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Cas Database |
| Name |
2-Bromoethylbenzene |
EINECS | 217-823-8 |
| CAS No. | 1973-22-4 | Density | 1.336 g/cm3 |
| PSA | 0.00000 | LogP | 3.01150 |
| Solubility | N/A | Melting Point |
-56 °C |
| Formula | C8H9Br | Boiling Point | 199.9 °C at 760 mmHg |
| Molecular Weight | 185.063 | Flash Point | 66.4 °C |
| Transport Information | UN 3082 9/PG 3 | Appearance | Clear colourless to light yellow liquid |
| Safety | 26-61-24/25 | Risk Codes | 36/37/38-51/53 |
| Molecular Structure |
|
Hazard Symbols |
 Xi,  N,  O
|
| Synonyms |
2-Ethylbromobenzene;1-Bromo-2-ethylbenzene;1-Ethyl-2-bromobenzene;2-Bromo-1-ethylbenzene;o-Bromoethylbenzene;o-Ethylbromobenzene; |
Article Data | 44 |
2-Bromoethylbenzene Synthetic route
| Conditions | Yield |
|---|---|
| With methanol; palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Schlenk technique; Inert atmosphere; | 99% |
| With methanol; palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Sealed tube; Inert atmosphere; chemoselective reaction; | 70% |
| With hydrogen In ethanol at 80℃; under 15001.5 Torr; Flow reactor; Green chemistry; chemoselective reaction; | 18% |
| With platinum; benzene Hydrogenation; | |
| With sodium acetate trihydrate; toluene-4-sulfonic acid hydrazide In tetrahydrofuran at 80℃; for 12h; Inert atmosphere; |
| Conditions | Yield |
|---|---|
| With oxygen; sodium bromide In dibutyl ether at 45℃; under 760.051 Torr; for 5h; Schlenk technique; | A 83% B 9% |
| With carbon dioxide; bromine at 40℃; under 187519 Torr; for 2h; Supercritical conditions; Green chemistry; | A 64% B 36% |
| With ammonium nitrate; N-Bromosuccinimide In acetonitrile for 8h; | A 53% B 30% |
- 74-96-4
ethyl bromide
- 108-86-1
bromobenzene
A
- 1585-07-5
1-bromo-4-ethylbenzene
B
- 1973-22-4
1-bromo-2-ethylbenzene
| Conditions | Yield |
|---|---|
| With aluminium at 80℃; |
| Conditions | Yield |
|---|---|
| With hydrogen bromide; copper(I) bromide; sodium nitrite | |
| With hydrogen bromide; copper; sodium nitrite | |
| (i) aq. HBr, NaNO2, (ii) Cu; Multistep reaction; | |
| (i) NaNO2, aq. HBr, (ii) Cu; Multistep reaction; | |
| (i) (diazotization), aq. HBr, (ii) Cu; Multistep reaction; |
- 108-86-1
bromobenzene
- 74-85-1
ethene
A
- 1585-07-5
1-bromo-4-ethylbenzene
B
- 1973-22-4
1-bromo-2-ethylbenzene
C
- 2725-82-8
1-bromo-3-ethylbenzene
| Conditions | Yield |
|---|---|
| H-ZSM-5 catalyst at 400℃; Product distribution; alkylation of benzene and momosubstituted benzenes with ethylene over H-ZSM-5 and mordenite-H catalysts; isomerization of ethylarenes over H-mordenite; |
| Conditions | Yield |
|---|---|
| H-mordenite at 250℃; Product distribution; alkylation of benzene and momosubstituted benzenes with ethylene over H-ZSM-5 and mordenite-H catalysts; isomerization of ethylarenes over H-mordenite; |
- 100-41-4
ethylbenzene
A
- 108-86-1
bromobenzene
B
- 1585-07-5
1-bromo-4-ethylbenzene
C
- 1973-22-4
1-bromo-2-ethylbenzene
