Potassium Disulfite extra pure
ürün Kodu : 105056.5000Sorunuz!
105056.5000
POTASSIUM DISULFITE extra pure
| Ürün bilgisi | |||
|---|---|---|---|
| Grade | Ph Eur,NF,E 224 | ||
| Synonyms | Potassium metabisulfite, Potassium pyrosulfite | ||
| Hill Formula | K2O5S2 | ||
| Chemical formula | K2S2O5 | ||
| HS Code | 2832 20 00 | ||
| EC number | 240-795-3 | ||
| Molar mass | 222.33 g/mol | ||
| CAS number | 16731-55-8 | ||
| Kimyasal ve fiziksel veri | |||
|---|---|---|---|
| Solubility | 450 g/l (20 °C) | ||
| Melting point | 150 °C (decomposition) | ||
| Molar mass | 222.33 g/mol | ||
| Density | 2.34 g/cm3 | ||
| Bulk density | 1000 - 1300 kg/m3 | ||
| pH value | 3.0 - 4.5 (50 g/l, H2O, 20 °C) | ||
| GHS'e göre güvenlik bilgisi | |||
|---|---|---|---|
| Hazard Statement(s) | H318: Causes serious eye damage. H335: May cause respiratory irritation. EUH031: Contact with acids liberates toxic gas. |
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| Precautionary Statement(s) | P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention. |
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| Signal Word | Danger | ||
| Hazard Pictogram(s) | |||
| Storage class | 10 - 13 Other liquids and solids | ||
| WGK | WGK 1 slightly 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. |
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| Güvenlik bilgisi | |||
|---|---|---|---|
| R Phrase | R 31-37-41 Contact with acids liberates toxic gas.Irritating to respiratory system.Risk of serious damage to eyes. |
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| S Phrase | S 26-39 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection. |
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| Categories of danger | irritant | ||
| Hazard Symbol |
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| Nakliye bilgisi | |||
|---|---|---|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut | ||
| Declaration (transport by sea) IMDG-Code | No Dangerous Good | ||
| Declaration (transport by air) IATA-DGR | No Dangerous Good | ||
| Toksikolojik veri | |||
|---|---|---|---|
| LD 50 oral | LD50 rat 2300 mg/kg | ||
| Spesifikasyonlar | |
|---|---|
| Assay - iodometric |
95.0 - 101.0 % |
| - iodometric, SO2 | 54.8 - 57.6 % |
| Identity | passes test |
| Appearance of solution | passes test |
| pH-value (5 %; water) | 3.0 - 4.5 |
| Chloride (Cl) | ≤ 0.05 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Thiosulfate (S2O3) | passes test |
| As (Arsenic) | ≤ 0.0002 % |
| Cu (Copper) | ≤ 0.0025 % |
| Fe (Iron) | ≤ 0.00100 % |
| Hg (Mercury) | ≤ 0.0001 % |
| Pb (Lead) | ≤ 0.0005 % |
| Se (Selenium) | ≤ 0.0005 % |
| Zn (Zinc) | ≤ 0.00250 % |
| Residual solvents (Ph. Eur./USP/ICH) | Excluded by manufacturing process |
| Residues of metal catalysts or metal reagents acc.to EMEA/CH MP/SWP/4446/2000 are not likely to be present. | |