Potassium ethylxanthate
Synonym(s):Potassium xanthogenate;KEX;Potassium O-ethyl dithiocarbonate;Potassium ethylxanthogenate, Potassium xanthogenate;Potassium-O-ethyldithiocarbonate
- CAS NO.：140-89-6
- Empirical Formula: C3H5KOS2
- Molecular Weight: 160.3
- MDL number: MFCD00004931
- EINECS: 205-439-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:15
What is Potassium ethylxanthate?
Chemical properties
Light Green Solid
The Uses of Potassium ethylxanthate
As reagent in analytical chemistry.
The Uses of Potassium ethylxanthate
Potassium ethyl xanthate is used as a reagent for extraction of metal ions into organic solvents and in the preparation of 2-mercapto benzimidazoles and 2-mercapto benzoxazoles by reacting with o-phenylenediamines and o-amino phenols respectively. It acts as a precursor in the production of unsymmetrical sulfides through cross-coupling reaction and as a floatation agent in the mining industry. It is involved in the determination of cadmium in water samples by substoichiometric radiochemical method and the adsorption of colloidal dye disperse Blue 3 onto pretreated polyester fabric.
The Uses of Potassium ethylxanthate
Potassium ethyl xanthogenate (ethyl potassium xanthogenate) has been used:
- in synthesis of unsymmetrical sulfides via cross-coupling reaction, using recyclable CuO nanoparticles under ligand-free conditions
- as surfactant to investigate the adsorption of colloidal dye Disperse Blue 3 onto pretreated polyester fabric
- in determination of microgram amounts of cadmium in water samples by substoichiometric radiochemical method
Definition
Colorless or light-yellow crystals. Soluble in water and alcohol; insol- uble in ether.
Hazard
Toxic by ingestion.
Flammability and Explosibility
Highly flammable
Purification Methods
Crystallise it from absolute EtOH, ligroin/ethanol or acetone by adding Et2O. Wash it with ether, then dry it in a desiccator. Its solubility in Me2CO is 8% at 25o. [Beilstein 3 H 563, 3 I 196, 3 II 367, 3 III 1101, 3 IV 1274.]
Properties of Potassium ethylxanthate
| Melting point: | 209-214 °C |
| Boiling point: | 462.37℃[at 101 325 Pa] |
| Density | 1,558 g/cm3 |
| vapor pressure | 0Pa at 25℃ |
| Flash point: | 96°C |
| storage temp. | Store below +30°C. |
| solubility | alcohol: soluble(lit.) |
| form | Crystalline Powder |
| color | Yellow |
| PH | 9-10 (100g/l, H2O, 20℃) |
| Water Solubility | Soluble in water. |
| Merck | 14,7696 |
| BRN | 3596974 |
| Stability: | Stable. Incompatible with strong acids, strong bases, strong oxidizing agents. |
| CAS DataBase Reference | 140-89-6(CAS DataBase Reference) |
| EPA Substance Registry System | Potassium ethyl xanthate (140-89-6) |
Safety information for Potassium ethylxanthate
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H228:Flammable solids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Potassium ethylxanthate
| InChIKey | JCBJVAJGLKENNC-UHFFFAOYSA-M |
Potassium ethylxanthate manufacturer
RAIGAD CHEMICALS PVT LTD
Mumbai
product: Technical Grade Powder Potassium Ethyl Xanthate / Pex / Cas No.140-89-6, For Industrial
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