Use and Manufacturing

1 Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

2 Definition

ChEBI: A cyclic ketone that consists of cyclohexane bearing a single oxo substituent.

3 Environmental Fate

Biological. In activated sludge inoculum, 96.0% COD removal was achieved. The average rateof biodegradation was 30.0 mg COD/g?h (Pitter, 1976). Photolytic. Atkinson (1985) reported an estimated photooxidation rate constant of 1.56 x 10-11cm3/molecule?sec for the reaction of cyclohexanone and OH radicals in the atmosphere at 298 K.Chemical/Physical. Cyclohexanone will not hydrolyze because it has no hydrolyzablefunctional group. At an influent concentration of 1,000 mg/L, treatment with GAC resulted in effluentconcentration of 332 mg/L. The adsorbability of the carbon used was 134 mg/g carbon (Guisti etal., 1974). Similarly, at influent concentrations of 10, 1.0, 0.1, and 0.01 mg/L, the GAC adsorptioncapacities were 36, 6.2, 1.1, and 0.19 mg/g, respectively (Dobbs and Cohen, 1980).

4 Potential Exposure

May form explosive mixture with air.Contact with oxidizing agents or nitric acid may cause aviolent reaction. Do not use brass, copper, bronze, or leadfittings. Attacks many coatings and plastic materials.

5 Purification Methods

Dry cyclohexanone with MgSO4,CaSO4, Na2SO4 or Linde type 13X molecular sieves, then distil it. Cyclohexanol and other oxidisable impurities can be removed by treatment with chromic acid or dilute KMnO4. More thorough purification is possible by conversion to the bisulfite addition compound, or the semicarbazone, followed by decomposition with Na2CO3 and steam distillation. [For example, equal weights of the bisulfite adduct (crystallised from water) and Na2CO3 are dissolved in hot water and, after steam distillation, the distillate is saturated with NaCl and extracted with Et2O which is then dried (anhydrous MgSO4 or Na2SO4), filtered and the solvent evaporated prior to further distillation.] FLAMMABLE [Beilstein 7 III 14, 7 IV 15.]

6 Shipping

UN1915 Cyclohexanone, Hazard Class: 3;Labels: 3-Flammable liquid.

7 Usage

Industrial solvent for cellulose acetateresins, vinyl resins, rubber, and waxes; solventsealerfor polyvinyl chloride; in printing industry;coating solvent in audio and videotapeproduction

8 Waste Disposal

Dissolve or mix the materialwith a combustible solvent and burn in a chemical incinera-tor equipped with an afterburner and scrubber. All federal,state, and local environmental regulations must beobserved. Cyclohexanone Preparation Products And Raw materials Raw materials