1,1,1,2-??????-2,2-???????
|
|
1,1,1,2-??????-2,2-??????? ??
- ???
- 39-44 °C
- ?? ?
- 91-91 °C
- ??
- 1.64
- ???
- 40 at 20 °C (NIOSH, 1997)
- ???
- 1.4046
- ???
- 90-92°C
- ?? ??
- Refrigerator (+4°C)
- ???
- ???, ??? ? ?????? ???(Weast, 1986)
- ??
- ??? ??? ?? ??? ?? ?? ??
- ??
- Cp(gas): 0.61 J/(g·K), at 25℃
- Henry's Law Constant
- 6.1×10-5 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
- ?? ??
- ACGIH:TLV-TWA 100 ppm (834 mg/m3)
OSHA:PEL-TWA 500 ppm (4170 mg/m3)
NIOSH:REL-TWA 500 ppm
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | N-Xi,Xi | ||
|---|---|---|---|
| ?? ???? ?? | 59-36/37/38 | ||
| ????? | 59-37/39-26 | ||
| OEB | A | ||
| OEL | TWA: 500 ppm (4170 mg/m3) | ||
| TSCA | TSCA listed | ||
| HS ?? | 29034520 | ||
| ?? ?? ??? | 76-11-9(Hazardous Substances Data) | ||
| ?? | LD50 oral in rat: > 8gm/kg | ||
| IDLA | 2,000 ppm | ||
| ???? ?? | KE-05-1242 |
1,1,1,2-??????-2,2-??????? C??? ??, ??, ??
??? ??
colorless crystalline solid??
Refrigerant.?? ??
Colorless solid with a slight, ether-like odor. [Mp: 40.6°C; bp: 91.5°C.?? ???
1,1-DIFLUOROTETRACHLOROETHANE is non-flammable. Incompatible with active metals such as potassium, sodium, beryllium, powdered aluminum, zinc, magnesium, and calcium. Reacts with acids.???
Central nervous system impairment, liver and kidney damage.Safety Profile
Mildly toxic by inhalation. When heated to decomposition it emits very toxic fumes of Cland F-. Used as a refrigerant. See also FLUORIDES.??? ??
Used as a refrigerant, corrosion inhibitor; and blowing agent; making plastics. 1,1,2,2-is used as a refrigerant, a solvent extractant; and in the dry cleaning industry.?? ??
UN1078 Refrigerant gases, n.o.s., Hazard Class: 2.2; Labels: 2.2-Nonflammable compressed gas, Technical Name Required? ???
Acids and chemically active metals, such as potassium, beryllium, powdered aluminum; zinc, calcium, magnesium, and sodium.1,1,1,2-??????-2,2-??????? ?? ?? ? ???
???
?? ??
1,1,1,2-??????-2,2-??????? ?? ??
???( 28)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
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1,1,1,2-??????-2,2-??????? ?? ??:
1,1-?????????(1,1-???????) ????? 1,1,1-??????? 1,1-?????? ???????????? ?????????? ?? 1,1,2,2-??????-1,2-?????? 1,1,1,2-???????? ?????? 1,2-?????? 1,1,1,2-??????-2,2-???????
1-CHLORO-1-FLUOROETHANE
Chlorofluoromethane
1,2-DICHLORO-1,1-DIFLUOROETHANE
1,1-DIFLUORO-1,2,2-TRICHLOROETHANE
1-FLUORO-1,2,2-TRICHLOROETHANE
FLUOROETHANE