| Conditions | Yield |
|---|---|
| With hydrogen bromide; dihydrogen peroxide at 50℃; Product distribution; Kinetics; Thermodynamic data; oth. temperature, var. stirring rate, var. ratio of reactants, E(activ.), ΔH(activ.), ΔS(activ.), ΔG(activ.); | A 1.6 % Chromat. B 73.3 % Chromat. C 22.2 % Chromat. |
| With hydrogenchloride; sodium hypochlorite; sodium bromide In water at 19.85℃; for 5h; Product distribution; Further Variations:; Temperatures; |
- 100-41-4
ethylbenzene
A
- 1585-07-5
1-bromo-4-ethylbenzene
B
- 1973-22-4
1-bromo-2-ethylbenzene
C
- 2725-82-8
1-bromo-3-ethylbenzene
| Conditions | Yield |
|---|---|
| With bromine; iron(III) chloride In acetic acid at 25 - 75℃; Rate constant; Product distribution; other solvents (nitromethane, acetic anhydride), k (rel. to benzene); |
- 113163-19-2
1-bromo-2-(2-iodoethyl)benzene
A
- 1074-15-3
1-bromo-2-(2-bromoethyl)benzene
B
- 100-41-4
ethylbenzene
C
- 1973-22-4
1-bromo-2-ethylbenzene
D
- 17376-04-4
2-phenethyl iodide
E
- 2039-88-5
2-bromostyrene
F
- 103-63-9
1-phenyl-2-bromoethane
| Conditions | Yield |
|---|---|
| With methanol; tert.-butyl lithium In tetrahydrofuran at -98℃; Product distribution; Mechanism; |
- 1973-22-4
1-bromo-2-ethylbenzene
| Conditions | Yield |
|---|---|
| With potassium fluoride In N,N-dimethyl-formamide at 50℃; for 3h; Yield given; |
2-Bromoethylbenzene Chemical Properties
The molecular structure of 2-Bromoethylbenzene (CAS NO.1973-22-4) is
.png)
IUPAC Name: 1-Bromo-2-ethylbenzene
Molecular Formula: C8H9 Br
Molecular Weight: 185.06
EINECS: 217-823-8
Density: 1.338
Melting Point: -56 °C
Boiling Point: 199.9 °C at 760 mmHg
Flash Point: 71 ºC
Appearance: Clear colourless to light yellow liquid
Freely Rotating Bonds: 1
Polar Surface Area: Å2
Index of Refraction: 1.54
Molar Refractivity: 43.49 cm3
Molar Volume: 138.4 cm3
Polarizability: 17.24 ×10-24 cm3
Surface Tension: 34 dyne/cm
Enthalpy of Vaporization: 41.83 kJ/mol
Vapour Pressure: 0.471 mmHg at 25°C
The Cas Register Number of 2-Bromoethylbenzene is 1973-22-4. The chemical synonyms of 2-Bromoethylbenzene (CAS NO.1973-22-4) are 2-Ethylbromobenzene ; 1-Bromo-2-ethylbenzene ; O-Bromoethylbenzene ; 1-Ethyl-2-brombenzol ; 1-Ethyl-2-bromobenzene ; 2-Bromo-1-ethylbenzene ; benzene,1-bromo-2-ethyl- ; o-ethylbromobenzene . Its product categories are Benzene derivates ; Bromine Compounds ; Aryl ; C8 ; Halogenated Hydrocarbons .
2-Bromoethylbenzene Uses
2-Bromoethylbenzene (CAS NO.1973-22-4) is used as organic reagent, pharmaceutical intermediate.
2-Bromoethylbenzene Safety Profile
Hazard Codes: 
Xi,
N,
O
Risk Statements: 36/37/38-51/53
R36/37/38: Irritating to eyes, respiratory system and skin.
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-61-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
S24/25: Avoid contact with skin and eyes.
RIDADR: UN 3082 9/PG 3
WGK Germany: 3
F: 9
HazardClass: IRRITANT
HS Code: 29036990
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