Potassium Hydroxide Pellets 250Grm
pellets for analysis (max. 0.002% Na) EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 105021.0250
Stock: In Stock
Description
| Catalogue Number | 105021 |
| Synonyms | Potash caustic |
Product Information
| CAS number | 1310-58-3 |
| EC index number | 019-002-00-8 |
| EC number | 215-181-3 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | HKO |
| Chemical formula | KOH |
| Molar Mass | 56.11 g/mol |
| HS Code | 2815 20 00 |
Physicochemical Information
| Density | 2.04 g/cm3 (20 °C) |
| Melting Point | 360 °C |
| pH value | 14 (56 g/l, H₂O, 20 °C) |
| Solubility | 1130 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 333 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (KOH) | 85.0 - 100.5 % |
| Assay (total alkalinity calc. as KOH) | 85.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Carbonate (as K₂CO₃) | ≤ 1.0 % |
| Chloride (Cl) | ≤ 0.0005 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Silicate (SiO₂) | ≤ 0.002 % |
| Sulfate (SO₄) | ≤ 0.0005 % |
| Total nitrogen (N) | ≤ 0.0003 % |
| Heavy metals (as Ag) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Al (Aluminium) | ≤ 0.0002 % |
| Ca (Calcium) | ≤ 0.0005 % |
| Cd (Cadmium) | ≤ 0.00001 % |
| Cu (Copper) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.0005 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Mn (Manganese) | ≤ 0.00005 % |
| Na (Sodium) | ≤ 0.002 % |
| Ni (Nickel) | ≤ 0.0001 % |
| Pb (Lead) | ≤ 0.0001 % |
| Zn (Zinc) | ≤ 0.0001 % |
