Carbonyl fluoride
- Carbonic difluoride
- Fluorphosgene
- Carbon oxyfluoride
- Carbon difluoride oxide
- Difluoroformaldehyde
Carbonyl fluoride | |
| |
| Formula | COF2 |
| Structure | |
| Description | A colorless gas with a pungent odor. |
| Uses | Chemical intermediate in organic synth, eg, fluorinated alkyl isocyanates. |
| Registry Numbers and Inventories. | |
| CAS | 353-50-4 |
| EC (EINECS/ELINCS) | 206-534-2 |
| RTECS | FG6125000 |
| RTECS class | Other |
| UN (DOT) | 2417 |
| Merck | 12,1868 |
| Beilstein/Gmelin | 1039 (G) |
| RCRA | U033 |
| Swiss Giftliste 1 | G-4597 |
| Canada DSL/NDSL | NDSL |
| US TSCA | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | CFO |
| Formula mass | 66.01 |
| Boiling point, °C | -82 |
| Vapor pressure, mmHg | 29200 (25 C) |
| Vapor density (air=1) | 1.139 |
| Density | 1.139 (liquid)g/cm3 (-114 C), 1.388 (solid)g/cm3 (-190 C) |
| Solubility in water | Decomposes |
| Partition coefficient, pKow | 0.94 |
| Heat of vaporization | 18.0 kJ/mol |
| Hazards and Protection. | |
| Storage | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. |
| Handling | All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood. |
| Protection | Wear appropriate protective gloves, clothing and goggles. |
| Respirators | Wear positive pressure self-contained breathing apparatus (SCBA). |
| Small spills/leaks | Attempt to stop leak if without undue personnel hazard. Do not use water. Neutralize spilled material with crushed limestone, soda ash, or lime. Apply water spray or mist to knock down vapors. Land spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. Dike surface flow using soil, sand bags, foamed polyurethane, or foamed concrete. Neutralize with agricultural lime (CaO), crushed limestone (CaCO3) or sodium bicarbonate (NaHCO3). Water spill: Neutralize with agricultural lime (CaO), crushed limestone (CaCO3), or sodium bicarbonate (NaHCO3). |
| Stability | Cylinders may explode if subjected to the heat of a fire. |
| Incompatibilities | Incompatible with water, with bases (including amines), with strong oxidizing agents, with alcohols Reacts violently with hexafluoroisopropylideneaminolithium May react vigorously or explosively |
| Decomposition | Decomposition in water and alc when heated to decomposition it emits toxic fumes of carbon monoxide and hydrogen fluoride. |
| Fire. | ||||
| Flash Point,°C | -74 | |||
| Fire fighting | Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Keep run-off water out of sewers and water sources. | |||
| Fire potential | Nonflammable. | |||
| Hazards | Fire will produce irritating, corrosive and/or toxic gases. Vapors from liquefied gas are initially heavier than air and spread along ground. May react violently with water. Containers may explode when heated | |||
| Combustion products | Toxic gas is generated when heated. | |||
| NFPA | Health | 1 | ||
| Flammability | 2 | |||
| Reactivity | 3 | |||
| Health. | |
| Exposure limit(s) | TLV: 2 ppm; 5.4 mg/m3 (as TWA); 5 ppm; 13 mg/m3 (as STEL) (ACGIH 1997). NIOSH REL: TWA 2 ppm (5 mg/m3) ST 5 ppm (15 mg/m3) |
| Poison_Class | 1 |
| Exposure effects | Extreme malaise and weakness may precede death. No data were available to assess the potential effects of exposure to this agent during pregnancy or lactation. <br>No data were available to assess the teratogenic potential of this agent. |
| Inhalation | Shortness of breath, respiratory irritation, bronchitis, and pulmonary edema may occur. |
| Skin | Skin irritation may be present. |
| Eyes | This substance is a general mucous membrane irritant and may irritate the eyes, nose, throat, and mouth. |
First aid |
|
| Ingestion | Due to the nature of this substance, toxicity resulting from oral exposure is highly unlikely. Treatment should include recommendations listed in the inhalation exposure section when appropriate. |
| Inhalation | Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Effects may be delayed. |
| Skin | Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists. Treatment should include recommendations listed in the inhalation exposure section when appropriate. |
| Eyes | Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility. |
| Transport. | ||
| UN number | 2417 | |
| Response guide | 125 | |
| Hazard class | 2.3 | |
| PRTC | T | |
| USCG CHRIS Code | CXY | |
| Std. Transport # | 4920559 | |