溴化钠

产品信息
Synonyms Bromo sodium
Formula Hill BrNa
Chemical formula NaBr
HS Code 2827 51 00
EC number 231-599-9
Molar mass 102.89 g/mol
CAS number 7647-15-6
化学及物理数据
Solubility 905 g/l (20 °C)
Melting point 755 °C
Molar mass 102.89 g/mol
Density 3.20 g/cm3 (20 °C)
pH value 5.4 (50 g/l, H2O, 20 °C)
Boiling point 1393 °C
Vapor pressure 1.3 hPa (806 °C)
安全标示
RTECS VZ3150000
Storage class (VCI) 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
毒物学数据
LD 50 oral LD50 rat 3500 mg/kg
LD 50 dermal LD50 rabbit > 2000 mg/kg
分类
Assay (argentometric; calculated on dried substance) 99.0 - 100.5 %
Identity passes test
Appearance of solution passes test
Alkalinity passes test
Acidic or alkaline impurities passes test
Bromate(BrO3) passes test
Chloride (Cl) ≤ 0.2 %
Iodide (I) passes test
Sulphate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0002 %
Ba (Barium) passes test
Ca (Calcium) ≤ 0.005 %
Fe (Iron) ≤ 0.001 %
Mg (Magnesium) ≤ 0.002 %
Magnesium and alkaline-earth metals (as Ca) ≤ 0.02 %
Residual solvents (Ph. Eur./ICH) excluded by manufacturing process
Loss on drying (105 °C; 3 h) ≤ 3.0 %