北京成宇化工有限公司 版權所有(C)2023 網絡支持 著作權聲明 備案號:
№A601
CAS Rn:【4769-96-4】
Molecular weight: 162.14
Simple formula: C8H6N2O2
Chemical structure formula:
SPECIFICATIONS:
Appearance : crystal
Colour : yellow
Purity : 99.0% min (HPLC)
Melting point : 139~141℃
Loss on drying : 0.5% max
Packing : In 25kg net drum with aluminium film bag liners