5659-47-2

Basic information

• Product Name: 2,3,4,4,5-pentachlorocyclopent-2-en-1-one
• Synonyms: 2,3,4,4,5-pentachlorocyclopent-2-en-1-one;2,3,4,4,5-Pentachloro-2-cyclopenten-1-one
• CAS NO: 5659-47-2
• Molecular Formula: C₅HCl₅O
• Molecular Weight: 254.32584
• EINECS: 227-108-2
• Mol File: 5659-47-2.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 257.2°C at 760 mmHg
• Flash Point: 105.9°C
• Appearance: /
• Density: 1.79g/cm³
• Vapor Pressure: 0.0147mmHg at 25°C
• Refractive Index: 1.574
• CAS DataBase Reference: 2,3,4,4,5-pentachlorocyclopent-2-en-1-one(CAS DataBase Reference)
• NIST Chemistry Reference: 2,3,4,4,5-pentachlorocyclopent-2-en-1-one(5659-47-2)
• EPA Substance Registry System: 2,3,4,4,5-pentachlorocyclopent-2-en-1-one(5659-47-2)

Safety Data

• Hazardous Substances Data: 5659-47-2(Hazardous Substances Data)

Usage

Synthesis Reference(s)

Journal of the American Chemical Society, 71, p. 946, 1949 DOI: 10.1021/ja01171a051

InChI:InChI=1/C5HCl5O/c6-1-2(11)4(8)5(9,10)3(1)7/h4H

Upstream product

• 2514-52-5 perchloro-2-cyclopentene-1-one 
• 77-47-4 hexachlorocyclopentadiene 
• 7664-93-9 sulfuric acid 
• 7647-01-0 hydrogenchloride 
• 786695-97-4 5-bromo-2,3,4,4,5-pentachloro-cyclopent-2-enone 
• 64-19-7 acetic acid 
• 858423-01-5 3H-heptachloro-cyclopentene 
• 50785-18-7 4H,5H-octachloro-pent-1-ene 

Downstream Products

• 2949-92-0 methanethiosulfonic acid S-methyl ester 
• 75-18-3 dimethylsulfide 
• 1618-26-4 2,4-dithiapentane 
• 53135-87-8 hexachloro-inden-1-one 
• 5395-22-2 octachloro-3a,4,7,7a-tetrahydro-4,7-methano-indene-1,8-dione 
• 706-78-5 octachlorocyclopentene 

Relevant articles and documents

Polyhalocyclopentenyl phenyl compounds

There are provided compounds of the formulae STR1 WHEREIN: X is a halogen atom, such as chlorine and bromine; Y is selected from the group consisting of halogen, such as chlorine and bromine, an alkyl radical and hydrogen, at least one of said Y substituents being halogen; R is selected from the group consisting of chlorine, bromine, fluorine and trifluoromethyl; Ar is an aromatic nucleus containing a hydrogen substituent on a ring position adjacent to the point of polyhalocyclopentadiene or polyhalocyclopentenone attachments, aromatic being defined herein as a derivative of benzene or a carbon compound which contains one or more carbon rings; and N is from 2 to 4, z is from 1 to 2 inclusive, q is a number from 0 to 1, said q being 0 when z is 2. The compounds of this invention are pesticidal, being especially effective as nematocides.