LIQUIFIED PETROLEUM GAS (L.P.G.)†
| CAS # | 68476-85-7 |
|---|---|
| Formula |
C₃H₈/C₃H₆/C₄H₁₀/C₄H₈ |
| Synonyms |
bottled gas; compressed petroleum gas; liquefied hydrocarbon gas |
| Physical description | Colorless, noncorrosive, odorless gas when pure. | ||
|---|---|---|---|
| Boiling point | >-40°F | Molecular weight | 42-58 |
| Freezing point/melting point | Vapor pressure | >1 atm | |
| Flash point | varies - propane: -156° F (cc); butane: -76° F (cc) | Vapor density | 1.45-2.00 |
| Specific gravity | 0.51-0.58 at -58°F | Ionization potential | 10.95 eV |
| Lower explosive limit (LEL) | 2.1% (Propane) 1.9% (Butane) | Upper explosive limit (UEL) | 9.5% (Propane) 8.5% (Butane) |
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| 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 | Combustible gas meter | Detector tube | Infrared spectrophotometer | ||
|---|---|---|---|---|---|
| Model/Type | Gastec 100A | Miran 1A & 1B | |||
|
Sampling information (see manufacturer instructions) |
0.02-0.8% range | 0.3 ppm@3.4 µm |
|
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 |
1000 ppm (1800 mg/m³) |
REL-TWA |
1000 ppm (1800 mg/m³) |
TLV-TWA | PEL-TWA | ||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
NA |
| Notes: | Notes: |
Notes:
See Appendix F: Minimal Oxygen Content. L.P.G. is listed as a simple asphyxiant and explosion hazard. |
Notes:
Not established |
||||
| Health factors: See NIH-NLM PubChem. | IDLH |
2000 ppm |
|||||
| Carcinogenic classifications: Not listed |
Notes:
10% of LEL |
||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Liquefied petroleum gas NIOSH: Pocket Guide to Chemical Hazards - L.P.G. Literature References
|
Last Updated Date : 01/04/2021