<br /> 线性分子式: CrK(SO4)2 · 12H2O CAS号: 7788-99-0 分子量: 499.40 EC 号: 233-401-6 MDL编号: MFCD00149917 PubChem化学物质编号: 329752454 NACRES: NB.24">
ACS reagent
200
≥98%98.0-102.0% (ACS specification)
crystals
reagent type: catalystcore: chromium
≤0.01% insolubles
89 °C (lit.)
chloride (Cl-): ≤0.002%
Al: ≤0.02%Fe: ≤0.01%NH4+: ≤0.01%heavy metals (as Pb): ≤0.01%
O.O.O.O.O.O.O.O.O.O.O.O.[K+].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
1S/Cr.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
ZFVHBEKVAITXHW-UHFFFAOYSA-J
Warning
Eye Irrit. 2 - Skin Irrit. 2
11 - Combustible Solids
WGK 3