Fundamental Organic Chemistry
Fundamental Organic Chemistry
Fundamental Organic Chemistry
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solvent Bp( O C) Useful for<br />
water 100<br />
Salts amides some<br />
carboxylic acids<br />
methanol 65 General use<br />
ethanol 78 General use<br />
acetone 56 General use<br />
ethylacetate 77 General use<br />
dichloromethane 40 General use<br />
Diethyl ether 35 General use<br />
Chloroform 61 General use<br />
toluene 111 Aromatic compound<br />
benzene 80 Aromatic compound<br />
Hexane(petroleum<br />
ether)<br />
69 hydrocarbons<br />
Table 1: Some common crystallization solvents<br />
Ideally, a compound to be crystallized should be soluble in the hot solvent,<br />
but insoluble in the cold solvent. When a proper solvent cannot be found, a<br />
chemist may use a solvent pair.<br />
13
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