(o-ethyldithiocarbonato)potassium
Potassium ethylxanthate
CAS: 140-89-6
Molecular Formula: C3H5KOS2
(o-ethyldithiocarbonato)potassium - Names and Identifiers
| Name | Potassium ethylxanthate |
| Synonyms | ethylpotassiumxanthate Potassium ethylxanthate ethylxanthatedepotassium Potassium ethyl xanthate ethylpotassiumxanthogenate ethyl-xanthicacipotassiumsalt (o-ethyldithiocarbonato)potassium dithiocarbonicacid,o-ethylester,potassiumsalt Carbonodithioicacid,O-ethylester,potassiumsalt carbonicacid,dithio-,o-ethylester,potassiumsalt |
| CAS | 140-89-6 |
| EINECS | 205-439-3 |
| InChI | InChI=1/C3H6OS2/c1-2-4-3(5)6/h2H2,1H3,(H,5,6)/p-1 |
| InChIKey | JCBJVAJGLKENNC-UHFFFAOYSA-M |
(o-ethyldithiocarbonato)potassium - Physico-chemical Properties
| Molecular Formula | C3H5KOS2 |
| Molar Mass | 160.3 |
| Density | 1,558 g/cm3 |
| Melting Point | 209-214 °C |
| Boling Point | 462.37℃[at 101 325 Pa] |
| Flash Point | 96°C |
| Water Solubility | Soluble in water. |
| Solubility | Water: very soluble(lit.) Alcohol: soluble(lit.) |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Potassium ethyl xanthate (140-89-6) is white to light yellow crystal or crystalline powder. Soluble in water, soluble in ethanol, melting point 210 ℃ (decomposition). |
| Color | Yellow |
| Merck | 14,7696 |
| BRN | 3596974 |
| PH | 9-10 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong acids, strong bases, strong oxidizing agents. |
| Sensitive | Sensitive to light and easy to absorb moisture |
| MDL | MFCD00004931 |
| Physical and Chemical Properties | White to pale yellow crystals or crystalline powders. Soluble in water, soluble in ethanol, melting point of 210 ° C (decomposition). |
| Use | Act as a collector in metal beneficiation |
(o-ethyldithiocarbonato)potassium - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed R20/22 - Harmful by inhalation and if swallowed. R11 - Highly Flammable |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. |
| UN IDs | 3342 |
| WGK Germany | 3 |
| RTECS | FG1575000 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 4.2 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 1700 mg/kg |
(o-ethyldithiocarbonato)potassium - Upstream Downstream Industry
| Raw Materials | Carbon disulfide Potassium hydroxide Ethyl Alcohol |
(o-ethyldithiocarbonato)potassium - Introduction
Decompose in humid air. It can be decomposed by inorganic acid to precipitate xanthic acid, which is decomposed into ethanol and carbon disulfide. Easily soluble in water, soluble in ethanol, slightly soluble in ether, the aqueous solution is strongly alkaline. Low toxicity, half lethal dose (rat, oral) 1700mg/kg. It's irritating.
Last Update：2022-10-16 17:13:50
(o-ethyldithiocarbonato)potassium - Reference Information
| LogP | -2.24 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | pharmaceutical thiamphenicol intermediate. Reagents for chemical analysis. used for organophosphorus and organochlorine pesticides used as collector in metal beneficiation determination of metals in hydrogen sulfide and ammonium sulfide group, such as copper, silver, nickel, mercury, molybdenum, etc. Determination of alkaloids. Precipitate protein. Flotation agent for metal ore. Organic synthesis. |
| production method | add anhydrous ethanol and caustic potassium to the reaction pot, heat and dissolve, then cool to 20 ℃, add carbon disulfide, release the material while hot, naturally cool, precipitate crystallization, filter, and vacuum dry to obtain potassium xanthate. |
Last Update：2024-04-10 22:29:15
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Raw Materials for (o-ethyldithiocarbonato)potassium