POTASSIUM HEXACHLORORHODIUM (III)
potassium hexachlororhodate(iii)
CAS: 13845-07-3
Molecular Formula: Cl6Rh.3K
POTASSIUM HEXACHLORORHODIUM (III) - Names and Identifiers
POTASSIUM HEXACHLORORHODIUM (III) - Physico-chemical Properties
| Molecular Formula | Cl6Rh.3K |
| Molar Mass | 432.92 |
| Water Solubility | Slightly soluble in cold water, insoluble in alcohol. |
| Vapor Presure | 33900mmHg at 25°C |
| Appearance | Powder |
| Color | red |
| Exposure Limit | ACGIH: TWA 0.01 mg/m3; TWA 1 mg/m3NIOSH: IDLH 2 mg/m3; IDLH 100 mg/m3; TWA 0.001 mg/m3; TWA 0.1 mg/m3 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00192414 |
POTASSIUM HEXACHLORORHODIUM (III) - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
POTASSIUM HEXACHLORORHODIUM (III) - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Properties | Potassium hexachlororrhodium (III) is a red crystalline substance, easily soluble in water and insoluble in ethanol. |
| introduction | potassium hexachlororrhodium (III) is purple-red triclinic crystal or powder. Relative density 3.291. When exposed to water, it decomposes and is slightly soluble in alcohol and potassium chloride. It is prepared by heating rhodium and potassium chloride in a chlorine gas stream or adding potassium chloride to a hot rhodium-containing chlorine ligand. Pure products can be used as analytical standard reagents. |
| Use | Potassium hexachlororrhodium (III) is a metal inorganic salt, which is mainly used as an oxidant. |
| preparation | (1) weigh 5kg of thiourea rhodium waste, and the component analysis results are: n 29.36%, c 19.91%, h 4.54%, s 32.40%, o 10.40% and Rh 0.88%; Place the waste in a stainless steel tray and place it in an incinerator. After closing the furnace door, use nitrogen to clear the air in the furnace, raise the temperature to 600 ℃ and keep the temperature for 40min until no obvious white smoke is generated, I .e. carbonization and decomposition are complete;(2) The black carbide obtained in step (1) is introduced into oxygen-enriched air, and when the temperature drops to room temperature, the incineration residue is taken out to obtain 368.5g residue;(3) After grinding and mixing the residue obtained in step (2) with 370g of potassium chloride, it is transferred to a tubular furnace to raise the temperature to 600 ℃ and feed chlorine gas for reaction, A mixture of potassium hexachlororhodium (III) potassium is obtained. |
Last Update：2024-04-10 22:29:15
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