Molecular formula: Sr (NO3)2
Molecular weight:211.63
Physical and chemical properties: White crystalline or powder. crystalline water containing 4 molecules when crystallized at low temperature. Soluble in 1.5 parts of water, the aqueous solution is neutral and slightly soluble in ethanol and acetone. relative density 2.990. melting point 570°C. low toxicity, half lethal dose (rat, oral)2750 mg/kg. Strong oxidation, friction with organic matter or impact can cause combustion or explosion. Irritation.
Applications and Usages: Analytical reagents. electron tube cathode material. Fireworks, flares, flame tubes, matches, television picture tubes and optical glass are also used in medicine.
Specification: HG/T4522-2013
Item | Catalyst grade | Industrial grade |
Sr(NO3)2%, ≥ | 98.5 | 98.0 |
Barium(Ba),%, ≤ | 1.0 | 1.5 |
Calcium(Ca),%, ≤ | 0.5 | 1.5 |
Ferric(Fe),%, ≤ | 0.002 | 0.005 |
Heavy metal(Pb),%, ≤ | 0.001 | 0.005 |
Water insoluble,%, ≤ | 0.05 | 0.10 |
Moisture,%, ≤ | 0.5 | 0.5 |
