DICHLOROTETRAFLUOROETHANE†
| CAS # | 76-14-2, 1320-37-2 (mixed isomers) |
|---|---|
| Formula |
C₂Cl₂F₄ |
| Synonyms |
1,2-dichlorotetrafluoroethane; Freon114; Genetron114; Halon242; Refrigerant 114 |
| Physical description | Colorless gas with a faint, ether-like odor at high concentrations. | ||
|---|---|---|---|
| Boiling point | 38°F | Molecular weight | 170.9 |
| Freezing point/melting point | -137°F | Vapor pressure | 1.9 atm at 70°F |
| Flash point | Vapor density | 1.455 | |
| Specific gravity | Ionization potential | 12.20 eV | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| 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.) | 0900 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | 2 CSC tubes (100/50 mg sections, 20/40 mesh) in series [SKC 226-01] | ||
| Sampling time* | |||
| Sampling volume (TWA)* | 1-4 L |
||
| Sampling flow rate (TWA)* | 0.05 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | GC-FID | ||
| Method reference | NIOSH 1018 (fully validated) | ||
| 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 | Infrared spectrophotometer | Infrared spectrophotometer | Organic vapor analyzer | ||
|---|---|---|---|---|---|
| Model/Type | Miran 1A & 1B | Miran 103 | |||
|
Sampling information (see manufacturer instructions) |
0.06 ppm@8.7 µm | 0-500 ppm@8.1 µm range |
|
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 (7000 mg/m³) |
REL-TWA |
1000 ppm (7000 mg/m³) |
TLV-TWA |
1000 ppm [1979] |
PEL-TWA |
1000 ppm (7000 mg/m³) |
| 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 |
N |
| Notes: | Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
15,000 ppm |
|||||
| Carcinogenic classifications: TLV-A4 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - 1,2-Dichloro-1,1,2,2-tetrafluoroethane NIOSH: Pocket Guide to Chemical Hazards - Dichlorotetrafluoroethane Literature References
|
Last Updated Date : 01/12/2023