3,5-Dichlorobiphenyl, 3,5-PCB - Names and Identifiers
Name | 3,5-dichlorobiphenyl
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Synonyms | PCB 14 BZNO 14 3,5-PCB PCB NO 14 34883-41-5 BALLSCHMITER NO 14 3,5-Dichlorobiphenyl 3,5-DICHLOROBIPHENYL 3,5-dichlorobiphenyl 3,5-Dichloro-1,1'-biphenyl 1,1'-Biphenyl, 3,5-dichloro- 1,1'-biphenyl, 3,5-dichloro- 3,5-Dichlorobiphenyl, 3,5-PCB
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CAS | 34883-41-5
|
EINECS | 630-495-4 |
InChI | InChI=1/C12H8Cl2/c13-11-6-10(7-12(14)8-11)9-4-2-1-3-5-9/h1-8H |
3,5-Dichlorobiphenyl, 3,5-PCB - Physico-chemical Properties
Molecular Formula | C12H8Cl2
|
Molar Mass | 223.1 |
Density | 1.2490 (rough estimate) |
Melting Point | 62℃ |
Boling Point | 289.78°C (rough estimate) |
Flash Point | 149.7°C |
Vapor Presure | 0.000487mmHg at 25°C |
Appearance | neat |
BRN | 1944311 |
Refractive Index | 1.6257 (589.3 nm 25℃ |
3,5-Dichlorobiphenyl, 3,5-PCB - Risk and Safety
Risk Codes | R33 - Danger of cumulative effects
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
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Safety Description | S35 - This material and its container must be disposed of in a safe way.
S60 - This material and its container must be disposed of as hazardous waste.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
|
UN IDs | 2315 |
WGK Germany | 3 |
Hazard Class | 9 |
Packing Group | II |
3,5-Dichlorobiphenyl, 3,5-PCB - Introduction
3,5-dichlorobiphenyl is an organic compound with the molecular formula C12H8Cl2 and the structural formula is as follows:
Cl Cl
/
C=C
/
Cl H
Properties of 3,5-dichlorobiphenyl:
-Appearance: Colorless crystalline solid
-Melting point: 60-62 ℃
-Boiling point: 280 ℃
-Density: 1.36g/cm³
-insoluble in water, soluble in organic solvents such as ethanol, ether, etc.
The main use of 3,5-dichlorobiphenyl:
-As an intermediate in organic synthesis, it is widely used in organic synthesis reactions. The chlorides can undergo nucleophilic substitution, reduction, oxidation and other reactions for the preparation of other organic compounds.
-Used in the manufacture of dyes, pigments and pharmaceutical intermediates.
Preparation of 3,5-dichlorobiphenyl:
is usually obtained by the reaction of biphenyl with chlorine. The reaction conditions are generally high temperature (180-200°C), using iron catalyst catalysis.
Safety information for 3,5-dichlorobiphenyl:
- 3,5-dichlorobiphenyl is irritating and irritating to the skin and eyes. It should be rinsed with plenty of water immediately after contact.
-During the operation, pay attention to prevent inhalation of gas, operate in a well-ventilated place, and wear protective gloves and protective glasses.
-Avoid contact with oxidants and acidic substances during storage, and avoid high temperature and fire sources.
-In the disposal of waste, in accordance with the relevant laws and regulations to avoid pollution to the environment.
Last Update:2024-04-09 01:59:58