Properties :
Grade : ACS reagent, reag. ISO, reag. Ph. Eur.
Vapor density : 3.4 (vs air)
Vapor pressure : 2.2 mmHg (20°C) et 5 mmHg (25°C)
Description : crystals
Grade : puriss. p.a.
Assay : ≥ 85%
 
Total impurities :
- reducing impurities, in accordance
- residual solvents, in accordance
- substances precipitated by ammonia, in accordance
  ≤ 0.001 % KMnO₄ red. matter (as O)
  ≤ 0.001 % heavy metals (as Pb)
  ≤ 0.001 % in water insoluble matters
  ≤ 0.001 % volatile acids (as CH₃COOH)
 
bp : 158°C (lit.)
mp : ~40°C (lit.)
Density : 1.685 g/mL at 25°C (lit.)
 
Anion traces :
- chloride (Cl^-): ≤ 2 mg/kg,
- fluoride (F^-): ≤ 1 mg/kg,
- nitrate (NO₃^-): ≤ 3 mg/kg,
- phosphite, hypophosphite (as H₃PO₃) : ≤ 20 mg/kg,
- sulfate (SO₄^2-): ≤ 30 mg/kg,

Cation traces :
- As : ≤ 0.5 mg/kg,
- Ca : ≤ 10 mg/kg,
- Cd : ≤ 1 mg/kg,
- Co : ≤ 1 mg/kg,
- Cr : ≤ 1 mg/kg,
- Cu : ≤ 1 mg/kg,
- Fe : ≤ 5 mg/kg,
- K : ≤ 5 mg/kg,
- Mg : ≤ 5 mg/kg,
- Mn : ≤ 0.5 mg/kg,
- Na : ≤ 20 mg/kg,
- Ni : ≤ 1 mg/kg,
- Pb : ≤ 1 mg/kg,
- Sb : ≤ 2 mg/kg,
- Zn : ≤ 2 mg/kg,

Suitability : passes test for appearance of solution,
 
Gene Information human ... SRC(6714)