1-Methyl-2-pyrrolidinone

 

1-Methyl-2-pyrrolidinone Introduction:

1-Methyl-2-pyrrolidinone (NMP) is an organic compound with the chemical formula C5H9NO. It is a colorless, hygroscopic liquid with a faint odor. It is miscible with water and most organic solvents. NMP is used as a solvent in a variety of industrial and commercial applications, including paints, coatings, adhesives, inks, and cleaning agents. It is also used as a reaction medium in the production of pharmaceuticals, agrochemicals, and polymers. NMP is toxic and can cause skin and eye irritation.

1-Methyl-2-pyrrolidinone

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1.4-Butanediol

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1.4-Butanediol (chemical formula: HOCH2CH2CH2CH2OH) is one of the isomers of butanediol, a terminal dihydroxy substituent of butane, which is a colorless, viscous liquid at room temperature. Industrially, BDO is produced by allowing acetylene to react with two molecules of formaldehyde to form BDO, which is then hydrogenated. BDO can also be obtained by gas-phase hydrogenation of anhydrides.
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Tetrahydrofuran

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Tetrahydrofuran (THF) is a colorless, volatile liquid with the odor of ether or acetone and is miscible with water and most organic solvents. THF is highly flammable and may thermally decompose into carbon monoxide and carbon dioxide.
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BDO

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1.4-Butanediol ( BDO ) is used industrially as a solvent and in the manufacture of certain types of plastics, elastic fibers and polyurethanes. In organic chemistry, 1.4-butanediol is used in the synthesis of gamma-butyrolactone (GBL). In the presence of phosphoric acid and high temperatures, 1.4-Butanediol dehydrates into the important solvent tetrahydrofuran. At about 200°C, in the presence of a soluble ruthenium catalyst, the diol undergoes a dehydrogenation reaction to form butyrolactone. BDO is used to synthesize 1,4-butanediol diglycidyl ether, which is then used as an epoxy resin diluent.
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