Water treatment
Carbohydrazide
Syonoym :dimethyl hydrazine(cardonic dihydrazide);1,3-diamino-urea(1,3-diaminourra),4-amino-half contraction urea(4-aminosemicarbazide)procarbazine.
Molecular formula: CON4H6
Molecular weight: 90.09
Structural formula:
Appearance :white fine short-columnar crystals
Purity :98.0%min
Melting point:150-155℃
Free hydrazine:≤250ppm
Loss on drying :0.2%max
Solubility :insoluble in alcohol,easily soluble in water,dissolved endothermic
Nitrogen content :62.17%
Acid-base properties:12%aqueous solution,PH8.45±1.25
Explosive :intravenous injection,the LD50 of 120mg/KG for mice oral administration ,the LD50 of 167 mg/kg for mice
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