请教生产硝基苯或苯胺所需的原料苯规格? 石油苯和焦化苯都可以满足要求的,但纯度有要求的. Benzene 99.80 wt% min Nonaromatics 1500 ppm wt max Toluene 500 ppm wt max Color (Pt/Co) 20 APHA max Density (20oC) 878-881 kg/m3 Solidification Point 5.4 oC min Total Sulfur 0.5 ppm wt max Thiophene 1 ppm wt max Water saturate ppm wt查看更多