ACS reagent
300
reag. Ph. Eur.
EMSURE®
99.0-101.0% (acidimetric)99.7-100.3% dry basis (acidimetric)
powder
4220 mg/kg LD50, oral (Rat)
≤0.0065% Iodine reducing matter (as I)≤0.015% Insoluble matter
≤0.2% loss on drying, Silica gel
8.6 (20 °C, 50 g/L in H2O)
(1) 6.37, (2) 10.25 (carbonic acid)
270 °C (decomposition)
96 g/L
2.22 g/cm3 at 20 °C2.16 g/mL at 25 °C (lit.)
1000 kg/m3
chloride (Cl-): ≤0.002%phosphate (PO43-): ≤0.001%phosphate, silicate (as SiO2): ≤0.005%sulfate (SO42-): ≤0.015%sulfur compounds (as SO42-): ≤0.003%
As: ≤0.0002%Ca: ≤0.01%Cu: ≤0.0002%Fe: ≤0.0005%K: ≤0.005%Mg: ≤0.005%N: ≤0.0005%NH4+: ≤0.0005%Pb: ≤0.0005%heavy metals (as Pb): ≤0.0005%
2-30°C
[Na+].OC([O-])=O
1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
UIIMBOGNXHQVGW-UHFFFAOYSA-M
13 - Non Combustible Solids
WGK 1