1,1-Biphenyl,4-ethyl-4-ethynyl-

1,1-Biphenyl,4-ethyl-4-ethynyl- - Names and Identifiers

Name	4-Ethyl-4'-ethynylbiphenyl
Synonyms	Biphenyl,4-ethyl-4-ethynyl 4-Ethyl-4'-ethynylbiphenyl 4-Ethyl-4'-ethynylbiphenyl, 4- 1,1-Biphenyl,4-ethyl-4-ethynyl- 1,1-Biphenyl, 4-ethyl-4-ethynyl- 4-Ethynyl-4'-ethyl-1,1'-Biphenyl 4-Ethyl-4'-ethynyl-1,1'-biphenyl 1-ethyl-4-(4-ethynylphenyl)benzene 1,1-Bipheny,4-ethyl-4-ethynyl-(9CI) 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
CAS	477587-89-6
InChI	InChI=1S/C16H14/c1-3-13-5-9-15(10-6-13)16-11-7-14(4-2)8-12-16/h1,5-12H,4H2,2H3

1,1-Biphenyl,4-ethyl-4-ethynyl- - Physico-chemical Properties

Molecular Formula	C16H14
Molar Mass	206.28
Density	1.03
Boling Point	317.2±31.0 °C(Predicted)
Storage Condition	2-8°C

1,1-Biphenyl,4-ethyl-4-ethynyl- - Introduction

4-Ethyl-4 '-ethynylbiphenyl, also known as 4-Ethyl-4'-ethynylbiphenyl, is an organic compound. The following is a description of its properties, uses, preparation methods and safety information:

Nature:
-Appearance: 4-Ethyl-4 '-ethynylbiphenyl is a colorless to pale yellow crystalline solid.
-Molecular formula: C16H14
-Molecular weight: 206.29g/mol
-Melting point: about 85-88 degrees Celsius
-Boiling point: about 383 degrees Celsius
-Soluble: Soluble in some organic solvents, such as ether, methylene chloride and benzene.

Use:
- 4-Ethyl-4 '-ethynylbiphenyl is widely used in organic synthesis reactions, commonly used as thixotropic agent, photoluminescence material, liquid crystal material, etc.
-It can also be used as an important intermediate and play an important role in the fields of drug synthesis, fragrance synthesis and material science.

Preparation Method:
- 4-Ethyl-4 '-ethynylbiphenyl can be prepared by reacting ethyl-substituted biphenyl with chloroacetylene. The reaction is typically carried out under an inert atmosphere and the reaction is heated using a metal catalyst, such as a palladium catalyst, to form 4-Ethyl-4 '-ethynylbiphenyl.

Safety Information:
- 4-Ethyl-4 '-ethynylbiphenyl have no apparent hazard and toxicity under normal conditions.
-When using, pay attention to avoid direct contact with skin and eyes, and avoid inhaling its dust/smoke.
-It should be used and stored in a well-ventilated environment, and away from fire and oxidants.
-Observe appropriate safety practices and wear appropriate personal protective equipment during handling and storage.

It should be noted that this information is for reference only, and the specific nature, use and safety information also need to refer to the laboratory manual or related literature.

Last Update：2024-04-09 15:17:57