Name | 4-bromo-2,5-dichlorophenol |
Synonyms | BRN 1865022 Phosvel phenol leptophosphenol Leptophos phenol 4-Bromo-2,5-dichlorophemol 4-Bromo-2,5-dichlorophenol 4-bromo-2,5-dichloro-pheno -bromo-2,5-dichlorophenol. 2,5-Dichloro-4-bromophenol 4-bromo-2,5-dichlorophenol Phenol, 4-bromo-2,5-dichloro- phenol, 4-bromo-2,5-dichloro-, sodium salt 3-06-00-00752 (Beilstein Handbook Reference) |
CAS | 1940-42-7 |
EINECS | 217-719-2 |
InChI | InChI=1/C13H10BrCl2O2PS.C6H6O/c1-17-19(20,9-5-3-2-4-6-9)18-13-8-11(15)10(14)7-12(13)16;7-6-4-2-1-3-5-6/h2-8H,1H3;1-5,7H |
Molecular Formula | C6H3BrCl2O |
Molar Mass | 241.9 |
Density | 1.8878 (rough estimate) |
Melting Point | 73 °C |
Boling Point | 187 °C / 80mmHg |
pKa | 6.98±0.23(Predicted) |
Refractive Index | 1.5590 (estimate) |
Physical and Chemical Properties | White needle crystal. Melting point 71-72 ℃. |
RTECS | SJ8000000 |
chemical properties | white needle crystal. Melting point 71-72 ℃. |
use | pesticide benzobrophos pesticide intermediate. |
production method | bromination of 2, 5-dichlorophenol. Add 2, 5-dichlorophenol and glacial acetic acid into the reactor, and add bromine dropwise at 30°C. The melting point of the crude product is 52-59 ℃, and the yield is over 95%. |
NIST chemical information | The information is: webbook.nist.gov provides (external link) |
EPA chemical information | The information is: offered by ofmpub.epa.gov (external link) |