cyme (2)

[CEMENT.] Cement. Cement or cyme , wherewith stones be joyned together in a lumpe. Litho call a ." - Huicet . camphor, C10H160, with phosphoric anhydride, P2O5; from thymol by the action of phosphorus pent a sulphide, P2S5: also from cumin oil by separat ing the cuminic aldehyde by combining it with acid sodium sulphite, and then distilling off the cymene. Cymene occurs in cumin oil, in the seed of the Water Hemlock, Cicuta virosa . Also obtained in the distillation of coal-tar. Cymene is an agreeable smelling liquid, boiling at 175. It di olves in concentrated sulphuric acid, forming sulphonic acid. By the action of chromic acid mixture it is oxidized into terephthalic acid, C6H4COOH (1-4). By the action of nitric acid it yields also para toluic acid, CH3 C6H4COOH. IMG:content-1702.png:[blocks in formation] Chem.: C10H15N. An aromatic base, boiling at 250°, obtained by the reduction of the nitro-derivative. †çy-mif-er-ous, a . [Lat. cyma [CYME]; fero = to bear, and Eng. suff. -ous.] Bot.: Bearing a cyme or cymes.