Potassium Hydrogen Phthalate 250Grm
for analysis EMSURE® Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 104874.0250
Stock: In Stock
Description
| Catalogue Number | 104874 |
Product Information
| CAS number | 877-24-7 |
| EC number | 212-889-4 |
| Grade | Reag. Ph Eur |
| Hill Formula | C₈H₅KO₄ |
| Molar Mass | 204.22 g/mol |
| HS Code | 2917 39 95 |
Physicochemical Information
| Density | 1.636 g/cm3 |
| Melting Point | 295 - 300 °C |
| pH value | 4.0 (50 g/l, H₂O, 20 °C) |
| Bulk density | 900 kg/m3 |
| Solubility | 80 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 3200 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (Perchloric acid titration from dried substance) | ≥ 99.5 % |
| Identity (IR-spectrum) | passes test |
| In water insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.002 % |
| Sulfur compounds (as SO₄) | ≤ 0.005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Cu (Copper) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.01 % |
| Pb (Lead) | ≤ 0.0005 % |
| Loss on Drying (105°C) | ≤ 0.2 % |
| Corresponds to Reag. Ph Eur |
