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2317-91-1 Usage

Description

1-Chloro-1-fluoroethylene, also known as chlorofluoroethylene, is a colorless gas with a sweet odor. It is a highly flammable and reactive compound, primarily used in the production of fluoropolymers and as a refrigerant. Due to its hazardous nature, appropriate safety measures must be taken when handling, storing, and disposing of this chemical to prevent harm to human health and the environment.

Uses

Used in Fluoropolymer Production:
1-Chloro-1-fluoroethylene is used as a monomer in the production of fluoropolymers for its unique properties, such as chemical resistance, thermal stability, and non-stick characteristics. These fluoropolymers are widely used in various industries, including automotive, aerospace, electronics, and medical applications.
Used as a Refrigerant:
1-Chloro-1-fluoroethylene is used as a refrigerant in certain applications due to its thermodynamic properties. It offers advantages such as low toxicity, low global warming potential, and high energy efficiency. However, its use as a refrigerant is limited due to its reactivity and potential health hazards.
Safety Precautions:
When working with 1-chloro-1-fluoroethylene, it is crucial to follow proper safety measures, such as:
1. Ensuring proper ventilation to prevent the accumulation of the gas.
2. Wearing appropriate personal protective equipment, including gloves, goggles, and respirators, to minimize exposure to the gas.
3. Storing the chemical in a well-ventilated area, away from heat, sparks, and open flames.
4. Handling and disposing of 1-chloro-1-fluoroethylene in accordance with regulations to prevent harm to human health and the environment.

Check Digit Verification of cas no

The CAS Registry Mumber 2317-91-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2317-91:
(6*2)+(5*3)+(4*1)+(3*7)+(2*9)+(1*1)=71
71 % 10 = 1
So 2317-91-1 is a valid CAS Registry Number.
InChI:InChI=1/C2H2ClF/c1-2(3)4/h1H2

2317-91-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-CHLORO-1-FLUOROETHYLENE

1.2 Other means of identification

Product number -
Other names CH2=CFCl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2317-91-1 SDS

2317-91-1Synthetic route

1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

A

2,2,2-trifluoroethanol
420-46-2

2,2,2-trifluoroethanol

B

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
With aluminum(III) fluoride at 325℃;
With aluminum(III) fluoride at 300 - 400℃;
1,1,2-trichloro-1-fluoroethane
811-95-0

1,1,2-trichloro-1-fluoroethane

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
With sodium amalgam; ethanol
With water; zinc
With chromium(III) oxide at -28.15℃;
1-bromo-2,2-dichloro-2-fluoroethane
463-97-8

1-bromo-2,2-dichloro-2-fluoroethane

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
With ethanol; zinc
With ethanol; zinc
1,2-dichloro-1-fluoroethane
430-57-9

1,2-dichloro-1-fluoroethane

A

cis-1-Chloro-2-fluoroethylene
2268-31-7

cis-1-Chloro-2-fluoroethylene

B

trans-1-chloro-2-fluoroethylene
2268-32-8

trans-1-chloro-2-fluoroethylene

C

fluoroethyne
2713-09-9

fluoroethyne

D

chloroacetylene
593-63-5

chloroacetylene

E

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

F

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
Mechanism; Irradiation;
1,2-dichlorofluoroethylene
13245-54-0

1,2-dichlorofluoroethylene

A

dichloroethyne
7572-29-4

dichloroethyne

B

cis-1-Chloro-2-fluoroethylene
2268-31-7

cis-1-Chloro-2-fluoroethylene

C

fluoroethyne
2713-09-9

fluoroethyne

D

chloroacetylene
593-63-5

chloroacetylene

E

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

F

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
Product distribution; infrared multiphoton decomposition;
chlorodifluoroacetic anhydride
2834-23-3

chlorodifluoroacetic anhydride

methyl iodide
74-88-4

methyl iodide

A

polytetrafluoroethylene
116-14-3

polytetrafluoroethylene

B

1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

C

Vinylidene fluoride
75-38-7

Vinylidene fluoride

D

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

E

1,2-dichloro-1,1,2,2-tetrafluoroethane
76-14-2

1,2-dichloro-1,1,2,2-tetrafluoroethane

F

1,1'-dichloro-2,2'-difluoroethene
79-35-6

1,1'-dichloro-2,2'-difluoroethene

Conditions
ConditionsYield
With mercury(I) iodide at 26.9℃; for 0.166667h; Rate constant; Thermodynamic data; Irradiation; E0, , var. pressure;
chloroform
67-66-3

