PAC Database - Detailed Chemical Data
Chemical Identity
| Chemical | CAS# | UN# | Health Code Numbers | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bromotrifluoromethane; (Trifluorobromomethane) | 75-63-8 | 1009 |
17.00
15.01
4.01
4.08
4.05
7.01
8.00
7.00
11.00
4.09
|
|||||||||
| Formula | Synonyms | |||||||||||
| BrCF3 | BROMOTRIFLUOROMETHANE, BROMOFLUOROFORM, BROMOTRIFLUOROMETANO (DOT SPANISH), BROMOTRIFLUOROMÉTHANE (DOT FRENCH), CARBON BROMIDE FLUORIDE (CBRF3), CARBON MONOBROMIDE TRIFLUORIDE, CFC 13B1, DAIFLON 13B1, F 13B1, FC 13B1, FKWR 13B1, FLUGEX 13B1, FLUOROCARBON 1301, FREON 13B1, FREON® 13B1, GAS REFRIGERANTE R-13B1 (DOT SPANISH), GAZ RÉFRIGÉRANT R-13B1 (DOT FRENCH), HALOCARBON 13B1, HALON 1301, HALON® 1301, KHLADON 13B1, MONOBROMOTRIFLUOROMETHANE, PERFLUOROMETHYL BROMIDE, R 13B1, REFRIGERANT 13B1, REFRIGERANT GAS R-13B1, TRIFLUOROBROMOMETHANE, TRIFLUOROMETHYL BROMIDE, TRIFLUOROMONOBROMOMETHANE | |||||||||||
Physical Properties
| Mol Wt | State | MP (°C) | BP (°C) | VP (Hg) | VP (°C) | SG | LEL (ppm) |
|---|---|---|---|---|---|---|---|
| 148.91 | G | -172 | -57.8 | 750 | -58.1 | 1.58 @ 20°C |
PAC Values
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 3,000 | 25,000 | 40,000 |
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 18 | 150 | 240 |
Technical Basis
A review of available data sources identified the following exposure limits and toxicity data for this chemical: human and monkey inhalation TCLo, rat inhalation LC50, 30-and-60-minute EEGLs, and a NIOSH REL-TWA. The EEGLs were selected as the TEEL-3 and TEEL-2 basis and the REL-TWA was selected as the TEEL-1 basis due to their preference (see Table 3.1).
• TEEL-1 = REL-TWA (1000 ppm) x 3
• TEEL-2 = EEGL 60-minute (25,000 ppm)
• TEEL-3 = EEGL 30-minute (40,000 ppm)
This review generated a TEEL-2 value that is inconsistent with that reported in Rev. 29A, while the TEEL-1 and TEEL-3 values remain consistent. In this review, all three TEELs had different methodologies compared to Rev. 29A. In Rev. 29A the TEEL-3 basis was an IDLH (1994). However, in this review, the 30-minute EEGL, a more preferred data source (Table 3.1), was found, selected, and yielded the same value. In the previous revision, a monkey 15-min TCLo was used as the TEEL-2 basis. A 60-minute EEGL is recommended, as exposure limits are preferable to toxicity data. Finally, the REL-TWA was found and used as the TEEL-1 basis, considering source preferability (REL-TWA > TEEL-2/11). This yielded the same value as Rev. 29A.
• TEEL-1 = REL-TWA (1000 ppm) x 3
• TEEL-2 = EEGL 60-minute (25,000 ppm)
• TEEL-3 = EEGL 30-minute (40,000 ppm)
This review generated a TEEL-2 value that is inconsistent with that reported in Rev. 29A, while the TEEL-1 and TEEL-3 values remain consistent. In this review, all three TEELs had different methodologies compared to Rev. 29A. In Rev. 29A the TEEL-3 basis was an IDLH (1994). However, in this review, the 30-minute EEGL, a more preferred data source (Table 3.1), was found, selected, and yielded the same value. In the previous revision, a monkey 15-min TCLo was used as the TEEL-2 basis. A 60-minute EEGL is recommended, as exposure limits are preferable to toxicity data. Finally, the REL-TWA was found and used as the TEEL-1 basis, considering source preferability (REL-TWA > TEEL-2/11). This yielded the same value as Rev. 29A.
References
Human, inhalation TCLo (1 min.): "Vrednie chemichescie veshestva, galogenproisvodnie uglevodorodov" (VCVGH*). (Hazardous substances: Galogenated hydrocarbons) Bandman A.L. et al., Chimia: 626 (1990); via NIOSH: https://www.cdc.gov/niosh-rtecs/PA52C768.html
Monkey, inhalation TCLo (15 min.): "Vrednie chemichescie veshestva, galogenproisvodnie uglevodorodov" (VCVGH*). (Hazardous substances: Galogenated hydrocarbons) Bandman A.L. et al., Chimia: 625 (1990); via NIOSH: https://www.cdc.gov/niosh-rtecs/PA52C768.html
Rat, inhalation LC50: "Vrednie chemichescie veshestva, galogenproisvodnie uglevodorodov" (VCVGH*). (Hazardous substances: Galogenated hydrocarbons) Bandman A.L. et al., Chimia: 625 (1990); via NIOSH: https://www.cdc.gov/niosh-rtecs/PA52C768.html
EEGL (30-minute & 60-minute) and NIOSH REL-TWA: https://www.cdc.gov/niosh/idlh/75638.html