BORON TRIBROMIDE†
| CAS # | 10294-33-4 |
|---|---|
| Formula |
BBr₃ |
| Synonyms |
boron bromide; tribromoborane |
| Physical description | Colorless, fuming liquid with a sharp, irritating odor. | ||
|---|---|---|---|
| Boiling point | 194°F | Molecular weight | 250.5 |
| Freezing point/melting point | -51°F | Vapor pressure | 40 mmHg at 57°F |
| Flash point | Vapor density | ||
| Specific gravity | 2.64 at 68°F | Ionization potential | 9.70 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 0 |
| NFPA reactivity rating | 2 | NFPA special instruction | W: Reacts violently or explosively with water |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* | |||
| Sampling volume (TWA)* | |||
| Sampling flow rate (TWA)* | |||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | |||
| Method reference | |||
| Notes | |||
| 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 |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA | REL-TWA | TLV-TWA | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C |
1 ppm (10 mg/m³) [Construction and Maritime Industries only] |
REL-C |
1 ppm (10 mg/m³) |
TLV-C |
0.7 ppm [2015] |
PEL-C |
1 ppm (10 mg/m³) |
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
|
Notes:
The OSHA PEL applies to Construction and Maritime Industries only. See 29 CFR 1926.55 Table 1 and 29 CFR 1915.1000 Table Z-Shipyards. |
Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Boron tribromide NIOSH: Pocket Guide to Chemical Hazards - Boron tribromide Literature References
|
Last Updated Date : 06/01/2022