3,4-Dichlorobenzophenone
- CAS NO.:6284-79-3
- Empirical Formula: C13H8Cl2O
- Molecular Weight: 251.11
- MDL number: MFCD00000552
- EINECS: 228-509-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-06 15:28:16
What is 3,4-Dichlorobenzophenone?
Chemical properties
light brown to pink-grey crystalline powde
The Uses of 3,4-Dichlorobenzophenone
3,4-Dichlorobenzophenone has been used as a reactant for the preparation of chiral benzyl alcohols.
Synthesis
The synthesis of 3,4-Dichlorobenzophenone is as follows:In around-bottom flask, diarylmethanes (1.0 mmol), NBS (889.9 mg, 5.0 mmol) andwater (0 or 5.0 mmol) were dissolved in CHCl3 (4.0 mL). After refluxing for 3 h in the air, the reaction mixture was quenched withNa2S2O3·5H2O, cooled to roomtemperature, washed with 5mL CH2Cl2, dried with MgSO4,and filtered to get clear organic solution. The solvent was removed reduced pressure by a rotary evaporator, and the resulting residue was subjected to column chromatography on silica gel using co-solvent(ethyl acetate / petroleum ether, v/v) as eluent to give the corresponding diaryllketones.
Properties of 3,4-Dichlorobenzophenone
Melting point: | 100-103 °C |
Boiling point: | 356.37°C (rough estimate) |
Density | 1.2472 (rough estimate) |
refractive index | 1.5555 (estimate) |
storage temp. | 2-8°C |
form | powder to crystal |
color | White to Light yellow to Light orange |
BRN | 2105069 |
InChI | InChI=1S/C13H8Cl2O/c14-11-7-6-10(8-12(11)15)13(16)9-4-2-1-3-5-9/h1-8H |
CAS DataBase Reference | 6284-79-3(CAS DataBase Reference) |
Safety information for 3,4-Dichlorobenzophenone
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,4-Dichlorobenzophenone
InChIKey | LLUPHTAYNHAVQT-UHFFFAOYSA-N |
SMILES | C(C1=CC=C(Cl)C(Cl)=C1)(C1=CC=CC=C1)=O |
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