Sentence Examples


  • GLYCOLS, in organic chemistry, the generic name given to the aliphatic dihydric alcohols.
  • Glycols may be classified as primary, containing twoCH(OH groups; primary-secondary, containing the grouping - CH(OH) CH (OH; secondary, with the grouping - CH(OH) CH(OH) -; and tertiary, with the grouping > C (OH) (OH) C
  • The tertiary glycols are known as pinacones and are formed on the reduction of ketones with sodium amalgam.
  • The glycols are somewhat thick liquids, of high boiling point, the pinacones only being crystalline solids; they are readily soluble in water and alcohol, but are insoluble in ether.
  • Two propylene glycols, C3H302, are known, viz.
 

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