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| CAS No.: | 75-68-3 |
|---|---|
| Name: | 1-Chloro-1,1-difluoroethane |
| Molecular Structure: | |
|
|
|
| Formula: | C2H3ClF2 |
| Molecular Weight: | 100.496 |
| Synonyms: | 1,1-Difluoro-1-chloroethane;CFC 142b;Daiflon 142b;Dymel 142;F 142b;FC142b;FKW 142b;Freon 142b;Fron 142b;Genetron 101;Genetron 142b;HCFC 142b;HFA 142b;Propellant 142B;R 142b;Solkane 142b;a-Chloroethylidene fluoride; |
| EINECS: | 200-891-8 |
| Density: | 1.198 g/cm3 |
| Melting Point: | -131 °C |
| Boiling Point: | -9 °C |
| Appearance: | colourless gas |
| Hazard Symbols: |
 F+,  N,  Xi
|
| Risk Codes: | 12-59 |
| Safety: | 38-59 |
| Transport Information: | UN 2517 2.1 |
| PSA: | 0.00000 |
| LogP: | 1.83790 |
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- 75-35-4
1,1-Dichloroethylene
A
- 420-46-2
2,2,2-trifluoroethanol
B
- 75-68-3
1-Chloro-1,1-difluoroethane
C
- 1717-00-6
HCFC-141b
| Conditions | Yield |
|---|---|
| With hydrogen fluoride; SbCl5 on Carbon at 100℃; under 760.051 Torr; for 0.00277778h; | A 80% B n/a C n/a |
| Conditions | Yield |
|---|---|
| With chlorine In gas at 21.9℃; under 760 Torr; for 0.000666667h; Irradiation; time history of ignition; | |
| bei der Photochlorierung; | |
| beim Chlorieren im Sonnenlicht; |
- 75-37-6
1,1-difluoroethane
A
- 75-68-3
1-Chloro-1,1-difluoroethane
B
- 1649-08-7
1,2-dichloro-1,1-difluoroethane
| Conditions | Yield |
|---|---|
| beim Chlorieren im Sonennlicht; |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride at 200℃; under 175051 Torr; | |
| With antimony dichloride trifluoride; antimony(III) fluoride |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride; diphenylamine at 180 - 195℃; unter Druck; |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride; diphenylamine at 140℃; im Autoklaven; |
- 1717-00-6
HCFC-141b
A
- 420-46-2
2,2,2-trifluoroethanol
B
- 75-68-3
1-Chloro-1,1-difluoroethane
C
- 2317-91-1
1-chloro-1-fluoroethane
D
- 75-35-4
1,1-Dichloroethylene
E
- 64-19-7
acetic acid
| Conditions | Yield |
|---|---|
| fluorinated γ-alumina at 300℃; Product distribution; other temperatures; also with HCl or HF as reagents; |
- 2317-91-1
1-chloro-1-fluoroethane
A
- 420-46-2
2,2,2-trifluoroethanol
B
- 75-68-3
1-Chloro-1,1-difluoroethane
C
- 75-38-7
Vinylidene fluoride
D
- 64-19-7
acetic acid
| Conditions | Yield |
|---|---|
| fluorinated γ-alumina at 300℃; Product distribution; other temperatures; |
- 2317-91-1
1-chloro-1-fluoroethane
A
- 420-46-2
2,2,2-trifluoroethanol
B
- 75-68-3
1-Chloro-1,1-difluoroethane
C
- 75-38-7
Vinylidene fluoride
D
- 75-35-4
1,1-Dichloroethylene
E
- 64-19-7
acetic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride; fluorinated γ-alumina at 300℃; Product distribution; other temperatures; |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride Heating; |
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Standards and Recommendations
DOT Classification: 2.1; Label: Flammable Gas
Specification
The 1-Chloro-1,1-difluoroethane , with its chemical register number75-68-3, is also called as 1,1,1-chlorodifluoroethane ; 1-Chlor-1,1-difluorethan ; 1-chloro-1,1-difluoro ; 1-chloro-1,1-difluoro-ethan ; alpha-Chloroethylidene fluoride ; alpha-chloroethylidenefluoride ; CFC 142b;cfc142b .
The physical properties of this chemcial are as followings:(1)ACD/LogP: 1.33 ; (2)ACD/LogD (pH 5.5): 1.33 ; (3)ACD/LogD (pH 7.4): 1.33 ; (4)ACD/BCF (pH 5.5): 6 ; (5)ACD/BCF (pH 7.4): 6 ; (6)ACD/KOC (pH 5.5): 125.52 ; (7)ACD/KOC (pH 7.4): 125.52 ; (8)Index of Refraction: 1.316 ; (9)Molar Refractivity: 16.45 cm3 ; (10)Molar Volume: 83.8 cm3 ; (11)Polarizability: 6.52 ×10-24 cm3 ; (12)Surface Tension: 14.7 dyne/cm ; (13)Density: 1.198 g/cm3 ; (14)Enthalpy of Vaporization: 23.14 kJ/mol ; (15)Vapour Pressure: 2470 mmHg at 25°C.
Being a kind of extremely flammable chemical, it has an extremely low flash point and boiling point, and gases that catch fire in contact with air. Besides, it is dangerous for the environment, for it may present an immediate or delayed danger to one or more components of the environment and it will be dangerous for the ozone layer. What's more, this chemical is irritant and will cause inflammation to the skin or other mucous membranes. So while dealing with this chemical, we should be very cautious. Wear eye/face protection and then refer to manufacturer/supplier for information on recovery/recycling.
This is a kind of transparent colorless liquid with no odour. And it is stable and incompatible with strong oxidizing agents, metals - use brass regulators, steel cylinders for storage. As for its usage, it is widely used in many ways, such as being the working medium for the air cooler in hot environment and as reaction medium for heat pump'working medium and temperature control instrument, and also being the intermediate for refrigerating fluid and rocket propellant. Besides, its product categories are including the followings: Industrial/Fine Chemicals;HCFC;refrigerants;Organics.
Additionally, you could convert the following data information into the molecular structure:
SMILES:ClC(F)(F)C
InChI:InChI=1/C2H3ClF2/c1-2(3,4)5/h1H3
InChIKey:BHNZEZWIUMJCGF-UHFFFAOYAO
Below are the toxicity information of this chemical:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 1758gm/m3/2H (1758000mg/m3) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 53, 1982. | |
| rat | LC50 | inhalation | 2050gm/m3/4H (2050000mg/m3) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 53, 1982. |