Potassium Hydroxide Pellets Extra Pure 1kg
pellets EMPROVE® ESSENTIAL Ph Eur,BP,JP,NF,FCC,E 525
Manufacturer: Merck
Catalog ID: 105032.1000
Stock: In Stock
Description
| Catalogue Number | 105032 |
| Synonyms | Potash caustic |
Product Information
| CAS number | 1310-58-3 |
| EC index number | 019-002-00-8 |
| EC number | 215-181-3 |
| Grade | Ph Eur,BP,JP,NF,FCC,E 525 |
| 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 (acidimetric, KOH) | ≥ 85.0 % |
| Assay (total alkalinity calc. as KOH) | 85.0 - 100.5 % |
| Assay (K) | ≥ 59.9 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble substances | passes test |
| Carbonate (as K₂CO₃) | ≤ 2.0 % |
| Chloride (Cl) | ≤ 0.008 % |
| Phosphate (PO₄) | ≤ 0.002 % |
| Silicate (SiO₂) | ≤ 0.01 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Al (Aluminium) | ≤ 0.001 % |
| As (Arsenic) | ≤ 0.0003 % |
| Ca (Calcium) | ≤ 0.002 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.001 % |
| Hg (Mercury) | ≤ 0.00001 % |
| Na (Sodium) | ≤ 1.0 % |
| Pb (Lead) | ≤ 0.0002 % |
| Zn (Zinc) | ≤ 0.0025 % |
| Residual solvents (Ph Eur/USP/ICH) | excluded by manufacturing process |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities).Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). | |
| Conforms to Ph Eur, BP, JP, NF, FCC, E525Conforms to the purity criteria on food additives according to the current European Commission Regulation. |
