CHLORINE TRIFLUORIDE†
| CAS # | 7790-91-2 |
|---|---|
| Formula |
ClF₃ |
| Synonyms |
chlorine fluoride; chlorotrifluoride |
| Physical description | Colorless gas or a greenish-yellow liquid (below 53°F) with a somewhat sweet, suffocating odor. | ||
|---|---|---|---|
| Boiling point | 53°F | Molecular weight | 92.5 |
| Freezing point/melting point | -105°F | Vapor pressure | 1.4 atm |
| Flash point | Vapor density | 3.21 | |
| Specific gravity | 1.85 at 51.8°F | Ionization potential | 13.00 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 4 | NFPA fire rating | 0 |
| NFPA reactivity rating | 3 | NFPA special instruction | W: Reacts violently or explosively with water. OX: Possesses oxidizing properties. |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0615 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) and filter spacer with Na₂CO₃ impregnated backup pad, in a 3-piece cassette [SKC 225-9001] | ||
| Sampling time* | 60 min |
||
| Sampling volume (TWA)* | 90 L |
||
| Sampling flow rate (TWA)* | 1.5 L/min |
||
| Sampling volume (STEL/Peak/C)* | 22.5 L |
||
| Sampling flow rate (STEL/Peak/C)* | 1.5 L/min |
||
| Analytical method instruments | ICP | ||
| Method reference | OSHA ID-110 (fully validated) | ||
| Notes | Submit as a separate sample. If the filter is not overloaded, samples may be collected up to an 8-hour period. Hydrogen fluoride is collected on a Na₂CO₃ impregnated backup pad. |
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| Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
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|---|---|---|---|---|---|---|---|
| PEL-TWA | REL-TWA | TLV-TWA | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C |
0.1 ppm (0.4 mg/m³) |
REL-C |
0.1 ppm (0.4 mg/m³) |
TLV-C | PEL-C |
0.1 ppm (0.4 mg/m³) |
|
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: | Notes: |
Notes:
Visit the ACGIH TLV site for specific data |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
20 ppm |
|||||
| Carcinogenic classifications: Not listed | Notes: | ||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
0.1 ppm/1 ppm/10 ppm |
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Chlorine trifluoride NIOSH: Pocket Guide to Chemical Hazards - Chlorine trifluoride Literature References
|
Last Updated Date : 04/26/2024