ChemicalBook--->CAS DataBase List--->3217-15-0

3217-15-0

3217-15-0 Structure

3217-15-0 Structure
IdentificationBack Directory
[Name]

4-BROMO-2.6-DICHLOROPHENOL
[CAS]

3217-15-0
[Synonyms]

2,6-Dichloro-4-bromophenol
3-(1-tetrazolyl)benzoic acid
Phenol, 4-bromo-2,6-dichloro-
4-Bromo-2,6-dichlorophenol, >=97%
3-(1,2,3,4-tetrazol-1-yl)benzoic acid
[EINECS(EC#)]

221-740-2
[Molecular Formula]

C6H3BrCl2O
[MDL Number]

MFCD00019996
[MOL File]

3217-15-0.mol
[Molecular Weight]

241.897
Chemical PropertiesBack Directory
[Melting point ]

64-65℃
[Boiling point ]

247℃
[density ]

1.890
[Fp ]

103℃
[storage temp. ]

Sealed in dry,Room Temperature
[solubility ]

soluble in Methanol
[form ]

Powder
[pka]

6.46±0.23(Predicted)
[color ]

Off-white
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Carbon tetrachloride-->2-Chlorophenol-->4-Bromo-2-chlorophenol-->2,6-Dichlorophenol-->Acetonitrile
Safety DataBack Directory
[HazardClass ]

6.1
[HazardClass ]

IRRITANT
[HS Code ]

2908190090
Hazard InformationBack Directory
[Chemical Properties]

White or slightly pink crystals. Melting point 66.5°C. Soluble in alcohol and ether, slightly soluble in cold petroleum ether, insoluble in water.
[Synthesis]

Obtained by bromination and chlorination of o-chlorophenol: dissolve o-chlorophenol in carbon tetrachloride, add bromine dropwise with stirring at below 30°C, continue stirring and react for 2h after addition, then remove hydrobromic acid at room temperature, recover carbon tetrachloride and distill under reduced pressure, collect the fraction of 110-120°C (2kPChemicalbooka), and obtain 4-bromo-2-chlorophenol. Dissolve 4-bromo-2-chlorophenol in acetic acid and pass chlorine gas under ice-cold conditions until no more crystals are precipitated. Heat and reflux until all crystals are dissolved, decolorized, filtered, cool and crystallized, filter, and wash with petroleum ether to obtain the finished product 4-Bromo-2,6-dichlorophenol.
[References]

[1] Patent: WO2007/134864, 2007, A1. Location in patent: Page/Page column 32
[2] Chinese Chemical Letters, 2012, vol. 23, # 4, p. 387 - 390
[3] Bioorganic and Medicinal Chemistry Letters, 2006, vol. 16, # 4, p. 884 - 886
[4] Journal of the Iranian Chemical Society, 2012, vol. 9, # 3, p. 321 - 326
[5] Patent: US2013/131016, 2013, A1. Location in patent: Paragraph 0294; 0295
Spectrum DetailBack Directory
[Spectrum Detail]

4-Bromo-2,6-dichlorophenol(3217-15-0)1HNMR
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