ACS reagent
200
<0.1 hPa ( 20 °C)
≥99%99.0-101.0% (ACS specification)
crystalline powdercrystals or granules
≤0.005% insolubles
≤0.02%
6-7 (25 °C, 14.2 g/L)
133 °C (dec.) (lit.)
chloride (Cl-): ≤0.002%sulfate (SO42-): ≤0.002%
Fe: ≤2 ppmheavy metals: ≤5 ppm (by ICP)
OC(C(O)=O)=O.N.O.N
1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2
MSMNVXKYCPHLLN-UHFFFAOYSA-N
Warning
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
13 - Non Combustible Solids
WGK 1