Structural Formula Vector Image Title: Propylenediamine CAS Registry Number: 78-90-0 CAS Name: 1,2-Propanediamine Molecular Formula: C3H10N2 Molecular Weight: 74.12 Percent Composition: C 48.61%, H 13.60%, N 37.79% Line Formula: CH3CH(NH2)CH2NH2 Literature References: Prepd from propylene dibromide and alcoholic ammonia at 100°. Properties: Extremely hygroscopic, strongly alkaline liq. Rapidly absorbs moisture to form a hemihydrate. d15 0.878 in anhydr form. bp 119-120°. Very sol in water. Keep tightly closed. Boiling point: bp 119-120° Density: d15 0.878 in anhydr form Use: In conjunction with cupric sulfate it is a very sensitive reagent for mercury.

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