Sodium ethyl xanthate
| Names | |
|---|---|
| IUPAC name
sodium O-ethylcarbonodithioate | |
| Other names
Sodium ethylxanthogenate Sodium-O-ethyl dithiocarbonate SEX | |
| Identifiers | |
3D model (JSmol) |
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| Abbreviations | SEX |
| ChemSpider | |
| ECHA InfoCard | 100.004.947 |
| EC Number |
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PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C3H5NaOS2 | |
| Molar mass | 144.18 g·mol−1 |
| Appearance | Pale yellow powder |
| Density | 1.263 g/cm3 |
| Melting point | 182 to 256 °C (360 to 493 °F; 455 to 529 K) |
| Boiling point | decomposes |
| 450 g/L (10 °C) | |
| Acidity (pKa) | 1.6 |
| Basicity (pKb) | 12.4 |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H228, H302, H311, H314, H315, H319, H332, H335 | |
| P210, P240, P241, P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P370+P378, P403+P233, P405, P501 | |
| 250 °C (482 °F; 523 K) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Sodium ethyl xanthate (SEX) is an organosulfur compound with the chemical formula CH3CH2OCS2Na. It is a pale yellow powder, which is usually obtained as the dihydrate. Sodium ethyl xanthate is used in the mining industry as a flotation agent. A closely related potassium ethyl xanthate (KEX) is obtained as the anhydrous salt.