2,3-Dichlorooctafluorobutane

Base Information

• Chemical Name: 2,3-Dichlorooctafluorobutane
• CAS No.: 355-20-4
• Molecular Formula: C4Cl2 F8
• Molecular Weight: 270.937
• Hs Code.: 2903799090
• European Community (EC) Number: 206-578-2
• NSC Number: 76604
• DSSTox Substance ID: DTXSID90870512
• Nikkaji Number: J193.840A
• ChEMBL ID: CHEMBL476636
• Mol file: 355-20-4.mol

Synonyms:2,3-dichlorooctafluorobutane;2,3-dichlorooctafluorobutane, (R*,R*)-(+-)

Chemical Property of 2,3-Dichlorooctafluorobutane

Chemical Property:

• Vapor Pressure: 192mmHg at 25°C
• Melting Point: -68 °C
• Refractive Index: 1.313
• Boiling Point: 63 °C
• Flash Point: 0.6°C
• PSA: 0.00000
• Density: 1.681g/cm³
• LogP: 3.92020
• XLogP3: 4.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 1
• Exact Mass: 269.9249307
• Heavy Atom Count: 14
• Complexity: 196

Purity/Quality:

99% ^*data from raw suppliers

2,3-Dichlorooctafluorobutane ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 20/21/22-36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C(C(C(F)(F)F)(F)Cl)(C(F)(F)F)(F)Cl

Technology Process of 2,3-Dichlorooctafluorobutane

There total 12 articles about 2,3-Dichlorooctafluorobutane 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: 66.0%

2,3-dichloro-1,1,1,4,4,4-hexafluoro-2-butene (303-04-8) → 2,3-dichloro-1,1,1,2,3,4,4,4-octa-fluorobutane (355-20-4,119450-81-6)

Guidance literature:

With vanadium pentafluoride; In trichlorofluoromethane; at -20 ℃; for 0.25h;

DOI:10.1016/S0022-1139(00)85033-2

Reference yield: 59.0%

octafluoro-2-butene (360-89-4,172368-67-1) + sulfur bis(trifluoromethyl)amide chloride (1768-32-7) → 2,3-dichloro-1,1,1,2,3,4,4,4-octa-fluorobutane (355-20-4,119450-81-6) + sulfur bis{bis(trifluoromethyl)amide} (1913-85-5) + disulfur bis{bis(trifluoromethyl)amide} (2714-58-1) + S-(2-Chloro-1,2,3,3,3-pentafluoro-1-trifluoromethyl-propyl)-N,N-bis-trifluoromethyl-thiohydroxylamine

Guidance literature:

for 21h; Further byproducts given; Irradiation;

DOI:10.1016/S0022-1139(00)84027-0

Reference yield: 59.0%

octafluoro-2-butene (360-89-4,172368-67-1) + sulfur bis(trifluoromethyl)amide chloride (1768-32-7) → 2,3-dichloro-1,1,1,2,3,4,4,4-octa-fluorobutane (355-20-4,119450-81-6) + disulfur bis{bis(trifluoromethyl)amide} (2714-58-1) + C4F12N2S3 + S-(2-Chloro-1,2,3,3,3-pentafluoro-1-trifluoromethyl-propyl)-N,N-bis-trifluoromethyl-thiohydroxylamine

Guidance literature:

for 21h; Further byproducts given; Irradiation;

DOI:10.1016/S0022-1139(00)84027-0

upstream raw materials:

2,3-dichloro-1,1,1,4,4,4-hexafluoro-2-butene

Chlorotrifluoroethylene

octafluoro-2-butene

1,1-dichlorotetrafluoroethane

Downstream raw materials:

octafluoro-2-butene

Refernces

• 1、 Bardin, V. V.,Avramenko, A. A.,Furin, G. G.,Krasilnikov, V. A.,Karelin, A. I.,et al.. "FLUORINATION OF POLYHALOGENATED UNSATURATED COMPOUNDS WITH VANADIUM PENTAFLUORIDE". . p. 385 - 400. Retrieved 2007/10/02.
• 2、 Service, Colin F.,Tipping, Anthony E.. "Reaction of Bistrifluoromethylaminosulphenyl Chloride with Fluoro-olefins and Hexafluorobut-2-yne under Free-radical Conditions". . p. 135 - 140. Retrieved 2007/10/02.