In this passage, the quotation is well-introduced. The author of the quotation is identified, as is the quotation's relation to the previous statement. From the introduction, the reader can detect the contrast between the quotation and the first sentence of the paragraph. Achieving Variety when Introducing Quotations.
(also cinnamic aldehyde, Î²-phenylacrolein), C 6 H 5 CH=CHCHO, a fatty-aromatic unsaturated aldehyde; a colorless liquid with the characteristic odor of cinnamon. It has a boiling point of 252Â°C and a density of 1.110 g/cm 3 (at 20Â°C). It is poorly soluble in water and very soluble in alcohol and ether. Cinnamaldehyde is a component of many essential oils (cinnamon oil and others).
Liquid formaldehyde will be considered briefly in this section, and the gaseous form is reviewed elsewhere 570. Formaldehyde is sold and used principally as a water-based solution called formalin, which is 37% formaldehyde by weight.The aqueous solution is a bactericide, tuberculocide, fungicide, virucide and sporicide 72, 82, 571-573.iquid formaldehyde will be considered briefly in this section, and the gaseous form is reviewed elsewhere 570. Formaldehyde is sold and used principally as a water-based solution called formalin, which is 37% formaldehyde by weight.