Chlorodiphenylmethane
Synonym(s):Benzhydryl chloride;Diphenylchloromethane
- CAS NO.：90-99-3
- Empirical Formula: C13H11Cl
- Molecular Weight: 202.68
- MDL number: MFCD00000855
- EINECS: 202-031-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-18 17:01:59
What is Chlorodiphenylmethane?
Chemical properties
Clear colorless to yellow liquid
The Uses of Chlorodiphenylmethane
Chlorodiphenylmethane was used as initiator during the controlled radical polymerization of styrene catalyzed by ionic iron complex. It was also used as the starting reagent in the synthesis of trimethylhydroquinone derivatives.
What are the applications of Application
Benzhydryl chloride is used as a pharmaceutical intermediate, such as diphenhydramine intermediate.
Preparation
Chlorodiphenylmethane was synthesized by the radical substitution reaction between diphenylmethane and chlorine gas.
Purification Methods
Diphenylmethyl chloride (benzhydryl chloride) [90-99-3] M 202.7, m 17.0o, b 140o/3mm, 1 6 7o/17mm, n 1.5960. Dry the chloride with Na2SO4 and fractionally distil it under reduced pressure. [Beilstein 5 H 590, 5 I 278, 5 II 500, 5 III 1790, 5 IV 1847.]
Properties of Chlorodiphenylmethane
| Melting point: | 15-17 °C(lit.) |
| Boiling point: | 140 °C3 mm Hg(lit.) |
| Density | 1.14 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Soluble), Methanol (Sparingly) |
| form | Liquid |
| color | Clear colorless to yellow |
| Specific Gravity | 1.14 |
| Water Solubility | slightly soluble |
| BRN | 607925 |
| CAS DataBase Reference | 90-99-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,1'-(chloromethylene)bis-(90-99-3) |
| EPA Substance Registry System | Benzene, 1,1'-(chloromethylene)bis- (90-99-3) |
Safety information for Chlorodiphenylmethane
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Chlorodiphenylmethane
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