| send us an inquiry |
| LC4891 Potassium hydroxide pellets extra pure Ph Eur,BP,JP,NF,FCC,E 525 |
| Order number | Packaging | Quantity | Price € |
| AC31891 | Plastic bottle | 500 g | inquire |
| AC31891 | Plastic bottle | 1 kg | inquire |
| AC31891 | Plastic bottle | 5 kg | inquire |
| AC31891 | Fibre carton | 25 kg | inquire |
| AC31891 | Fibre carton | 50 kg | inquire |
| Product information | |
| Grade | Ph Eur,BP,JP,NF,FCC,E 525 |
| Synonyms | Potash caustic |
| Hill Formula | HKO |
| Chemical formula | KOH |
| HS Code | 2815 20 00 |
| EC number | 215-181-3 |
| Molar mass | 56.11 g/mol |
| EC index number | 019-002-00-8 |
| CAS number | 1310-58-3 |
| Chemical and physical data | |
| Solubility | 1130 g/l (20 °C) |
| Melting point | 360 °C |
| Molar mass | 56.11 g/mol |
| Density | 2.04 g/cm3 (20 °C) |
| pH value | 14 (56 g/l, H2O, 20 °C) |
| Boiling point | 1320 °C |
| Vapor pressure | (20 °C) |
| Safety information according to GHS | |
| Hazard Statement(s) | H314: Causes severe skin burns and eye damage. H302: Harmful if swallowed. H290: May be corrosive to metals. |
| Precautionary Statement(s) | P280: Wear protective gloves/protective clothing/eye protection/face protection. P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Signal Word | Danger |
| Hazard Pictogram(s) |   |
| RTECS | TT2100000 |
| Storage class | 8 B Non combustible, corrosive substances |
| WGK | WGK 1 slightly water endangering |
| Disposal | 13 Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535). |
| Safety information | |
| R Phrase | R 22-35 Harmful if swallowed.Causes severe burns. |
| S Phrase | S 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Categories of danger | corrosive |
| Hazard Symbol |
|
Corrosive
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 1813 POTASSIUM HYDROXIDE, SOLID, 8, II, Segregation Group: 18 (Alkalis) |
| Declaration (transport by air) IATA-DGR | UN 1813 POTASSIUM HYDROXIDE, SOLID, 8, II |
| Toxicological data | |
| LD 50 oral | LD50 rat 273 mg/kg |
| Specifications | |
| Assay – acidimetric, KOH |
≥ 85.0 % |
| – total alkalinity calc. as KOH | 85.0 – 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble substances | passes test |
| Carbonate (as K2CO3) | ≤ 2.0 % |
| Chloride (Cl) | ≤ 0.004 % |
| Phosphate (PO4) | ≤ 0.002 % |
| Silicate (SiO2) | ≤ 0.01 % |
| Sulphate (SO4) | ≤ 0.003 % |
| 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 |