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| CAS No.: | 18880-04-1 |
|---|---|
| Name: | 3,4-Dichlorobenzyl bromide |
| Article Data: | 3 |
| Molecular Structure: | |
|
|
|
| Formula: | C7H5BrCl2 |
| Molecular Weight: | 239.927 |
| Synonyms: | Toluene, a-bromo-3,4-dichloro-(6CI,7CI,8CI);1-Bromomethyl-3,4-dichlorobenzene;4-Bromomethyl-1,2-dichlorobenzene;1,2-Dichloro-4-(bromomethyl)benzene; |
| EINECS: | -0 |
| Density: | 1.679 g/cm3 |
| Melting Point: | 19 °C |
| Boiling Point: | 263.3 °C at 760 mmHg |
| Flash Point: | 127.3 °C |
| Solubility: | Insoluble in water. |
| Appearance: | clear colorless to light yellow liquid |
| Hazard Symbols: |
 C,  T,  N
|
| Risk Codes: | 34-22 |
| Safety: | 45-36/37/39-25-61-26 |
| Transport Information: | UN 1760 |
| PSA: | 0.00000 |
| LogP: | 3.88830 |
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Chemistry
3,4-Dichlorobenzyl bromide (18880-04-1) is called for TIMTEC-BB SBB005763 ; 4-(Bromomethyl)-1,2-dichlorbenzene ; alpha-Bromo-3,4-dichlorotoluene ; à-bromo-3,4-dichlorotoluene ; 3,4-Dichlorobenzylbromide97%;α-Bromo-3,4-dichlorotoluene, 1-bromomethyl-3,4-dichlorobenzene, 4-(Bromomethyl)-1,2-dichlorobenzene ,and so on. 3,4-Dichlorobenzyl bromide (18880-04-1) is clear colorless to light yellow liquid.
CAS: 18880-04-1
Molecular Formula: C7H5BrCl2
Molecular Weight: 239.92
Molecular structure:
Sensitive: Lachrymatory
BRN: 742579
ACD/LogD (pH 5.5): 3.98
ACD/LogD (pH 7.4): 3.98
ACD/BCF (pH 5.5): 627.83
ACD/BCF (pH 7.4): 627.83
ACD/KOC (pH 5.5): 3501.83
ACD/KOC (pH 7.4): 3501.83
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 1
Index of Refraction: 1.597
Molar Refractivity: 48.69 cm3
Molar Volume: 142.8 cm3
Polarizability: 19.3 10-24cm3
Surface Tension: 44 dyne/cm
Density: 1.679 g/cm3
Flash Point: 127.3 °C
Enthalpy of Vaporization: 48.09 kJ/mol
Boiling Point: 263.3 °C at 760 mmHg
Vapour Pressure: 0.0169 mmHg at 25°C
Uses
3,4-Dichlorobenzyl bromide (18880-04-1) is commonly used as pharmaceutical intermediate and organic reagent.
Safety Profile
Hazard Codes: C,T,N .gif){kind=small}
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Risk Statements: 34-22 (34: Causes burns 22: Harmful if swallowed)
Safety Statements: 45-36/37/39-25-61-26 (45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 36/37/39: Wear suitable protective clothing, gloves and eye/face protection 25: Avoid contact with eyes 61: Avoid release to the environment. Refer to special instructions safety data sheet 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
RIDADR: 1760
Hazard Note: Toxic/Corrosive/Lachrymatory
HazardClass: 8
PackingGroup: II
Specification
Removal in wastewater treatment of 3,4-Dichlorobenzyl bromide (18880-04-1) can be stated as follows:
Total removal:45.45 percent
Total biodegradation:0.35 percent
Total sludge adsorption:36.09 percent
Total to Air:9.01 percent
(using 10000 hr Bio P,A,S)