Potassium Bromide 500gm
for analysis (max. 0,000001% Hg) EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 104905.0500
Stock: In Stock
Description
Catalogue Number | 104905 |
Replaces | PX1380; PX1380-1 |
Synonyms | Hydrobromic Acid Potassium Salt |
Product Information
CAS number | 7758-02-3 |
EC number | 231-830-3 |
Grade | ACS,Reag. Ph Eur |
Hill Formula | BrK |
Chemical formula | KBr |
Molar Mass | 119.00 g/mol |
HS Code | 2827 51 00 |
Physicochemical Information
Boiling point | 1435 °C (1013 hPa) |
Density | 2.75 g/cm3 (20 °C) |
Melting Point | 730 °C |
pH value | 5.5 - 8.5 (50 g/l, H₂O, 20 °C) |
Vapor pressure | 1.3 hPa (795 °C) |
Bulk density | 900 - 1000 kg/m3 |
Solubility | 650 g/l |
Toxicological Information
LD 50 oral | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
Storage | Store at +5°C to +30°C. |
Specifications
Assay (argentometric) | ≥ 99.5 % |
Assay (argentometric; calculated on dried substance) | 99.5 - 100.5 % |
Identity | passes test |
Appearance of solution | passes test |
Insoluble matter | ≤ 0.005 % |
Acidity or alkalinity | passes test |
pH-value (5 %; water) | 5.0 - 8.0 |
Bromate(BrO₃) | passes test |
Bromate (BrO₃) | ≤ 0.001 % |
Chloride (Cl) | ≤ 0.1 % |
Iodate | ≤ 0.001 % |
Iodide (I) | passes test |
≤ 0.001 % | |
Sulfate (SO₄) | ≤ 0.005 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
Ba (Barium) | ≤ 0.002 % |
Ca (Calcium) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.0005 % |
Hg (Mercury) | ≤ 0.000001 % |
Mg (Magnesium) | ≤ 0.001 % |
Na (Sodium) | ≤ 0.02 % |
Magnesium and alkaline-earth metals (as Ca) | ≤ 0.02 % |
Loss on Drying (105°C) | ≤ 0.5 % |