carbide produced from coke, or acetylene can be produced by cracking natural gas or naphtha. In addition, raw materials can also be obtained from agricultural and forestry by-products.
Use To
The uses of basic organic chemical products can be summarized into three main aspects:
① Production of synthetic rubber, synthetic fibers, plastics, and other polymer chemical raw materials, i.e. monomers for polymerization reactions;
② Other organic chemical industries, including raw materials for fine chemical products;
③ Used for certain direct consumption according to the nature of the product, such as as as solvents, refrigerants, antifreeze agents, heat carriers, gas absorbers, as well as anesthetics and disinfectants directly used in medicine.