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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 | ![]() ![]() |
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 % |