chloroform

A

1,1,1-Trichloro-2,2,2-trifluoroethane
354-58-5

1,1,1-Trichloro-2,2,2-trifluoroethane

B

chlorotrifluoromethane
75-72-9

chlorotrifluoromethane

C

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

D

1,1,2-Trichloro-1,2,2-trifluoroethane
76-13-1

1,1,2-Trichloro-1,2,2-trifluoroethane

Conditions
ConditionsYield
With fluorinated Co3O4 for 2h; Ambient temperature; Yields of byproduct given. Title compound not separated from byproducts;
chloroform
67-66-3

chloroform

A

chlorotrifluoromethane
75-72-9

chlorotrifluoromethane

B

trichlorofluoromethane
75-69-4

trichlorofluoromethane

C

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
With fluorinated Fe3O4 for 2h; Ambient temperature; Yields of byproduct given. Title compound not separated from byproducts;
1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

A

2,2,2-trifluoroethanol
420-46-2

2,2,2-trifluoroethanol

B

Vinylidene fluoride
75-38-7

Vinylidene fluoride

C

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

D

1,1-Dichloroethylene
75-35-4

1,1-Dichloroethylene

E

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
With hydrogen fluoride; fluorinated γ-alumina at 300℃; Product distribution; other temperatures; also with HCl as a reagent;
HCFC-141b
1717-00-6

HCFC-141b

A

2,2,2-trifluoroethanol
420-46-2

2,2,2-trifluoroethanol

B

1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

C

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

D

1,1-Dichloroethylene
75-35-4

1,1-Dichloroethylene

E

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
fluorinated γ-alumina at 300℃; Product distribution; other temperatures; also with HCl or HF as reagents;
1,1,3,3-tetrachloro-1,3-difluoro-2-propanone
79-51-6

1,1,3,3-tetrachloro-1,3-difluoro-2-propanone

acetone
67-64-1

acetone

A

Dichlorofluoromethane
75-43-4

Dichlorofluoromethane

B

HCFC-141b
1717-00-6

HCFC-141b

C

trichlorofluoromethane
75-69-4

trichlorofluoromethane

D

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

E

1,1-Dichloroethylene
75-35-4

1,1-Dichloroethylene

F

CFC-112a
76-12-0

CFC-112a

Conditions
ConditionsYield
With propene; sulphur hexafluoride for 0.5h; Rate constant; Ambient temperature; Irradiation; also with acetone-d6;
ethanol
64-17-5

ethanol

1-bromo-2,2-dichloro-2-fluoroethane
463-97-8

1-bromo-2,2-dichloro-2-fluoroethane

zinc

zinc

CuCl

CuCl

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

aluminium fluoride

aluminium fluoride

A

2,2,2-trifluoroethanol
420-46-2

2,2,2-trifluoroethanol

B

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
at 325℃;
1,2-dichloro-1-fluoroethane
430-57-9

1,2-dichloro-1-fluoroethane

A

cis-1,2-Dichloroethylene
156-59-2

cis-1,2-Dichloroethylene

B

cis-1-Chloro-2-fluoroethylene
2268-31-7

cis-1-Chloro-2-fluoroethylene

C

trans-1-chloro-2-fluoroethylene
2268-32-8

trans-1-chloro-2-fluoroethylene

D

fluoroethyne
2713-09-9

fluoroethyne

E

chloroacetylene
593-63-5

chloroacetylene

F

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

G

HCl, HF

HCl, HF

Conditions
ConditionsYield
under 30 Torr; Product distribution; Thermodynamic data; Mechanism; Irradiation; heats of reaction, influence of pressure, additive gas pressure, pulse number, pulse energy and pulse duration;A .491 % Chromat.
B 9.28 % Chromat.
C 5.86 % Chromat.
D .984 % Chromat.
E 1.87 % Chromat.
F 3.77 % Chromat.
G n/a
HCFC-141b
1717-00-6

