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| LC4909 Potassium carbonate for analysis EMSURE ACS,ISO,Reag. Ph Eur |
| Order number | Packaging | Quantity | Price € |
| AC31909 | Plastic bottle | 500 g | 26.78 |
| AC31909 | Plastic bottle | 1 kg | 50.85 |
| AC31909 | Fibre carton | 50 kg | Inquire |
| Product information | |
| Grade | ACS,ISO,Reag. Ph Eur |
| Synonyms | potash |
| Hill Formula | CK2O3 |
| Chemical formula | K2CO3 |
| HS Code | 2836 40 00 |
| EC number | 209-529-3 |
| Molar mass | 138.21 g/mol |
| CAS number | 584-08-7 |
| Chemical and physical data | |
| Solubility | 1120 g/l (20 °C) |
| Melting point | 891 °C |
| Molar mass | 138.21 g/mol |
| Density | 2.43 g/cm3 (20 °C) |
| Bulk density | 750 kg/m3 |
| pH value | 11.5 – 12.5 (50 g/l, H2O, 20 °C) |
| Safety information according to GHS | |
| Hazard Statement(s) | H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation. |
| Precautionary Statement(s) | P302 + P352: IF ON SKIN: Wash with plenty of soap and water. 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 | Warning |
| Hazard Pictogram(s) |  |
| RTECS | TS7750000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Safety information | |
| R Phrase | R 36/37/38 Irritating to eyes, respiratory system and skin. |
| S Phrase | S 22-26 Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| Categories of danger | irritant |
| Hazard Symbol |
|
irritant
| Toxicological data | |
| LD 50 oral | LD50 rat > 2000 mg/kg |
| Specifications | |
| Assay – acidimetric; calculated on dried substance |
≥ 99.0 % |
| – acidimetric | ≥ 99.0 % |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.003 % |
| Phosphate (PO4) | ≤ 0.001 % |
| Silicate (SiO2) | ≤ 0.005 % |
| Total sulfur (as sulphate) | ≤ 0.003 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.002 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0005 % |
| Mg (Magnesium) | ≤ 0.002 % |
| Na (Sodium) | ≤ 0.02 % |
| Pb (Lead) | ≤ 0.0005 % |
| Substances precipitated by ammonia | ≤ 0.01 % |
| Loss on drying (300 °C) | ≤ 1.0 % |