Assay (alkalimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.001 %
pH-value (5 %; water, 25 °C): 5.0 - 6.0
Chloride (Cl): ≤ 0.0003 %
Nitrate (NO₃): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.000075 %
As (Arsenic): ≤ 0.00002 %
Ca (Calcium): ≤ 0.001 %
Cd (Cadmium): ≤ 0.0001 %
Cr (Chromium): ≤ 0.000075 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.0005 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.0001 %
Residue on ignition (as sulfate): ≤ 0.005 %
Loss on Drying (105 °C): ≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur
Quality Level | 300 |
grade | ACS reagent |
Reag. Ph. Eur. | |
reag. ISO | |
vapor pressure | <1 Pa ( 25 °C) |
potency | 2840 mg/kg LD50, oral (Rat) |
pH | 5 (100 g/L in H2O) |
mp | >280 °C (dec.) (lit.) |
solubility | 754-764 g/L |
density | 1.77 g/mL at 25 °C (lit.) |
bulk density | 850 kg/m3 |
SMILES string | N.N.OS(O)(=O)=O |
InChI | 1S/2H3N.H2O4S/c;;1-5(2,3) |
InChI key | BFNBIHQBYMNNAN-UHFFFAOYSA |
storage conditions | Store at +5°C to +30°C. |
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