706-78-5

Usage

Uses

Used in Chemical Synthesis Industry:
Octachlorocyclopentene is utilized as an intermediate in the production of specific insecticides, serving as a key component in the synthesis of these biocidal agents to control and manage pest populations.
Used in Flame Retardant Production:
In the flame retardant industry, octachlorocyclopentene is employed as an intermediate for the creation of flame retardant compounds. These compounds are incorporated into various materials to enhance their resistance to fire, thereby improving safety standards in different applications.
It is crucial to note that due to the high toxicity of octachlorocyclopentene, it must be handled with extreme caution, using appropriate protective equipment and adhering to stringent safety protocols to minimize the risk of exposure and environmental contamination.

InChI:InChI=1/C5Cl8/c6-1-2(7)4(10,11)5(12,13)3(1,8)9

Upstream product

• 56-23-5 tetrachloromethane 
• 79-01-6 Trichloroethylene 
• 14015-61-3 (Z)-1,1,2,3,4,5,6,6-octachloro-hexa-1,3,5-triene 
• 14018-23-6 octachlorohexa-1,3,5-triene 
• 1888-73-9 1,1,2,3,4,5,5,5-octachloro-penta-1,3-diene 
• 820-55-3 1,1-dichloropentane 
• 77-47-4 hexachlorocyclopentadiene 
• 54976-91-9 1,1,1,2,4,4,5,5,5-nonachloro-pent-2-ene 
• 21400-41-9 1,1,2,4,4-pentachloro-1,3-butadiene 
• 7782-50-5 chlorine 
• 7446-70-0 aluminium trichloride 
• 54162-65-1 1,1,2,3,3,4,5,5,5-nonachloro-pent-1-ene 
• 75-09-2 dichloromethane 
• 75-35-4 1,1-Dichloroethylene 

Downstream Products

• 25329-35-5 1,2,3,4,5-pentachlorocyclopentadiene 
• 706-79-6 1,2-dichloro-3,3,4,4,5,5-hexafluorocyclopentene 
• 15743-13-2 tetrachloro-cyclopent-4-ene-1,3-dione 
• 77-47-4 hexachlorocyclopentadiene 
• 118-74-1 hexachlorobenzene 
• 559-40-0 octaperfluorocyclopentene 
• 6421-58-5 5,5-diethoxytetrachlorocyclopentadiene 
• 10026-12-7 niobium pentachloride 
• 3824-97-3 1,2,3-Trichloro-3,4,4,5,5-pentafluorocyclopentene 
• 1759-63-3 1,2,2,3,3,4,4-heptafluoro-5-chlorocyclopentene 

Relevant academic research and scientific papers

Continuous chemical industry preparation method of octafluorocyclopentene

The invention relates to the field of fine chemical industry, in particular to a continuous chemical industry preparation method of octafluorocyclopentene. The continuous chemical industry preparationmethod comprises the steps of gas phase chlorination reaction, intermediate product purification, gas phase fluorination reaction and the like. The final product octafluorocyclopentene is obtained from easily obtained raw material cyclopentene by using a gas phase method, compared with an existing liquid phase fluorination-method technology for preparing octafluorocyclopentene, the preparation method of the octafluorocyclopentene has the advantages of cheap reaction raw materials, simplicity in reaction, no applicability to solvent, no organic waste liquid generation, short reaction time, high product yield, capability of continuous production and great prospect of industrial production.

Industrial production method for perfluorocyclopentene

The invention discloses an industrial production method for perfluorocyclopentene, and belongs to the field of fine chemical intermediate synthesis. Cyclopentene, chlorine and pyridine hydrofluoride which are used as raw materials undergo high-temperature chlorination in a solvent sulfolane to obtain octachlorocyclopentene, and the octachlorocyclopentene and pyridine hydrofluoride undergo high-temperature fluorination substitution to obtain the perfluorocyclopentene. Residues obtained after the separation of the product undergo reduced pressure distillation to obtain the solvent sulfolane which can be reused. The method allows the product yield to reach 45-55%, the product content to be more than 99%, the water content to be less than 0.1% and the chloride ion content to be less than 0.1%. The method has the advantages of no pollution in the production process, green production process, high yield, simple steps, facilitation of the reduction of the production cost, high product purity, and facilitation of later application.

Industrialized production method for 1,2,3,3,4,4,5,5-octafluorocyclopentene

The invention discloses an industrialized production method for 1,2,3,3,4,4,5,5-octafluorocyclopentene, and belongs to the field of synthesis of fine chemical intermediates. Cyclopentene, a chlorine gas and anhydrous potassium fluoride are used as raw materials, sulfolane is used as a solvent, chlorination is performed step by step through programmed heating, and the chlorinated product and the potassium fluoride are subjected to a high-temperature substitution reaction to form the 1,2,3,3,4,4,5,5-octafluorocyclopentene. According to the method provided by the invention, kettle residues afterseparation of the product can be reused after the solvent sulfolane is distilled out under reduced pressure; and the method provided by the invention has the advantages of simple production process steps, greenness, environmental protection, a high yield and low production cost, and the obtained product has high purity and is beneficial to a later application.

Specificity and non-specificity in the sensitized CO2-laser-induced reaction of tetrachloroethene

Previous workers have investigated the reaction of tetrachloroethene using thermal initiation and CO2-laser initiation via sensitizing species. In both instances, the principal product was found to be hexachlorobenzene. One group reported evidence of laser specificity in this reaction, in that BCl3 acted as a sensitizer to produce hexachlorobenzene as the principal product, but SF6 and BBr3 did not. We have found that specificity is highly dependent on reaction conditions. We reproduced the previous results using similar experimental conditions, but under different conditions, we found that the specificity is lost, with all three sensitizers which we used (BCl3, SF6, and SiF4) sensitizing the reaction to produce mainly hexachlorobenzene. There were some differences among the sensitizers, as, for example, the fact that SF6 produced the most nearly pure hexachlorobenzene product.

PHOTOCHEMICAL SYNTHESIS OF 5-SUBSTITUTED PENTACHLOROCYCLOPENTADIENES

The photochemical reactions of hexachlorocyclopentadiene with various classes of organic compounds were studied, and a wide range of new 5-substituted pentachlorocyclopentadienes were obtained.The position of the substituent at the C5 atom of the cyclopentadienyl ring was demonstrated by the use of 13C NMR spectroscopy, x-ray crystallographic analysis, and diene synthesis reactions.The recombination mechanism is discussed as a likely mechanism for the processes.The possibility of optimizing the preparative yields was demonstrated for a number of examples.

CONDENSATION OF 2-H-PENTACHLORO-1,3-BUTADIENE WITH CARBON TETRACHLORIDE IN THE PRESENCE OF ALUMINUM CHLORIDE

During the condensation of 2-H-pentachloro-1,3-butadiene with carbon tetrachloride in the presence of anhydrous aluminum chloride 2-trichloromethyl-1,1,3,4,4-pentachloro-1,3-butadiene, octachlorocyclopentene, and 1,2,3,3,5,5-hexachloro-4-(dichloromethylene)cyclopentene are formed as the main products.A possible mechanism for their formation is proposed.It was established that the C2 atom in th 2-H-pentachloro-1,3-butadiene molecule is the most favorable for attack by the trichloromethyl cation.