<br /> Empirical Formula (Hill Notation): C2K2O4 · xH2O CAS号: 6487-48-5 分子量: 166.22 (anhydrous basis) MDL编号: MFCD00150033 EC索引号: 209-506-8">
ACS reagent
300
<0.1 hPa ( 20 °C)
EMSURE®
99.5-101.0% (oxidimetric)
solid
660 mg/kg LD50, oral (Rat)
≤0.01% Insoluble matter
7.0-8.5 (20 °C, 50 g/L in H2O)
>138 °C (decomposition)
392 g/L (anhydrous substance)
2.20 g/cm3 at 20.4 °C
700‑1100 kg/m3
chloride (Cl-): ≤0.001%sulfate (SO42-): ≤0.01%
Fe: ≤0.0005%NH4+: ≤0.002%Na: ≤0.02%heavy metals (as Pb): ≤0.001%
2-30°C
1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2
QCPTVXCMROGZOL-UHFFFAOYSA-L
Warning
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
11 - Combustible Solids
WGK 1
dust mask type N95 (US), Eyeshields, Gloves