from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The phenyl derivative of hydrazine C6H5-NH-NH2; it is used in the synthesis of indoles, and in the analysis of sugars etc.
from The Century Dictionary and Cyclopedia
- n. A colorless crystalline mass, C6H5.NH.NH2, which melts at 23° C. and then appears as an oily liquid which readily becomes brown from oxidation. It is extensively utilized as a reagent in the recognition of aldehydes and ketones (and hence of sugars), with which it forms characteristic compounds which in part belong to the hydrazones and in part to the osazones.
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