SbF5
Antimony pentafluoride
CAS: 7783-70-2
Molecular Formula: F5Sb
SbF5 - Names and Identifiers
| Name | Antimony pentafluoride |
| Synonyms | SbF5 Pentafluoroantimony ANTIMONY(V) FLUORIDE antimonyfluoride(sbf5) Antimony pentafluoride ANTIMONY PENTAFLUORIDE antimony(v)pentafluoride Antimony fluoride (SbF5) Antimony(V) pentafluoride |
| CAS | 7783-70-2 |
| EINECS | 232-021-8 |
| InChI | InChI=1/5FH.Sb/h5*1H;/q;;;;;+5/p-5 |
SbF5 - Physico-chemical Properties
| Molecular Formula | F5Sb |
| Molar Mass | 216.75 |
| Density | 2.993g/mLat 25°C(lit.) |
| Melting Point | 7°C(lit.) |
| Boling Point | 149.4 °C |
| Flash Point | 149.5°C |
| Water Solubility | reacts vigorously with H2O, becoming hydrolyzed [HAW93] [KIR78] |
| Solubility | liquid sulfur dioxide: slightly soluble(lit.) |
| Vapor Presure | 10 mm Hg ( 25 °C) |
| Vapor Density | 2.2 (vs air) |
| Appearance | Shiny Flakes or Powder |
| Color | White to off-white |
| Merck | 13,702 |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Physical and Chemical Properties | Antimony pentafluoride, chemical formula sbf5. Molecular weight 216.74. Colorless thick oily liquid. In the Air smoke, irritation, strong hygroscopicity. Melting point of 7 deg C, boiling point of 149.5 deg C, the relative density of 2.9925. Soluble in water, potassium fluoride solution. Chemical reaction ability is very strong, and hydrofluoric acid and fluorosulfonic acid form a super acid, acid increased significantly. Strong oxidation. Various adducts and molecular compounds are readily generated. Can corrode skin, can also corrode glass, but almost no corrosion of quartz, platinum and aluminum and stainless steel. It has a weak corrosion effect on copper and lead. Corrosion is enhanced when hydrogen fluoride impurity is contained. Preparation Method: can be prepared by antimony or antimony trifluoride and fluorine gas direct reaction, or from antimony pentachloride or antimony trifluoro dichloride and hydrogen fluoride reaction. Purposes: for organic synthesis and system super acid. |
SbF5 - Risk and Safety
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28 - After contact with skin, wash immediately with plenty of soap-suds. S27 - Take off immediately all contaminated clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S22 - Do not breathe dust. |
| UN IDs | UN 2923 8/PG 2 |
| WGK Germany | 3 |
| RTECS | CC5800000 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 28261990 |
| Hazard Note | Corrosive/Oxidising agent |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LC50 ihl-mus: 270 mg/m3 GISAAA 35(7),25,70 |
SbF5 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | HF/SbF5 is an excellent medium for the preparation of hypoalkylene oxide salts. |
| production method | to an aluminum reactor equipped with a gas inlet tube, a reflux condenser, and a thermowell, add 600g of antimony pentachloride, the temperature of the reflux condenser was maintained at -45 °c. While maintaining the temperature of the reaction mixture at 10 to 35 ° C., 360g of hydrogen fluoride gas was introduced from the gas introduction pipe within 2 to 3 hours. Thereafter, the mixture was heated to 60 to 70 ° C. Until the generation of hydrogen chloride was stopped, and then cooled to 40 ° C. As shown in Fig. The temperature of the reflux condenser was then raised to 12-25 °c to distil off Unreacted hydrogen fluoride. Finally, the reactor was heated to 140-150 °c to remove the hydrogen fluoride. The residue in the reactor at this time was crude antimony pentafluoride and contained a small amount of antimony (v) chlorofluoride as an impurity. The crude antimony pentafluoride was fractionated in an aluminum apparatus and stored in an aluminum container in a closed manner. |
| category | corrosive article |
| toxicity grade | high toxicity |
| Acute toxicity | inhalation-mouse LC50: 270 mg/m3 |
| explosive hazard characteristics | reaction with phosphate |
| flammability hazard characteristics | water decomposition to produce corrosive hydrogen fluoride gas to produce hydrofluoric acid; Flammable in case of flammability; Warehouse ventilation and low temperature drying; separate storage from food raw materials: dry powder, foam, sand, carbon dioxide, flammable water mist; Toxic fluoride and antimonide smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from organic substances |
| extinguishing agent | dry sand, carbon dioxide |
| Occupational Standards | TWA 0.5 mg (antimony)/m3; Tel 2.5 mg (antimony)/M3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:21:28
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