ChemicalBook--->CAS DataBase List--->13347-42-7

13347-42-7

13347-42-7 Structure

13347-42-7 Structure
IdentificationBack Directory
[Name]

2-CYCLOPENTYL-4-CHLOROPHENOL
[CAS]

13347-42-7
[Synonyms]

Dowicide 9R
Dowicide 9 (Dow)
2-Cyclopentyl-4-chlorphenol
2-CYCLOPENTYL-4-CHLOROPHENOL
4-CHLORO-2-CYCLOPENTYLPHENOL
Phenol, 4-chloro-2-cyclopentyl-
[EINECS(EC#)]

236-395-3
[Molecular Formula]

C11H13ClO
[MDL Number]

MFCD01707682
[MOL File]

13347-42-7.mol
[Molecular Weight]

196.67
Chemical PropertiesBack Directory
[Boiling point ]

bp18 181-185°; bp11 160-162°
[density ]

1.0753 (rough estimate)
[refractive index ]

1.5364 (estimate)
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Oil
[pka]

9.93±0.43(Predicted)
[color ]

Brown to Very Dark Brown
[EPA Substance Registry System]

4-Chloro-2-cyclopentylphenol (13347-42-7)
Safety DataBack Directory
[RIDADR ]

2021
[HazardClass ]

6.1(b)
[PackingGroup ]

III
Hazard InformationBack Directory
[Chemical Properties]

Colourless Oil
[Uses]

Germicide.
[Preparation]

4-Chloro-2-cyclopentylphenol is prepared by shaking 4-chlorophenol and cyclopentene in concentrated sulfuric acid; 2,6- dicyclopentyl-4-chlorophenol (bp 235–240 ℃ at 1.8 kPa) is produced as a byproduct. 4-Chloro-2- cyclopentylphenol is no longer used as a microbicide in disinfectants because of its toxicity.
[Toxicology]

LD50 (oral, rat) 2460 mg/kg, LD50 (oral, rabbit) 420 mg/kg, LD50 (dermal, rabbit) 850 mg/kg. 4-Chloro-2- cyclopentylphenol strongly irritates the skin and mucous membranes but is not sensitizing.
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