IODINE PENTAFLUORIDE
Iodine pentafluoride
CAS: 7783-66-6
Molecular Formula: F5I
IODINE PENTAFLUORIDE - Names and Identifiers
| Name | Iodine pentafluoride |
| Synonyms | IF5 UN2495 Iodinefluoride Iodine fluoride Pentafluoroiodine Pentalfluoroiodide iodinefluoride(if5) Iodine pentafluoride IODINE PENTAFLUORIDE Iodine fluoride (IF5) pentafluoro-lambda~5~-iodane Iodine pentafluoride [UN2495] [Oxidizer] |
| CAS | 7783-66-6 |
| EINECS | 232-019-7 |
| InChI | InChI=1/F5I/c1-6(2,3,4)5 |
IODINE PENTAFLUORIDE - Physico-chemical Properties
| Molecular Formula | F5I |
| Molar Mass | 221.9 |
| Density | 3,2 g/cm3 |
| Melting Point | 9.4°C |
| Boling Point | 104.5°C |
| Water Solubility | reacts violently with H2O [HAW93] |
| Vapor Presure | 26.664hPa at 20℃ |
| Appearance | yellow liquid |
| Exposure Limit | TLV-TWA 2.5 mg(F)/m3 (ACGIH, MSHA,and OSHA). |
| Physical and Chemical Properties | Iodine pentafluoride (IF5) is a colorless to yellowish fuming liquid with a pungent odor. Highly reactive IF5 (melting point 9.4°C) can be distilled at 100.5°C without decomposition. Decomposition begins at temperatures above 400°C. IF5 is not as popular as p-TolIF2 because F2 gas is used in its preparation and it decomposes in air by releasing moisture that is corrosive to HF. Iodine pentafluoride has good thermal stability and is the most stable interhalogen compound. The reaction activity of IF5 is much weaker than that of other halogen compounds, and it does not interact with silicon, magnesium, copper, iron, chromium at room temperature, and molybdenum, tungsten, phosphorus, arsenic, Antimony, boron, etc., generate corresponding fluoride, such as: 2IF5 2Sb → 2 SbF5 I26IF5 10B → 10BF3 15I2 |
IODINE PENTAFLUORIDE - Risk and Safety
| Hazard Symbols | O - Oxidizing agent |
| Risk Codes | R8 - Contact with combustible material may cause fire R14 - Reacts violently with water R34 - Causes burns |
| Safety Description | S7/9 - S17 - Keep away from combustible material. 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.) |
| UN IDs | 2495 |
| Hazard Note | Oxidising agent |
| Hazard Class | 5.1 |
| Packing Group | I |
IODINE PENTAFLUORIDE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | iodine pentafluoride, as a general fluorinating agent and strong oxidant, plays an important role in organic synthesis, such as can be used to prepare the synthesis of perfluoroalkyl iodide telogen pentafluoroiodoethane: 5 CF2 = CF2 IF5 2 I2 → 5 C2F5I in addition, iodine pentafluoride can also react with isothiocyanane to produce fluorinated hydrocarbon derivatives, and synthesize other fluorine-containing compounds. Iodine pentafluoride (IF5) is rarely used to fluorinate common organic compounds due to the difficulty in controlling their reactivity. |
| category | oxidant |
| explosive hazard characteristics | explosion in water |
| flammability hazard characteristics | decomposition of highly toxic hydrogen fluoride gas in water and moisture; Flammable in organic |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from fuel, acid and organic substance |
| extinguishing agent | dry powder, carbon dioxide |
| Occupational Standard | TLV-TWA2.5 mg (fluorine)/m3; TWA2.5 mg (fluorine)/m3; STEL5 mg (fluorine)/M3 |
Last Update：2024-04-10 22:29:15
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