Packs sizes (3)
Technical data
- Solubility:
- 1000 g/L (H2O)
- Physical Description:
- Solid
- Product Code:
- A1049
- Product Name:
- Urea for analysis, ACS, molecular biology
- Specifications:
- DNases/RNases/Proteases: not detectable
Assay (from N): min. 99.0 %
Assay (Perchl. Ac.): 99.0 - 100.5 %
pH (8 M; H2O; 20°C): 7.5 - 10.5
Heavy metals (as Pb): max. 0.001 %
Identity (IR): passes test
Melting range: 132 - 135°C
Loss on drying: max. 0.5 %
Insoluble matter in H2O: max. 0.005 %
Residue on ignition (as SO4): max. 0.01 %
Chloride: max. 0.0005 %
Sulfate: max. 0.001 %
Fe: max. 0.0005 %
Zn: max. 0.0005 %
Sr: max. 0.0002 %
Co: max. 0.0005 %
Be: max. 0.0002 %
Si: max. 0.0002 %
Sn: max. 0.0002 %
Cu: max. 0.0005 %
Al: max. 0.0002 %
Ni: max. 0.0005 %
Mn: max. 0.0005 %
Tl: max. 0.0002 %
Cd: max. 0.0005 %
V: max. 0.0002 %
Mg: max. 0.0002 %
Mo: max. 0.0002 %
B: max. 0.0002 %
Ba: max. 0.0002 %
In: max. 0.0002 %
Ag: max. 0.0002 %
K: max. 0.0002 %
Pb: max. 0.0005 %
Pt: max. 0.0002 %
Ti: max. 0.0002 %
Cr: max. 0.0002 %
A (1 cm/8 M in H2O)
260 nm: max. 0.05
280 nm: max. 0.02
- WGK:
- 1
- Storage:
- RT
- EINECS:
- 200-315-5
- CS:
- 31021010