HCFC-141b

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
at 336.85 - 426.85℃; under 14 - 120 Torr; Kinetics; Activation energy; Further Variations:; Reagents;
1,1-dichloroethane
75-34-3

1,1-dichloroethane

A

1,1-difluoroethane
75-37-6

1,1-difluoroethane

B

ethene
74-85-1

ethene

C

1-chloro-1-fluoroethane
1615-75-4

1-chloro-1-fluoroethane

D

1-fluoroethylene
75-02-5

1-fluoroethylene

E

chloroethylene
75-01-4

chloroethylene

F

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

G

1,1-Dichloroethylene
75-35-4

1,1-Dichloroethylene

Conditions
ConditionsYield
With hydrogen fluoride at 200 - 250℃;
-butyl vinyl ether
111-34-2

-butyl vinyl ether

Chlorotrifluoroethylene
79-38-9

Chlorotrifluoroethylene

A

Vinylidene fluoride
75-38-7

Vinylidene fluoride

B

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

C

butyl (2,2-difluorovinyl) ether

butyl (2,2-difluorovinyl) ether

D

butyl (2-chloro-2-fluorovinyl) ether

butyl (2-chloro-2-fluorovinyl) ether

Conditions
ConditionsYield
With UmicoreM73SIPr In benzene-d6 at 60℃; for 1h; Inert atmosphere; Molecular sieve;
With bis[1,1-di(trifluoromethyl)ethoxy][(2,6-diisopropylphenyl)imino](2-methyl-2-phenylpropylidene)molybdenum In benzene-d6 at 60℃; for 1h; Reagent/catalyst; Inert atmosphere;
1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

A

Vinylidene fluoride
75-38-7

Vinylidene fluoride

B

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

Conditions
ConditionsYield
With SrF2 calcined at 500 °C at 450℃; under 750.075 Torr; Temperature; Flow reactor; Inert atmosphere;
2-pyrrolidinon
616-45-5

2-pyrrolidinon

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

1-(1-fluorovinyl)pyrrolidin-2-one

1-(1-fluorovinyl)pyrrolidin-2-one

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); t-BuBrettPhos; caesium carbonate In 1,2-dimethoxyethane at -78 - 110℃; for 18h; Sealed tube;98%
methanol
67-56-1

methanol

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

carbon monoxide
201230-82-2

carbon monoxide

methyl 2-fluoroprop-2-enoate
2343-89-7

methyl 2-fluoroprop-2-enoate

Conditions
ConditionsYield
With dichloro[ferrocene-1,1'-diylbis(diisopropylphosphine-P)]palladium(II); triethylamine at 100℃; under 5250.53 Torr; for 8h; Reagent/catalyst; Autoclave;91.8%
With bis(tri-t-butylphosphine)palladium(0) at 100℃; for 18h; Reagent/catalyst; Time; Autoclave;77.4%
dimethylenecyclourethane
497-25-6

dimethylenecyclourethane

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

3-(1-fluorovinyl)oxazolidin-2-one

3-(1-fluorovinyl)oxazolidin-2-one

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); t-BuBrettPhos; caesium carbonate In 1,2-dimethoxyethane at -78 - 110℃; for 18h; Sealed tube;91%
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

dirhodium (II) tetrakis(N-(3,6-dichlorophthaloyl)-L-phenylalanine)

dirhodium (II) tetrakis(N-(3,6-dichlorophthaloyl)-L-phenylalanine)

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

2-chloro-2-fluorocyclopropanecarboxylic acid ethyl ester
155051-93-7

2-chloro-2-fluorocyclopropanecarboxylic acid ethyl ester

Conditions
ConditionsYield
In dichloromethane86%
oxisoindole
480-91-1

oxisoindole

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

2-(1-fluorovinyl)isoindoline-1-one

2-(1-fluorovinyl)isoindoline-1-one

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); t-BuBrettPhos; caesium carbonate In 1,2-dimethoxyethane at -78 - 110℃; for 18h;76%
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

