1,2-Dichloro-3,3,4,4,5,5-hexafluorocyclopentene

Basic Information

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CAS Number

706-79-6

Molecular Formula

C5Cl2F6

Molecular Weight

244.95 g/mol

Chemical Classification

Fine Chemicals Specialty Chemicals UV Stabilizers

Basic Physical Properties

Melting Point

-105.8 °C

Boiling Point

90 °C

Density

1.635 g/mL at 25 °C

Flash Point

>230 °F

Refractive Index

n20/D 1.37(lit.)

SMILES

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C1(=C(C(C(C1(F)F)(F)F)(F)F)Cl)Cl

InChI

InChI=1S/C5Cl2F6/c6-1-2(7)4(10,11)5(12,13)3(1,8)9

InChIKey

ABPBVCKGWWGZDP-UHFFFAOYSA-N

LogP

3.5950999999999995

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

255

Safety Information

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Hazard Statement

H301 Toxic if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H331 Toxic if inhaled
Acute toxicity, inhalation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 6.1 Class 6.1

Synonyms & References

English

CYCLOPENTENE, 1,2-DICHLOROHEXAFLUORO-
1,2-Dichlorohexafluorocyclopentene, 97%
NSC 41877
4-05-00-00213 (Beilstein Handbook Reference)
EINECS 211-895-4
DTXSID0061038
1,2-dichloro-3,3,4,4,5,5-hexafluorocyclopent-1-ene
MFCD00019302
A836959
1,2-Dichlorohexafluorocyclopent-1-ene
Hexafluoro-1,2-dichloro-1-cyclopentene
InChI=1/C5Cl2F6/c6-1-2(7)4(10,11)5(12,13)3(1,8)
TU5ZEW9Z5E
Cyclopentene-26
1,2-Dichlorohexafluorocyclopentene-1
hexafluorodichlorocyclopentene
Cyclopentene,2-dichloro-3,3,4,4,5,5-hexafluoro-
FC-C-1416
UNII-TU5ZEW9Z5E
Cyclopentene,2-dichlorohexafluoro-
FT-0606379
1,2-Dichlorohexafluoro-1-cyclopentene
NSC-41877
1,2-Dichloro-3,3,4,4,5,5-hexafluoro-1-cyclopentene #
1,2-Dichloroperfluorocyclopentene
Cyclopentene, 1,2-dichloro-3,3,4,4,5,5-hexafluoro-
NS00042453
SCHEMBL1763878
3,3-dichloro-1,2,4,4,5,5-hexafluoro-cyclopentene
1,2-Dichloro-3,3,4,4,5,5-hexafluorocyclopentene
AKOS015913229

MDL Number

MFCD00019302

Customs Code

2903890090

FAQ

What are the physical and chemical properties of 1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene (CAS: 706-79-6)?

1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene (CAS: 706-79-6) is a colorless liquid with a molecular weight of approximately 249.04 g/mol. It has a low solubility in water but is miscible with organic solvents. Chemically, it is relatively stable but can undergo substitution reactions under certain conditions. It sublimates at 116-118°C and is not typically reactive with common chemicals.

How is 1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene (CAS: 706-79-6) typically synthesized?

1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene is typically synthesized via the chlorination of 1,3,3,4,4,5,5-heptafluorocyclopentene in the presence of a Lewis acid catalyst. The reaction is selective and yields a high percentage of the desired product. Common Lewis acids include aluminum chloride or iron triflate.

What industries use 1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene (CAS: 706-79-6)?

1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene is used in various industries, including pharmaceuticals for the synthesis of certain intermediates, polymers as a monomer, and in the production of sensors due to its unique chemical properties. It also plays a role in semiconductor manufacturing as a precursor material.

What precautions should be taken when handling 1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene (CAS: 706-79-6)?

When handling 1,2-Dichloro-3,3,4,4,5,5-Hexafluorocyclopentene (CAS: 706-79-6), appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn. This compound should be handled in a well-ventilated area or a fume hood to minimize exposure. In case of a spill, it should be cleaned up carefully following standard safety protocols, and the material safety data sheet (MSDS) should be consulted for specific instructions.