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[Chemical Knowledge]：Properties and Uses of MIBK (4-Methyl-2-pentanone)

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MIBK(4-methyl -2-pentanone) is an important organic chemical raw material, which is widely used in the fields of medicine, pesticide, spice, dye, plastic and rubber. This article will detail the properties and uses of MIBK.

1. the properties of MIBK

MIBK is a colorless transparent liquid with a special smell of ketone. Its molecular formula is C6H12O and its molecular weight is 100.16. MIBK has a boiling point of 115.9°C, a melting point of -86.6°C, a relative density of 0.8054(20/4°C), a refractive index of 1.4004, and a flash point of 21°C. MIBK is insoluble in water, but is miscible with organic solvents such as alcohols, ethers, and benzene.

MIBK has strong reactivity and can react with a variety of compounds such as addition, condensation and esterification. In addition, MIBK is flammable and toxic and needs to be stored and used properly.

2. the use of MIBK

1. pharmaceutical intermediates
MIBK is an important pharmaceutical intermediates, can be used in the production of anti tuberculosis drug isoniazid, antidepressant amitriptyline, antitumor drug cyclophosphamide and other drugs. In addition, MIBK can also be used to produce vitamin B1, vitamin B6 and other nutritional drugs.

2. Pesticide intermediates
MIBK can also be used to produce pesticide intermediates, such as insecticides, fungicides and herbicides. For example, MIBK can be used to produce the insecticide imidacloprid and the fungicide carbendazim, among others.

3. Perfume and Dye Intermediates
MIBK can be used as a perfume and dye intermediate for the production of various flavors and dyes. For example, MIBK can be used to produce the fragrance citral and the dye phthalocyanine blue, among others.

4. Plastic and rubber additives
MIBK can be used as a plastic and rubber additive to improve the performance of plastics and rubber. For example, MIBK can be used to produce additives such as plasticizers and antioxidants.

In short, MIBK is an important organic chemical raw material, which is widely used in the fields of medicine, pesticide, spice, dye, plastic and rubber.

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