tetrakis(N-benzyloxycarbonyl-L-proline) dirhodium

tetrakis(N-benzyloxycarbonyl-L-proline) dirhodium

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

(1S,2S)-2-Fluorocyclopropanecarboxylic Acid Ethyl Ester
177933-51-6

(1S,2S)-2-Fluorocyclopropanecarboxylic Acid Ethyl Ester

2-chloro-2-fluorocyclopropanecarboxylic acid ethyl ester
155051-93-7

2-chloro-2-fluorocyclopropanecarboxylic acid ethyl ester

Conditions
ConditionsYield
In dichloromethane73%
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

tetrakis[(-)-cis-2-benzamidecyclohexanecarboxylate] dirhodium

tetrakis[(-)-cis-2-benzamidecyclohexanecarboxylate] dirhodium

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

(1S,2S)-2-Fluorocyclopropanecarboxylic Acid Ethyl Ester
177933-51-6

(1S,2S)-2-Fluorocyclopropanecarboxylic Acid Ethyl Ester

2-chloro-2-fluorocyclopropanecarboxylic acid ethyl ester
155051-93-7

2-chloro-2-fluorocyclopropanecarboxylic acid ethyl ester

Conditions
ConditionsYield
In dichloromethane71%
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

C2H2BrClF6S

C2H2BrClF6S

Conditions
ConditionsYield
With pentafluorosulfanyl bromide at 25 - 50℃; for 144h;51%
piperidin-2-one
675-20-7

piperidin-2-one

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

1-(1-fluorovinyl)piperidin-2-one

1-(1-fluorovinyl)piperidin-2-one

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); t-BuBrettPhos; caesium carbonate In 1,2-dimethoxyethane at -78 - 110℃; for 18h; Sealed tube;48%
N-methylbenzamide
88070-48-8

N-methylbenzamide

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

N-(1-fluorovinyl)-N-methylbenzamide

N-(1-fluorovinyl)-N-methylbenzamide

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); t-BuBrettPhos; caesium carbonate In 1,2-dimethoxyethane at -78 - 110℃; for 18h; Sealed tube;27%
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

1,2-dichloro-1,2,2-trifluoro-1-iodoethane
354-61-0

1,2-dichloro-1,2,2-trifluoro-1-iodoethane

1,2,4-trichloro-1,1,2,4-tetrafluoro-4-iodo-butane
380-62-1

1,2,4-trichloro-1,1,2,4-tetrafluoro-4-iodo-butane

Conditions
ConditionsYield
With dibenzoyl peroxide
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

phenyl(tribromomethyl)mercury(II)
3294-60-8

phenyl(tribromomethyl)mercury(II)

1,1-Dibrom-2-chlor-2-fluor-cyclopropan
24071-57-6

1,1-Dibrom-2-chlor-2-fluor-cyclopropan

Hexafluoropropene oxide
428-59-1

Hexafluoropropene oxide

1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

1,1,2-trifluoro-2-chlorocyclopropane
51326-67-1

1,1,2-trifluoro-2-chlorocyclopropane

Conditions
ConditionsYield
In gas at 195℃;
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

A

fluoroethyne
2713-09-9

fluoroethyne

B

chloroacetylene
593-63-5

chloroacetylene

Conditions
ConditionsYield
under 0.5 Torr; Product distribution; Rate constant; Irradiation; effect of laser pulse energy;
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

(difluoroamino)chlorofluoroacetonitrile
144092-38-6

(difluoroamino)chlorofluoroacetonitrile

Conditions
ConditionsYield
With potassium fluoride; tetrafluorohydrazine at 160℃; for 40h;
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

A

2,2,2-trifluoroethanol
420-46-2

2,2,2-trifluoroethanol

B

1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

C

Vinylidene fluoride
75-38-7

Vinylidene fluoride

D

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
fluorinated γ-alumina at 300℃; Product distribution; other temperatures;
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

A

2,2,2-trifluoroethanol
420-46-2

2,2,2-trifluoroethanol

B

1-Chloro-1,1-difluoroethane
75-68-3

1-Chloro-1,1-difluoroethane

C

Vinylidene fluoride
75-38-7

Vinylidene fluoride

D

1,1-Dichloroethylene
75-35-4

1,1-Dichloroethylene

E

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
With hydrogenchloride; fluorinated γ-alumina at 300℃; Product distribution; other temperatures;
1-chloro-1-fluoroethane
2317-91-1

