Di-Potassium Oxalate Monohydrate GR 250gm
for analysis EMSURE® ACS
Manufacturer: Merck
Catalog ID: 105073.0250
Stock: In Stock
Description
| Catalogue Number | 105073 |
| Synonyms | Oxalic acid dipotassium salt monohydrate |
| Description | di-Potassium oxalate monohydrate |
Product Information
| CAS number | 6487-48-5 |
| EC index number | 607-007-00-3 |
| EC number | 209-506-8 |
| Grade | ACS |
| Hill Formula | C₂K₂O₄ * H₂O |
| Chemical formula | K₂C₂O₄ * H₂O |
| Molar Mass | 184.24 g/mol |
| HS Code | 2917 11 00 |
Physicochemical Information
| Density | 2.20 g/cm3 (20.4 °C) |
| Melting Point | >138 °C Not applicable,(decomposition) |
| pH value | 7.0 - 8.5 (50 g/l, H₂O, 20 °C) |
| Vapor pressure | <0.1 hPa (20 °C) |
| Bulk density | 700 - 1100 kg/m3 |
| Solubility | 392 g/l (anhydrous substance) |
Toxicological Information
| LD 50 oral | LD50 Rat 660 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (oxidimetric) | 99.5 - 101.0 % |
| Insoluble matter | ≤ 0.01 % |
| Neutrality | passes test |
| Chloride (Cl) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.01 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| NH₄ (Ammonium) | ≤ 0.002 % |
| Fe (Iron) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.02 % |
| Substances darkened by hot sulfric acid | passes test |
| Corresponds to ACS |