p-chlorobenzylbenzene
4-Chlorodiphenylmethane
CAS: 831-81-2
Molecular Formula: C13H11Cl
p-chlorobenzylbenzene - Names and Identifiers
| Name | 4-Chlorodiphenylmethane |
| Synonyms | NSC 83166 p-chlorobenzylbenzene 4-Benzylchlorobenzene 4-CHLORODIPHENYLMETHANE p-chlorodiphenylmethane 4-Chlorodiphenylmethane 1-(benzyl)-4-chloro-benzene (4-chlorophenyl)phenyl-methan (4-chlorophenyl)phenylmethane |
| CAS | 831-81-2 |
| InChI | InChI=1/C13H11Cl/c14-13-8-6-12(7-9-13)10-11-4-2-1-3-5-11/h1-9H,10H2 |
p-chlorobenzylbenzene - Physico-chemical Properties
| Molecular Formula | C13H11Cl |
| Molar Mass | 202.68 |
| Density | 1.121g/cm3 |
| Melting Point | 7 °C |
| Boling Point | 289.4°C at 760 mmHg |
| Flash Point | 122°C |
| Vapor Presure | 0.00383mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.583 |
| MDL | MFCD00094070 |
| Physical and Chemical Properties | Chemical colorless liquid. Melting point 15-17 ℃, boiling point 140 ℃(399.966Pa),298 ℃(98.8kPa),147-148 ℃(1.1kPa),122-123 ℃(0.133kPa), relative density 1.140(20/4 ℃), refractive index 1.5951, flash point 110 ℃, product purity 98%. |
| Use | Uses organic intermediates. P-chlorodiphenylbromomethane can be obtained by bromination, which is an intermediate of anti-allergic drugs. Preparation of p-chlorodiphenylbromomethane: 2% dibenzoyl peroxide was added to p-chlorodiphenylmethane, and bromine was added dropwise by heating to 130 °c. After the addition, the reaction was carried out for 1H, cooled, washed with water, washed with 5% sodium hydroxide and then washed with water until neutral. The product was dried over anhydrous sodium sulfate with a yield of 95-98%. |
p-chlorobenzylbenzene - Risk and Safety
| Hazard Symbols | Xi - Irritant |
p-chlorobenzylbenzene - Upstream Downstream Industry
| Raw Materials | Zinc chloride 4-Chlorobenzyl chloride |
| Downstream Products | 1-Piperazineacetaldehyde 4,4'-DDM |
p-chlorobenzylbenzene - Preparation Method
Open Data Verified Data
It is prepared from p-chlorobenzyl chloride by reaction with benzene in the presence of zinc chloride.
Last Update：2022-01-01 10:41:36
p-chlorobenzylbenzene - Use
Open Data Verified Data
raw materials for organic synthesis. The bromination of p-chloro-diphenyl-bromomethane is a raw material for antiallergic drugs.
Last Update：2022-01-01 10:41:36
p-chlorobenzylbenzene - Safety
Open Data Verified Data
- see P-chlorotoluene. Production equipment should be closed. Protective gear was worn by the operator.
- the use of plastic drum packaging, storage in a cool, ventilated, dry place. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:41:36
p-chlorobenzylbenzene - Nature
| storage conditions | Sealed in dry,Room Temperature |
| Specific gravity | 1.11 |
| EPA chemical information | Benzene, 1-chloro-4-(phenylmethyl)- (831-81-2) |
Last Update：2024-04-10 22:29:15
p-chlorobenzylbenzene - Security information
| HazardClass | IRRITANT |
| customs code | 29039990 |
| toxic substance data | 831-81-2(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
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CAS: 831-81-2
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View History
Raw Materials for p-chlorobenzylbenzene
Downstream Products for p-chlorobenzylbenzene