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:
№A705
CAS Rn:【5192-04-1】
Molecular weight: 132.16
Simple formula: C8H8N2
Chemical structure formula:
SPECIFICATIONS:
Appearance : Crystals or crystalline powder
Colour : Brown to black
Purity : 97.0% min (HPLC)
Melting point : 96-100℃
Loss on drying : 0.5% max
Packing : In 25kg net drum with PE liners