crude benzene the quality of crude benzene meets the requirements of national standards and the production license for hazardous chemicals has been obtained. quality standards are shown below:
appearance
yellow transparent liquid
density
0.871-0.900
prior to 75℃(%)
—
prior to 180℃ (%)
≥
93
96% (soluble)is distilled at
—
moisture
no visible insoluble in water by visual inspection at room temperature (18-25℃)
