氧化铜，Copper(II) oxide；powder for analysis EMSURE® ACS, ≥99.0% (complexometric)

等级

ACS reagent

质量水平

300

产品线

EMSURE^®

测定

≥99.0% (complexometric)

形式

solid

效能

470 mg/kg LD₅₀, oral (Rat)

杂质

≤0.01% Total sulfur (as SO₄)
≤0.02% Substances insoluble in dilute hydrochloric acid

粒径

≤160 μm (d95,laser diffraction)

pH值（酸碱度）

7 (20 °C, 50 g/L in H₂O, slurry)

mp

1326 °C (decomposition)

密度

6.48 g/cm³ at 25 °C

堆积密度

500 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.005%
sulfur compounds (as SO₄^2-): ≤0.01%

痕量阳离子

C: ≤0.01%
Ca: ≤0.01%
Cr: ≤0.05%
Fe: ≤0.05%
K: ≤0.02%
N: ≤0.002%
Na: ≤0.05%
Pb: ≤0.05%
excess alkali:, passes test

储存温度

no temp limit

InChI

1S/Cu.O

InChI key

QPLDLSVMHZLSFG-UHFFFAOYSA-N