基本信息
线性分子式 | CaSO4 · 2H2O |
分子量 | 172.17 |
EC 号 | 231-900-3 |
MDL编号 | MFCD00149625 |
PubChem化学物质编号 | 329752796 |
NACRES | NB.24 |
产品性质
质量水平 | 200 |
等级 | ACS reagent |
测定 | 98% 98.0-102.0% (ACS specification) |
形式 | powder |
杂质 | ≤0.02% insol. dil. HCl |
痕量阴离子 | carbonate (CO32-): passes test chloride (Cl-): ≤0.005% nitrate (NO3-): ≤0.005% |
痕量阳离子 | Fe: ≤0.001% K: ≤0.005% Mg: ≤0.02% Na: ≤0.02% Sr: ≤0.05% heavy metals: ≤0.002% (by ICP-OES) |
SMILES string | O.O.[Ca++].[O-]S([O-])(=O)=O |
InChI | 1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2 |
InChI key | PASHVRUKOFIRIK-UHFFFAOYSA-L |
安全信息
储存分类代码 | 13 - Non Combustible Solids |
WGK | WGK 1 |
闪点(F) | Not applicable |
闪点(C) | Not applicable |
Sigma-Aldrich