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cyclohexanone (cyclohexanone)

Bargaining 09-26 18:06 Update

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cyclohexanone

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  • cyclo-hexanone
  • 2-cyclohexanone
  • Cyclohexanone
  • cyclohexyloxide
  • Cyclohexanon
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108-94-1 C6H10O 98.143 2914220000

Product Description

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Nature Description

Colorless transparent liquid, with soil flavor, with mint flavor when containing trace amounts of phenol. The impure material is light yellow, and it develops color with impurities generated during storage time, showing water white to grayish yellow, with pungent odor. Melting Point-47℃, boiling point ℃,47℃(2kPa), relative density 0.947(20/4 ℃), refractive index 1.450, Flash Point (Open Cup) 54℃, vapor pressure 2kPa(47℃), viscosity 2.2mPa · s(25℃), autoignition point 520-580 ℃. The explosion limit of mixing with air is 3.2-9.0 (volume). Solubility in water 10.5(10℃), solubility in cyclohexanone 5.6(12℃), soluble in ethanol and ether. Solubility in cold water is greater than that in hot water.
0.947 155oC -47oC 46oC 150G/L(10oC) 1.445-1.456 150G/L(10oC)

Product Applications

Used as raw material and solvent for synthetic resin and synthetic fiber; Used as organic solvent; Used as raw material for producing caprolactam and adipic acid, used as solvent and diluent for paint, ink, synthetic resin and synthetic rubber, it is also used as leather grease-removing agent, etc. Cyclohexanone is an important chemical raw material and is used to make nylon..

Production method

In the 1940 s, the industrial production of cyclohexanone adopted the hydrogenation of phenol as raw material to generate cyclohexanol, and then hydrogenated to cyclohexanone. In the 1960 s, with the development of petrochemical industry, the method of producing cyclohexanone by oxidation of cyclohexane gradually dominated the industry. In 1967, the method of one-step preparation of cyclohexanone by phenol hydrogenation studied by Dutch national mining company (DSM) realized industrialization. This method has short production process, good product quality and high yield, but the price of raw material phenol and catalyst is relatively high, so most of the industry still adopts cyclohexane oxidation. 1. Phenol method uses nickel as catalyst, hydrogen from phenol to cyclohexanol, and then uses zinc as catalyst to dehydrate to cyclohexanone. 2. The oxidation method of cyclohexane uses cyclohexane as raw material, and uses oxygen-enriched air to oxidize cyclohexyl hydrogen peroxide without catalysis, and then decomposes into a mixture of cyclohexanol and cyclohexanone, alcohol and ketone in the presence of tert-Butyl chromate catalyst, qualified products can be obtained through a series of distillation refining. Raw material consumption quota: cyclohexane (99.6)1040kg/t. 3. Benzene hydrooxidation method benzene and hydrogen are hydroreacted at 120-180 ℃ in the presence of nickel catalyst to generate cyclohexane, and cyclohexane and air are oxidized at 150-160 ℃ and 0.908MPa to generate a mixture of cyclohexanol and cyclohexanone, cyclohexanone product was isolated. Cyclohexanol is reacted in the presence of zinc-calcium catalyst at 350-400 ℃ to generate cyclohexanone. Raw material consumption quota: benzene (99.5)1144kg/t, hydrogen (97.0)1108kg/t, liquid alkali (42.0)230kg/t.

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S25: avoid contact with eyes.

R10: flammable. R20: Harmful inhalation.

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The warehouse is ventilated cryodrying and stored separately from the oxidant.

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