C7H16 HEPTANE, pier. m 100,21. Heptane and its isomers - bestsv. liquids (see the tab. ); well rastvo. in org. r - ritelyakh, not rastvo. in water. Possess all chemical sv - you saturated hydrocarbons. n - Geptan contains in petrol fractions nefty and gas condensates, at katalitich. reforming to - rykh it it is isomerized in isoheptanes and it degidrotsiklizutsya in toluene. n - Geptan it can be allocated from petrol fractions with adsorption on zeolites. Isoheptanes are formed also when hydrocracking last oil fractions (are allocated together with other isoparaffin as a part of petrol fractions) and at isobutane alkylation by propylene in prinut. H2SO4 (0 - 10 °C, 0,3 - 1,2 MPas) or HF (30 - 40 °C, - 1,5 MPas).
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