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Adipic acid

Adipic acid (Adipic acid), also known as fatty acid, is an important organic dibasic acid, can occur salt reaction, esterification reaction, amidation reaction, etc., and can be condensed with two amines or diols into high molecular polymer. Adipic acid is a dicarboxylic acid of great industrial significance. It plays an important role in chemical production, organic synthesis industry, medicine, lubricant manufacturing and so on.

Sodium hydrosulfide

Sodium hydrosulfide

Colorless needle crystals. Easily deliquescent. Hydrogen sulfide is liberated at the melting point. Soluble in water and alcohol. The aqueous solution is strongly alkaline. It reacts with acid to produce hydrogen sulfide. The taste is bitter. Dye industry is used for the synthesis of organic intermediates and additives for the preparation of sulfur dyes, leather industry is used for hair removal and tanning of hides, chemical fertilizer industry is used to remove monomer sulfur from activated carbon desulfurizer, mining industry is widely used for copper ore dressing, man-made fiber production is used for sulfurous acid dyeing, etc., is the raw material for the manufacture of ammonium sulfide and pesticide ethanethiol semi-finished products, but also used for wastewater treatment. It is obtained by absorbing hydrogen sulfide gas from sulfide alkali or caustic soda solution.

Methylal

Methylal is a colorless, clear and volatile flammable liquid with chloroform odor and irritation. It is soluble in 3 times of water (32% (mass) in water at 20 ℃). It is irritating to the mucous membrane and has an anesthetic effect. Inhalation of vapor can cause irritation of the nose and throat; high concentration inhalation of dizziness and so on. There is damage to the eyes, and the damage can last for several days. Long-term skin contact can cause dry skin.

1,4-Dioxane

1,4-dioxane, also known as 1,4-dioxane, is an organic compound, chemical formula C4H8O2, is a colorless transparent liquid, miscible with water, miscible in most organic solvents, mainly used as cellulose nitrate, celluloid, cellulose resin, vegetable oil, mineral oil and oil soluble dyes and other solvents, it is also used in the manufacture of paint, varnish, plasticizer, wetting agent, polishing agent, paint remover, spices, preservatives, fumigation disinfectant, deodorant and medical supplies.

N-Aminoethyl piperazine

N-Aminoethyl piperazine

N-aminoethyl piperazine, referred to as AEP, is an organic compound with a chemical formula of C6H15N3, which is a colorless or light yellow transparent liquid. It is used as a raw material for the production of polyurethane resin, a curing agent for epoxy resin and a modifier for alkyd resin.

Pyridine

N-aminoethyl piperazine, referred to as AEP, is an organic compound with a chemical formula of C6H15N3, which is a colorless or light yellow transparent liquid. It is used as a raw material for the production of polyurethane resin, a curing agent for epoxy resin and a modifier for alkyd resin.

Phosphoric acid

Phosphoric acid

Phosphoric acid or orthophosphoric acid, chemical formula H3PO4, molecular weight of 97.9724, is a common inorganic acid, is a strong acid. It can be obtained by dissolving phosphorus pentoxide in hot water. Orthophosphoric acid is obtained by treating apatite with sulfuric acid in industry. Phosphoric acid is easily deliquescent in air. Heating will lose water to obtain pyrophosphoric acid, and then further loss of water to obtain metaphosphoric acid. Phosphoric acid is mainly used in pharmaceutical, food, fertilizer and other industries, and can also be used as a chemical reagent.

Epoxidized soybean oil

Epoxidized soybean oil

Epoxy soybean oil (epoxidized soybean oil, referred to as ESO), is a kind of organic matter, chemical formula (RC2H2OR'COO)3C3H5, at room temperature for light yellow viscous oily liquid. Non-toxic. Boiling point 150 ℃(0.53 kPa). Soluble in most organic solvents and hydrocarbons, insoluble in water. It has excellent heat resistance, light resistance and compatibility. Commonly used in PVC products as a plasticizer, especially suitable for PVC transparent products, food packaging products and other non-toxic products.

Furfural

Furfural, is an organic compound, chemical formula C5H4O2, colorless transparent oily liquid, similar to the special smell of benzaldehyde. Mainly used as industrial solvent, can also be used for the preparation of furfuryl alcohol, furoic acid, tetrahydrofuran, γ-valerolactone, pyrrole, tetrahydropyrrole, etc. On October 27, 2017, the list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization was preliminarily collated and referenced, and furfural was included in the list of 3 types of carcinogens.

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