CCRIS 7063
Potassium selenocyanate
CAS: 3425-46-5
Molecular Formula: CKNSe
CCRIS 7063 - Names and Identifiers
| Name | Potassium selenocyanate |
| Synonyms | CCRIS 7063 selenocyanate POTASSIUM SELENOCYAN Potassium selenocyanate Potassium isoselenocyanate Potassium selenoisocyanate Monopotassium selenocyanate Selenocyanic acid potassium Selenocyanic acid, potassium salt Potassium cyanoselenate complex salt |
| CAS | 3425-46-5 |
| EINECS | 222-320-1 |
| InChI | InChI=1/CHNSe/c2-1-3/h3H/p-1 |
| InChIKey | KYEKHFSRAXRJBR-UHFFFAOYSA-M |
CCRIS 7063 - Physico-chemical Properties
| Molecular Formula | CKNSe |
| Molar Mass | 144.08 |
| Density | 2.347 |
| Melting Point | 147°C |
| Boling Point | 134.2°C at 760 mmHg |
| Flash Point | 35°C |
| Water Solubility | Soluble in water, ethanol, dimethyl formamide, hexamethylphosphoramide, acetonitrile and methanol. Slightly soluble in terahydrofuran. |
| Vapor Presure | 8.18mmHg at 25°C |
| Appearance | Crystalline Solid, Powder, Crystals and/or Chunks |
| Specific Gravity | 2.347 |
| Color | White to off-white |
| Exposure Limit | ACGIH: TWA 0.2 mg/m3NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
| BRN | 3912121 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Moisture Sensitive |
CCRIS 7063 - Risk and Safety
| Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R33 - Danger of cumulative effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R28 - Very Toxic if swallowed R23 - Toxic by inhalation |
| Safety Description | S20/21 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 3283 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | VT1400000 |
| TSCA | Yes |
| HS Code | 28429090 |
| Hazard Class | 6.1 |
| Packing Group | II |
CCRIS 7063 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | potassium selenocyanate is an inorganic compound, which is a colorless, easily deliquescent needle crystal. |
| Properties | Potassium selenocyanate is soluble in water, dimethylformamide, ethylene glycol dimethyl ether, hexamethylphosphide triamine, acetonitrile and methanol, Slightly soluble in tetrahydrofuran. |
| Preparation method | Selenium and pure potassium cyanide are eutectic to obtain potassium selenocyanate, which can also be reacted in hot water or ethanol: Se KCN→KSeCN However, the reaction of selenocyanate ion and alcohol will produce malodorous alkyl selenocyanate, and the reaction in ethanol is not liked. The reaction of selenium and potassium ferrocyanate can also obtain potassium selenocyanate: K4[Fe(CN)6] 4 Se-eutectic → 4 KSeCN FeC2 N2 ↑ |
| Uses | As people's attention to solid-state NMR of heavy metal nuclei continues to heat up, several mercury-thiocyanate and selenocyanate compounds have been prepared as potential models. |
Last Update：2024-04-10 22:29:15
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