硫酸钙二水合物，Calcium sulfate dihydrate；precipitated for analysis EMSURE®, 99.0-102.0% (complexometric)

质量水平

300

产品线

EMSURE^®

测定

99.0-102.0% (complexometric)

形式

solid

效能

>10000 mg/kg LD₅₀, oral (Rat)

杂质

≤0.01% Substances insoluble in hydrochloric acid

pH值（酸碱度）

7.0 (20 °C, 50 g/L in H₂O, slurry)

溶解性

2 g/L

密度

2.32 g/cm³ at 20 °C

堆积密度

400‑600 kg/m³

痕量阴离子

carbonate (CO₃^2-): passes test
chloride (Cl^-): ≤0.005%
nitrate (NO₃^-): passes test

痕量阳离子

Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.01%
Na: ≤0.2%
Sr: ≤0.05%
heavy metals (as Pb): ≤0.002%

储存温度

2-30°C

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