Chlorine trifluoride
- Chlorotrifluoride
- Chlorine fluoride
Chlorine trifluoride | |
| |
| Formula | ClF3 |
| Structure | |
| Description | A colorless gas or green liquid with a pungent odor. |
| Uses | Fluorinating agent, in nuclear reactor fuel processing, incendiary, igniter & propellant for rockets, pyrolysis inhibitor for fluorocarbon polymers. |
| Registry Numbers and Inventories. | |
| CAS | 7790-91-2 |
| EC (EINECS/ELINCS) | 232-230-4 |
| RTECS | FO2800000 |
| RTECS class | Human Data; Primary Irritant |
| UN (DOT) | 1749 |
| Merck | 12,2150 |
| Beilstein/Gmelin | 1439 (G) |
| Swiss Giftliste 1 | G-1429 |
| Canada DSL/NDSL | NDSL |
| US TSCA | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | ClF3 |
| Formula mass | 92.44 |
| Melting point, °C | -80 |
| Boiling point, °C | 11.8 |
| Vapor pressure, mmHg | 962.07 (17.46 C) |
| Vapor density (air=1) | >3 |
| Critical temperature | 154.5 |
| Critical pressure | 56.9 |
| Density | 0.004 g/cm3 (12 C) |
| Solubility in water | Decomposes |
| Viscosity | 0.09182 cp (2727 C) |
| Surface tension | 26.6 g/s2 @ 273 K |
| Heat of fusion | 7.61 kJ/mol |
| Heat of vaporization | 27.5 kJ/mol |
| Hazards and Protection. | |
| Storage | Store in a cool, dry, well-ventilated location. Keep cylinders restrained. Separate from water, organic matter, glass, asbestos, sand, chlorofluorocarbons, acids, alkalies, halogens, slats, metal oxides. Outside or detached storage is preferred. |
| 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 | Keep material out of water sources and sewers. Do not use water on material itself. Use water spray to knock-down vapors. Neutralize spilled material with crushed limestone, soda ash, or lime. |
| Stability | Stability:unstable in moist air. |
| Incompatibilities | Incompatible with fuels, nitro compounds Interaction with water is violent and may be explosive, even with ice. |
| Fire. | ||||
| Fire fighting | Do not use water on material itself. Use dry chemical or carbon dioxide. Cool all affected containers with flooding quantities of water. If large quantities of combustibles are involved, use water in flooding quantities as spray and fog. Use water spray to knock-down vapors. | |||
| Fire potential | Spontaneously combusts on contact with organic or silicacious matter. | |||
| Hazards | Vapors from liquefied gas are initially heavier than air and spread along ground. Containers may explode when heated. | |||
| Combustion products | If released from container, fumes are toxic and irritating. | |||
| NFPA | Health | 4 | ||
| Flammability | 0 | |||
| Reactivity | 3 | |||
| Special | OW | |||
| Health. | |
| Exposure limit(s) | TLV: 0.1 ppm; 0.38 mg/m3 (as CEILING) (ACGIH 1997). OSHA PEL: C 0.1 ppm (0.4 mg/m3) NIOSH REL: C 0.1 ppm (0.4 mg/m3) NIOSH IDLH: 20 ppm |
| Poison_Class | 1 |
| Exposure effects | The toxological properties of this substance have not been fully investigated. |
| Inhalation | Dyspnea, bronchospasm (with abnormal pfts and hypoxia), chemical pneumonitis, pulmonary edema (can be hemorrhagic), tracheobronchitis, upper airway obstruction, chemical burns (larynx, trachea, bronchi) and ards may occur following inhalation. |
| Skin | May be fatal if absorbed through the skin. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. |
| Eyes | Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. |
First aid |
|
| Ingestion | Seek medical assistance. |
| 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 all exposed clothing and jewelry taking necessary precautions to prevent secondary exposure to health care providers. Irrigate exposed areas promptly with copious amounts of water for at least 30 minutes. Wash the skin, including hair and nails, vigorously; do repeated soap washings. Discard contaminated clothing. |
| Eyes | Immediately flush with running water for at least 20 minutes. Effects may be delayed. |
| Transport. | ||
| UN number | 1749 | |
| Response guide | 124 | |
| Hazard class | 2.3 | |
| PRTC | T | |
| USCG CHRIS Code | CTF | |
| Std. Transport # | 4920352 | |