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BORON TRIFLUORIDE†
| CAS # | 7637-07-2 |
|---|---|
| Formula |
BF₃ |
| Synonyms |
boron fluoride; trifluoroborane |
| Physical description | Colorless gas with a pungent, suffocating odor. | ||
|---|---|---|---|
| Boiling point | -148°F | Molecular weight | 67.8 |
| Freezing point/melting point | -196°F | Vapor pressure | >50 atm |
| Flash point | Vapor density | 2.38 | |
| Specific gravity | 1.6 | Ionization potential | 15.50 eV |
| Lower explosive limit (LEL) | Not flammable | Upper explosive limit (UEL) | Not flammable |
| NFPA health rating | 4 | NFPA fire rating | 0 |
| NFPA reactivity rating | 1 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0382 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | Midget fritted glass bubbler (MFGB) containing 10 mL Ammonium Fluoride (0.1 N) [Infrequently Requested Method - OSHA staff pls contact SLTC before sampling 801-233-5100] |
| Sampling time* | |
| Sampling volume (TWA)* | 15 L |
| Sampling flow rate (TWA)* | 1 L/min |
| Sampling volume (STEL/Peak/C)* | |
| Sampling flow rate (STEL/Peak/C)* | |
| Analytical method instruments | ISE |
| Method reference | OSHA ID-216SG (partially validated) |
| Notes | Submit as a separate sample. Analysis is for fluoroborate (BF4-) ion. |
| Special requirements | Samples must be stored and shipped in plastic bottles. |
* 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 |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA | REL-TWA | TLV-TWA | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C |
1 ppm (3 mg/m³) |
REL-C |
1 ppm (3 mg/m³) |
TLV-C | PEL-C |
1 ppm (3 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 |
25 ppm |
|||||
| Carcinogenic classifications: | Notes: | ||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
2 mg/m³/30 mg/m³/100 mg/m³ |
|||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Boron trifluoride NIOSH: Pocket Guide to Chemical Hazards - Boron trifluoride Literature References
|
Last Updated Date : 04/03/2024