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| CAS No.: | 698-80-6 |
|---|---|
| Name: | 3,4-Difluorobenzyl chloride |
| Article Data: | 2 |
| Molecular Structure: | |
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|
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| Formula: | C7H5 Cl F2 |
| Molecular Weight: | 162.567 |
| Synonyms: | Toluene,a-chloro-3,4-difluoro- (7CI,8CI); 3,4-Difluorobenzyl chloride;4-(Chloromethyl)-1,2-difluorobenzene |
| Density: | 1.294g/cm3 |
| Melting Point: | 52-53 °C |
| Boiling Point: | 28 °C |
| Flash Point: | 27-29°C/0.4mm |
| Appearance: | Clear colorless to faintly yellow liquid |
| Hazard Symbols: |
|
| Risk Codes: | R20/22;R34 |
| Safety: | S26;S36/37/39;S45 |
| PSA: | 0.00000 |
| LogP: | 2.70360 |
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Chemistry
3,4-Difluorobenzyl chloride (698-80-6) is called for 3,4-Difluorobenzylchloride,98% ; JRD-0330 ; BBV-155272 ; CID2736954 ; 4-(chloromethyl)-1,2-difluoro-benzene ; TL8004912 ; I01-2567 ,and so on. 3,4-Difluorobenzyl chloride (698-80-6) is usually clear colorless to faintly yellow liquid.
IUPAC Name: 4-(Chloromethyl)-1,2-difluorobenzene
CAS: 698-80-6
Molecular Formula: C7H5ClF2
Molecular Weight: 162.56
Molecular structure:
Sensitive: Lachrymatory
ACD/LogD (pH 5.5): 2.5
ACD/LogD (pH 7.4): 2.5
ACD/BCF (pH 5.5): 46.8
ACD/BCF (pH 7.4): 46.8
ACD/KOC (pH 5.5): 545.98
ACD/KOC (pH 7.4): 545.98
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 1
Index of Refraction: 1.485
Molar Refractivity: 36 cm3
Molar Volume: 125.5 cm3
Polarizability: 14.27 10-24cm3
Surface Tension: 31.2 dyne/cm
Density: 1.294 g/cm3
Flash Point: 65.6 °C
Enthalpy of Vaporization: 40.04 kJ/mol
Boiling Point: 181.3 °C at 760 mmHg
Vapour Pressure: 1.17 mmHg at 25°C
Uses
3,4-Difluorobenzyl chloride (698-80-6) is commonly used as pharmaceutical intermediate.
Safety Profile
Hazard Codes: C .gif){kind=small}
Risk Statements: 34-20/22 (34: Causes burns 20/22: Harmful by inhalation and if swallowed)
Safety Statements: 45-36/37/39-26 (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 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
RIDADR: 1760
Hazard Note: Corrosive/Lachrymatory
HazardClass: 8
PackingGroup: III
Specification
Removal in wastewater treatment of 3,4-Difluorobenzyl chloride (698-80-6) can be stated as follows:
Total removal:57.91 percent
Total biodegradation:0.08 percent
Total sludge adsorption:5.52 percent
Total to Air:52.31 percent
(using 10000 hr Bio P,A,S)