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| LC5157 Potassium sulfide small lumps for analysis EMSURE |
| Order number | Packaging | Quantity | Price € |
| AC32157 | Plastic bottle | 250 g | 27.225 |
| AC32157 | Plastic bottle | 1 kg | 74.70 |
| Product information | |
| Synonyms | Potassium monosulfide |
| Hill Formula | (l*K2S)(m*K2Sx)(n*K2S2O3) |
| Chemical formula | (l*K2S)(m*K2Sx)(n*K2S2O3) |
| HS Code | 2830 90 85 |
| CAS number | 39365-88-3 |
| Chemical and physical data | |
| Solubility | 500 g/l (20 °C) |
| Melting point | 200 – 250 °C |
| Density | 1.65 g/cm3 (20 °C) |
| Bulk density | 1000 – 1200 kg/m3 |
| pH value | 13 (10 g/l, H2O, 20 °C) |
| Safety information according to GHS | |
| Hazard Statement(s) | H314: Causes severe skin burns and eye damage. H400: Very toxic to aquatic life. EUH031: Contact with acids liberates toxic gas. |
| Precautionary Statement(s) | P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P273: Avoid release to the environment. 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) |   |
| Storage class | 8 A Combustible substances, corrosive |
| WGK | WGK 2 water endangering |
| Disposal | 6 Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E. |
| Safety information | |
| R Phrase | R 31-34-50 Contact with acids liberates toxic gas.Causes burns.Very toxic to aquatic organisms. |
| S Phrase | S 26-36/37/39-45-61 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).Avoid release to the environment. Refer to special instructions/ Safety data sheets. |
| Categories of danger | corrosive, dangerous for the environment |
| Hazard Symbol |  Corrosive Dangerous for the environment |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 3262 CORROSIVE SOLID, BASIC, INORGANIC, N.O.S.(POTASSIUM(POLY)SULFIDE), 8, II, Segregation Group: 18 (Alkalis) |
| Declaration (transport by air) IATA-DGR | UN 3262 CORROSIVE SOLID, BASIC, INORGANIC, N.O.S.(POTASSIUM(POLY)SULFIDE), 8, II |
| Specifications | |
| Assay (complexometric, as K2S) | ≥ 44 % |
| Sulfite (SO3) | ≤ 1 % |
| Thiosulfate (S2O3) | about 20 % |
| Total nitrogen (N) | ≤ 0.01 % |