1,2-Dichloro-1,1-difluoroethane

Base Information

• Chemical Name: 1,2-Dichloro-1,1-difluoroethane
• CAS No.: 1649-08-7
• Molecular Formula: C2H2 Cl2 F2
• Molecular Weight: 134.941
• Hs Code.: 2903791090
• European Community (EC) Number: 216-714-2
• UN Number: 3082
• UNII: K90K8VM1NQ
• DSSTox Substance ID: DTXSID5031393
• Nikkaji Number: J28.324J
• Wikipedia: Dichlorodifluoroethane
• Wikidata: Q27282103
• Mol file: 1649-08-7.mol

Synonyms:1,2-DCDFE;1,2-dichloro-1,1-difluoroethane

Chemical Property of 1,2-Dichloro-1,1-difluoroethane

Chemical Property:

• Melting Point: -101,2°C
• Boiling Point: 46-47°C
• Flash Point: °C
• PSA: 0.00000
• Density: 1,416 g/cm³
• LogP: 2.05680
• Water Solubility.: 170 mg l-1 (e)
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 133.9501618
• Heavy Atom Count: 6
• Complexity: 44.8
• Transport DOT Label: Class 9

Purity/Quality:

99.0%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Solvents -> Chlorofluorocarbons
• Canonical SMILES: C(C(F)(F)Cl)Cl

Technology Process of 1,2-Dichloro-1,1-difluoroethane

There total 48 articles about 1,2-Dichloro-1,1-difluoroethane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

chloroform (67-66-3,8013-54-5) → pentaerythrityl tetrachloride (3228-99-7) + 1,1,1,2-tetrafluoroethane (811-97-2) + 1,1,1-trifluoro-2-chloroethane (75-88-7) + 1,2-dichloro-1,1-difluoroethane (1649-08-7) + 1,2,3-trichloro-2-chloromethyl-propane (18963-00-3) + 1,1,2,2-tetrachloroethane (79-34-5)

Guidance literature:

With fluorinated gallium(III) oxide; Product distribution; Ambient temperature; further reagent: fluorinated indium(III) oxide;

DOI:10.1039/a802365d

Reference yield:

dichloromethane (75-09-2) → pentaerythrityl tetrachloride (3228-99-7) + Isobutane (75-28-5,40921-86-6) + 1-Chloro-1,1-difluoroethane (75-68-3) + HCFC-141b (1717-00-6) + 1,2-dichloro-1,1-difluoroethane (1649-08-7) + pentachloroethane (76-01-7)

Guidance literature:

With fluorinated gallium(III) oxide; Product distribution; Mechanism; Ambient temperature;

DOI:10.1039/a802365d

Reference yield:

1-Chloro-1,1-difluoroethane (75-68-3) → 2,2,2-trifluoroethanol (420-46-2) + 1,2-dichloro-1,1-difluoroethane (1649-08-7) + 1,1,2-trichloro-1-fluoroethane (811-95-0) + Trichloroethylene (79-01-6) + freon-121 (354-14-3) + pentachloroethane (76-01-7)

Guidance literature:

With hydrogen fluoride; chlorine; antimonypentachloride; at 70 ℃; under 12751.3 Torr;

upstream raw materials:

1,1-difluoroethane

1-Chloro-1,1-difluoroethane

1-chloro-2,2-difluoroethane

1,1,2-trichloro-1-fluoroethane

Downstream raw materials:

(2-chloro-1-fluoro-vinyl)-m-tolyl ether

(2-chloro-1,1-difluoro-ethyl)-m-tolyl ether

(2-chloro-1-fluoro-vinyl)-p-tolyl ether

(2-chloro-1,1-difluoro-ethyl)-p-tolyl ether

Refernces

• 1、 Henne,Hubbard. "-". . p. 404. Retrieved 1936.
• 2、 Belter, Randolph K.,Bhamare, Nanaji K.. "Solvent effects in the fluorination of 1,2-dichloro-1,1-difluoroethane (R-132b) to 2-chloro-1,1,1-trifluoroethane (R-133a)". . p. 1606 - 1610. Retrieved 2006.
• 3、 Kohne, A.,Kemnitz, E.. "Heterogeneous catalyzed synthesis of 1,1,1,2-tetrafluoroethane from 1,1,1,2-tetrachloroethane - thermodynamics and reaction pathways". . p. 103 - 110. Retrieved 1995.
• 4、 Thomson, James. "Room-temperature Catalytic Fluorination of C1 and C2 Chlorocarbons and Chlorohydrocarbons on Fluorinated Fe3O4 and Co3O4". . p. 3585 - 3590. Retrieved 1994.
• 5、 Haszeldine,Steele. "-". . p. 2193,2196. Retrieved 1957.
• 6、 -. "HALOGENATION PROCESS OF 1,1-DIHALOETHENE". Page/Page column 7. . Retrieved 2016/07/05.