| Description | |
|---|---|
| Catalogue Number | 105091 |
| Synonyms | Potassium persulfate |
| Product Information | |
|---|---|
| CAS number | 7727-21-1 |
| EC index number | 016-061-00-1 |
| EC number | 231-781-8 |
| Hill Formula | K₂O₈S₂ |
| Molar Mass | 270.32 g/mol |
| HS Code | 2833 40 00 |
| Applications | |
|---|---|
| Application | Potassium peroxodisulfate for analysis EMSURE®. CAS 7727-21-1, pH 3.2 (50 g/l, H₂O, 20 °C). |
| Physicochemical Information | |
|---|---|
| Density | 2.48 g/cm3 (20 °C) |
| Melting Point | 100 °C (decomposition) |
| pH value | 3.2 (50 g/l, H₂O, 20 °C) |
| Bulk density | 1150 kg/m3 |
| Solubility | 50 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 802 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |  |
| Hazard Statement(s) | H272: May intensify fire; oxidizer. H302: Harmful if swallowed. H315: Causes skin irritation. H317: May cause an allergic skin reaction. H319: Causes serious eye irritation. H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled. H335: May cause respiratory irritation. |
| Precautionary Statement(s) | P280: Wear protective gloves. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor. |
| Signal Word | Danger |
| RTECS | SE0400000 |
| Storage class | 5.1B Oxidizing hazardous materials |
| WGK | WGK 1 slightly water endangering |
| Disposal | 22 Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I. |
| Safety Information | |
|---|---|
| Hazard Symbols | HarmfulOxidising |
| Categories of danger | oxidizing, harmful, irritant, sensitizing |
| R Phrase | R 8-22-36/37/38-42/43 Contact with combustible material may cause fire.Harmful if swallowed.Irritating to eyes, respiratory system and skin.May cause sensitisation by inhalation and skin contact. |
| S Phrase | S 22-24-26-37 Do not breathe dust.Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves. |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | UN 1492 , 5.1, III |
| Declaration (transport by air) IATA-DGR | UN 1492 , 5.1, III |
| Declaration (transport by sea) IMDG-Code | UN 1492 , 5.1, III |
| Specifications | |
|---|---|
| Assay (iodometric) | ≥ 99.0 % |
| Chloride (Cl) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.003 % |
| Fe (Iron) | ≤ 0.001 % |
| Mn (Manganese) | ≤ 0.0001 % |