Translation - urea characteristic
The urea is one kind of achromatic color, tasteless, the odourlessness acicular or the orthogonal prism build crystallizes, in the actual production is granulated for the white or the tint; The granularity may be possible to be small greatly according to enterprise's characteristic; When heats up to 132.7℃ starts to melt, the solid urea density is 1.335g/cm 3, dissolves in the water and the few organic reagents, the urea assumes the alkalescency, may live the salifying with the acid function, when the temperature surpasses 60℃, the urea in the acid, the alkalinity or the neutral solution has the hydrolisis. Emits the nitrogen with the nitrous acid function. The urea easy to absorb moisture, when in the air relative humidity is bigger than the urea moisture absorption, it on absorption air in moisture content, but deliquescence.
Characteristics of urea
characteristics of (acid)urease