1-chloro-1-fluoroethane

A

1,1-Dichloroethylene
75-35-4

1,1-Dichloroethylene

B

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
With hydrogenchloride; fluorinated γ-alumina at 200℃; Product distribution; other temperatures;

2317-91-1Relevant articles and documents

EDTA-assisted hydrothermal synthesis of cubic SrF2 particles and their catalytic performance for the pyrolysis of 1-chloro-1,1-difluoroethane to vinylidene fluoride

Wang, Zhikun,Han, Wenfeng,Liu, Huazhang

, p. 1691 - 1700 (2019)

Uniform, free-standing and cubic SrF2 microparticles were successfully fabricated by a facile hydrothermal method with ethylenediaminetetraacetic acid (EDTA) as the chelating agent. The influences of preparation conditions, such as the pH value, amount of EDTA and hydrothermal time, on the formation of SrF2 crystals were investigated. The formation mechanism of cubic SrF2 particles was proposed based on the experimental results. Following calcination in air at 500 °C, SrF2 particles were evaluated as the catalyst for the pyrolysis of 1-chloro-1,1-difluoroethane (HCFC-142b, CH3CClF2) to vinylidene fluoride (VDF, CH2═CF2) at 350 °C and a space velocity of 600 h?1. The results indicate that SrF2 cubes exhibit high catalytic activity with a HCFC-142b conversion of about 70% and a selectivity to VDF of 80-87%. No significant deactivation was observed within the time on stream of 30 h. With the reaction temperature increased to 450 °C, the conversion of HCFC-142b is close to 94%, while the selectivity to VDF remains almost unchanged. Although the SrF2 catalyst prepared by the conventional precipitation method also shows high conversion, its selectivity to VDF is only around 50-70%. We suggest that the surface acidity and specific surface area play major roles in the catalytic performance. Compared with the temperatures for industrial manufacture of VDF of 650-700 °C, the SrF2 catalysts provide a promising pathway to produce VDF at much lower temperatures.

CH3CF3-nCln haloalkanes and CH2=CF2-nCln halo-olefins on γ-alumina catalysts: reactions, kinetics and adsorption

Hess, A.,Kemnitz, E.

, p. 27 - 36 (1995)

The heterogeneously catalyzed reactions of the haloalkane, CH3CF(3-n)Cln, and halo-olefin, CH2=CF(2-n)Cl(n), series have been studied on a γ-alumina catalyst and the experimental results compared with calculated thermodynamic data.The main reactions occurring in this system can be explained by the following reaction paths: dehydrohalogenation, hydrohalogenation, F/Cl and Cl/F exchange with hydrogen halides.Dismutation reactions which are observed in other halocarbon series are unimportant in this system.A survey of the dominant reactions is given.In addition, the kinetic behaviour of CH3CF2Cl on the γ-alumina catalyst and the adsorption of various halocarbons have been investigated.The isosteric enthalpies of adsorption demonstrate that the interaction between the haloalkanes and the solid surface is more dominant than simple condensation. - Keywords: Chlorofluorocarbons; γ-Alumina catalysts; Heterogeneous catalysis; Kinetics; Adsorption; Enthalpy of adsorption

METHOD FOR PRODUCING OLEFIN

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Paragraph 0150-0154; 0168-0171, (2017/11/01)

A method for producing at least one olefin compound selected from the group consisting of a compound of formula (51), a compound of formula (52), a compound of formula (53), and a compound of formula (54), the method including reacting an olefin compound of formula (21) with a olefin compound of formula (31) in the presence of at least one metal catalyst selected from the group consisting of a compound of formula (11), a compound of formula (12), a compound of formula (13), a compound of formula (14), and a compound of formula (15).

GASEOUS DIELECTRICS WITH LOW GLOBAL WARMING POTENTIALS

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, (2010/12/31)

A dielectric gaseous compound which exhibits the following properties: a boiling point in the range between about ?20° C. to about ?273° C.; non-ozone depleting; a GWP less than about 22,200; chemical stability, as measured by a negative standard enthalpy of formation (dHf0); a toxicity level such that when the dielectric gas leaks, the effective diluted concentration does not exceed its PEL; and a dielectric strength greater than air.

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