| Agent Name |
Chlorine trifluoride |
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| CAS Number |
7790-91-2 |
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| Formula |
Cl-F3 |
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| Major Category |
Toxic Gases & Vapors |
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| Synonyms |
Chlorine fluoride (ClF3); Chlorine trifluoride (ClF3); Chlorotrifluoride; Trifluorure de chlore [French]; [ChemIDplus] UN1749 |
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| Category |
Oxidizers |
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| Description |
Colorless gas or a greenish-yellow liquid (below 53 degrees F) with a somewhat sweet, suffocating odo; Note: Shipped as a liquefied compressed gas; [NIOSH] |
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| Sources/Uses |
Used as a fluorinating agent and fire retardant for fluorocarbon polymers; also used to ignite rocket fuels and in the processing of fuels for nuclear reactors; [ACGIH] |
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| Comments |
Liquid causes second or third degree burns after short contact; [CHRIS] Chlorine trifluoride causes severe lung irritation and death in animal inhalation studies; [ACGIH] A corrosive substance that can cause pulmonary edema; [ICSC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TIH |
Yes |
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| Ceiling (ACGIH) |
0.1 ppm |
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| PEL (OSHA) | Ceiling(OSHA) = 0.1 ppm |
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| IDLH (NIOSH) |
20 ppm |
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| Excerpts from Documentation for IDLHs |
Other animal data: No mortality occurred among 2 dogs and rats exposed to 21 ppm for 6 hours but the dogs became nauseated, coughed up a small amount of mucous material, and had rapid respiration and salivation [Horn and Weir 1955]. . . . Human data: It has been reported that 50 ppm or more may be fatal in 30 minutes to 2 hours [Deichmann and Gerarde 1969]. |
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| Lethal Concentration |
LC50 (rats) = 299 ppm/1H |
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| Reference Link |
International Chemical Safety Cards (WHO/IPCS/ILO) |
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| Flammability (NFPA) |
0: will not burn |
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| Adverse Effects |
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| Toxic Pneumonitis |
Yes |
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| Dermatotoxin |
Skin Burns |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: CHLORINE TRIFLUORIDE
|
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