| Name | Selenium tetrachloride |
| Synonyms | SELENIUM CHLORIDE selenium, tetrachloro- SELENIUM (IV) CHLORIDE Selenium tetrachloride (T-4)-Seleniumchloride Seleniumchloride(SeCl4),(T-4)- (beta-4)-seleniumchloride(secl4 Selenium(IV) chloride (-8 mesh) |
| CAS | 10026-03-6 |
| EINECS | 233-053-5 |
| InChI | InChI=1/Cl4Se/c1-5(2,3)4 |
| Molecular Formula | Cl4Se |
| Molar Mass | 220.772 |
| Density | 2.6 g/mL at 25 °C(lit.) |
| Melting Point | 200-210 °C |
| Boling Point | 288°C |
| Water Solubility | Decomposes in water and moist air. Insoluble in liquid bromine. Sublimes when heated |
| Appearance | Form Powder, color yellow |
| Refractive Index | 1.807 |
| Physical and Chemical Properties | EPA Chemical Information Selenium chloride (SeCl4), (T-4)- (10026-03-6) |
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R33 - Danger of cumulative effects R23/25 - Toxic by inhalation and if swallowed. |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S28 - After contact with skin, wash immediately with plenty of soap-suds. S20/21 - |
| UN IDs | UN 3290 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | VS7875000 |
| TSCA | Yes |
| Hazard Class | 8 |
| Packing Group | II |
| Raw Materials | Thiocarbonyl selenide Perchloromethylmercaptan |
| Specific gravity | 2.6 |
| Sensitivity | Moisture Sensitive |
| Merck | 14,8438 |
Production method
It is made by the interaction of elemental selenium and sulfone chloride or with thionyl chloride under heating. Preserved in ampoules.
category
Toxic substances
Toxicity classification
Highly toxic
flammability hazard characteristics
Incombustible; When heated or exposed to water, the acid emits highly toxic hydrogen selenide gas
storage and transportation features
The warehouse is ventilated and dry at low temperature; stored and transported separately from acids and food
Fire extinguishing agent
Carbon dioxide, dry powder, sand
occupational standards
TLV-TWA 0.2 mg (selenium)/m3; STEL 0.3 mg/m3