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Toxicity and IGR effect of two new neem products against Aedes aegypti (PCSIR strain)

S N Naqvi1, S O Ahmed, F A Mohammad

  • 1Department of Zoology, University of Karachi, Karachi-75270, Pakistan.

Pakistan Journal of Pharmaceutical Sciences
|January 1, 1991
PubMed

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Physical Properties of Amines

Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.