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| CAS No.: | 55934-00-4 |
|---|---|
| Name: | Pyridine,3,4-dichloro- |
| Article Data: | 2 |
| Molecular Structure: | |
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| Formula: | C5H3 Cl2 N |
| Molecular Weight: | 147.992 |
| Synonyms: | 3,4-Dichloropyridine |
| EINECS: | -0 |
| Density: | 1.388g/cm3 |
| Melting Point: | 22-23oC |
| Boiling Point: | 180.1oC at 760 mmHg |
| Flash Point: | 78.2oC |
| Hazard Symbols: | Xi |
| Safety: | 26-36 |
| PSA: | 12.89000 |
| LogP: | 2.38840 |
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Chemistry
3,4-Dichloropyridine (55934-00-4) is called for 5-Ethyl-2-(trifluoromethyl)benzimidazole ; CID55934 ; LS-32977 ; Benzimidazole, 5-ethyl-2-(trifluoromethyl)- ,and so on. 3,4-Dichloropyridine (55934-00-4) is white to light yellow solid.
IUPAC Name: 6-Ethyl-2-(trifluoromethyl)-1H-benzimidazole
CAS: 55934-00-4
Molecular Formula: C5H3Cl2N
Molecular Weight: 147.99
Molecular structure:
Melting point: 22-23 °C
ACD/LogD (pH 5.5): 1.89
ACD/LogD (pH 7.4): 1.89
ACD/BCF (pH 5.5): 16.1
ACD/BCF (pH 7.4): 16.1
ACD/KOC (pH 5.5): 254.37
ACD/KOC (pH 7.4): 254.39
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 0
Index of Refraction: 1.553
Molar Refractivity: 34.13 cm3
Molar Volume: 106.5 cm3
Polarizability: 13.53 10-24cm3
Surface Tension: 43.1 dyne/cm
Density: 1.388 g/cm3
Flash Point: 78.2 °C
Enthalpy of Vaporization: 39.93 kJ/mol
Boiling Point: 180.1 °C at 760 mmHg
Vapour Pressure: 1.24 mmHg at 25°C
Uses
3,4-Dichloropyridine (55934-00-4) is commonly used as pharmaceutical intermediate.
Safety Profile
Hazard Codes: Xi .gif){kind=small}
Safety Statements: 26-36 (26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36: Wear suitable protective clothing)
Hazard Note: Irritant
Specification
Removal in wastewater treatment of 3,4-Dichloropyridine (55934-00-4) can be stated as follows:
Total removal:2.58 percent
Total biodegradation:0.10 percent
Total sludge adsorption:2.24 percent
Total to Air:0.24 percent
(using 10000 hr Bio P,A,S)