Potassium Sulfate GR 1kg
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 105153.1000
Stock: In Stock
Description
| Catalogue Number | 105153 |
| Replaces | PX1595; PX1595-1; PX1595-5; PX1595-6; PX1595-20 |
| Synonyms | Potassium pyrosulfate |
Product Information
| CAS number | 7778-80-5 |
| EC number | 231-915-5 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | K₂O₄S |
| Chemical formula | K₂SO₄ |
| Molar Mass | 174.26 g/mol |
| HS Code | 3105 10 00 |
Physicochemical Information
| Boiling point | 1689 °C (1013 hPa) |
| Density | 2.66 g/cm3 (20 °C) |
| Melting Point | 1069 °C |
| pH value | 5.5 - 8.5 (50 g/l, H₂O, 20 °C) |
| Bulk density | 800 kg/m3 |
| Solubility | 111 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 6600 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric) | ≥ 99.0 % |
| Insoluble matter | ≤ 0.01 % |
| pH-value (5 %; water, 25 °C) | 5.5 - 7.5 |
| Chloride (Cl) | ≤ 0.0005 % |
| Total nitrogen (N) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0002 % |
| Ca (Calcium) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.0005 % |
| Mg (Magnesium) | ≤ 0.002 % |
| Na (Sodium) | ≤ 0.02 % |
| Corresponds to ACS,ISO,Reag. Ph Eur |
