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Name |
4-Bromo-o-xylene |
EINECS | 209-518-3 |
CAS No. | 583-71-1 | Density | 1.339 g/cm3 |
PSA | 0.00000 | LogP | 3.06590 |
Solubility | Not miscible in water. | Melting Point |
-12--10 °C |
Formula | C8H9Br | Boiling Point | 213.9 °C at 760 mmHg |
Molecular Weight | 185.063 | Flash Point | 85.8 °C |
Transport Information | UN 1701 6.1/PG 2 | Appearance | Clear colourless to light yellow liquid |
Safety | 26-60-61-24/25 | Risk Codes | 22-36/37/38-50/53 |
Molecular Structure | Hazard Symbols | Xn, N, Xi | |
Synonyms |
o-Xylene,4-bromo- (6CI,7CI,8CI);1-Bromo-3,4-dimethylbenzene;3,4-Dimethylbromobenzene;3,4-Dimethylphenyl bromide;3,4-Xylyl bromide;4-Bromo-1,2-dimethylbenzene;4-Bromo-1,2-xylene;NSC 60147; |
Article Data | 51 |
Conditions | Yield |
---|---|
With K10-montmorillonite clay; bromine In tetrachloromethane for 1.5h; Ambient temperature; | 96% |
With carbon dioxide; bromine at 40℃; under 187519 Torr; for 2h; Supercritical conditions; Green chemistry; | 95% |
With tetrabutylammomium bromide; dihydrogen peroxide; vanadia In water; acetonitrile at 5℃; for 1.5h; Bromination; | 92% |
Conditions | Yield |
---|---|
With bromine; acetic acid | A 82% B 18% |
With bromine; iodine In dichloromethane at -10 - 20℃; for 7.58333h; | A 75% B 15% |
With hydrogenchloride; sodium hypochlorite; sodium bromide In water at 29.85℃; for 8h; Product distribution; Further Variations:; Temperatures; | A 24.6% B 68.5% |
Methyl fluoride
para-bromotoluene
A
1-bromo-2,4-dimethylbenzene
B
4-bromo-o-xylene
Conditions | Yield |
---|---|
With oxygen at 40℃; under 720 Torr; Mechanism; Irradiation; | A 72% B 28% |
Conditions | Yield |
---|---|
With copper(ll) bromide |
Conditions | Yield |
---|---|
With sulfuric acid Diazotization.Behandlung der Diazoniumsalz-Loesung mit CuBr in der Waerme; | |
(i) (diazotization), aq. HBr, (ii) Cu; Multistep reaction; |
o-xylene
A
4-bromo-o-xylene
B
2,3-dimethylbromobenzene
C
2-methylbenzyl bromide
D
α,α'-dibromo-o-xylene
Conditions | Yield |
---|---|
With bromine In water for 0.333333h; Ambient temperature; Irradiation; | A 3 % Chromat. B 2 % Chromat. C 16 % Chromat. D 79 % Chromat. |
o-xylene
bromine
iodine
A
4-bromo-o-xylene
B
dibromoxylene
C
1,2-dibromo-4,5-dimethylbenzene
D
1,2,3,4-tetrabromo-5,6-dimethylbenzene
4-bromo-o-xylene
Conditions | Yield |
---|---|
With N-Bromosuccinimide In water at 150℃; under 2625.26 Torr; for 0.0666667h; Irradiation; | A 11 % Chromat. B 51 % Chromat. |
4-Bromo-o-xylene(583-71-1) is used as synthetic organic materials and soluble polyimide resin intermediates.