4,4'-Diiodo-2,2'-dimethylbiphenyl - Names and Identifiers
Name | 4,4'-Diiodo-2,2'-dimethylbiphenyl
|
Synonyms | K0007 4,4'-Diiodo-2,2'-dimethyL 2,2'-diMethyl-4,4'-diodobiphenyl 2,2'-dimethyl-4,4'-diodobiphenyl 4,4'-Diiodo-2,2'-dimethylbiphenyl 2,2'-dimethyl-4,4'-diiodo-1,1'-biphenyl 4,4'-Diiodo-2,2'-dimethyl-1,1'-biphenyl 1,1'-Biphenyl,4,4'-diiodo-2,2'-dimethyl- 4-iodo-1-(4-iodo-2-methylphenyl)-2-methylbenzene
|
CAS | 69571-02-4
|
EINECS | 804-250-9 |
InChI | InChI=1/C14H12I2/c1-9-7-11(15)3-5-13(9)14-6-4-12(16)8-10(14)2/h3-8H,1-2H3 |
4,4'-Diiodo-2,2'-dimethylbiphenyl - Physico-chemical Properties
Molecular Formula | C14H12I2
|
Molar Mass | 434.05 |
Density | 1.875 |
Melting Point | 96.0 to 100.0 °C |
Boling Point | 374.8±42.0 °C(Predicted) |
Flash Point | 175.5°C |
Solubility | soluble in Toluene |
Vapor Presure | 1.75E-05mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Almost white |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | 1.668 |
4,4'-Diiodo-2,2'-dimethylbiphenyl - Risk and Safety
Risk Codes | R41 - Risk of serious damage to eyes
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39 - Wear eye / face protection.
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 | UN 3152PSN1 9 / PGII |
WGK Germany | 3 |
4,4'-Diiodo-2,2'-dimethylbiphenyl - Introduction
4,4 '-Diiodo-2,2'-dimethylbiphenyl is an organic compound with the formula C14H12I2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 4,4 '-Diiodo-2,2'-dimethylbiphenyl is a colorless crystalline or white solid.
-Melting point: about 82-86 degrees Celsius.
-Boiling point: about 340 degrees Celsius.
-Solubility: It dissolves in organic solvents such as ethanol and benzene.
Use:
-Chemical reagent: 4,4 '-Diiodo-2,2'-dimethylbiphenyl is usually used as fluorescent dyes, optical materials and intermediates for liquid crystal displays.
-Organic synthesis: It can be used as a starting material or reagent in organic synthesis.
Preparation Method:
The preparation method of 4,4 '-Diiodo-2,2'-dimethylbiphenyl usually includes the following steps:
-The first step: 2,2 '-dimethyl-4, 4'-dinitrobiphenyl is prepared by reacting o-dinitrobiphenyl with methyl magnesium solution.
-The second step: reacting 2,2 '-dimethyl-4, 4'-dinitrobiphenyl with an organic sulfoxide or dimethylthionyl chloride to form 2,2 '-dimethyl-4, 4'-disulphonylbiphenyl.
-The third step: 2,2 '-dimethyl-4, 4'-disulphonylbiphenyl is reacted with potassium iodide to obtain 4,4 '-Diiodo-2,2'-dimethylbiphenyl.
Safety Information:
- 4,4 '-Diiodo-2,2'-dimethylbiphenyl has low toxicity under normal conditions of use. But as a chemical, it still needs to be handled carefully and avoid contact with skin and eyes.
-When handling this compound, appropriate laboratory safety measures should be taken, including wearing protective gloves, goggles, and laboratory coats.
-When storing, keep it in a sealed container and keep it away from heat and fire sources.
-In the event of accidental exposure or misuse, seek medical help immediately and provide the necessary chemical composition and relevant information.
Last Update:2024-04-10 22:29:15