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 % |