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1,1'-Biphenyl, 4-ethenyl-4'-methyl-, also known as 4-Vinyl-4'-methylbiphenyl (VMB), is an organic compound with the chemical formula C15H14. It is a colorless to pale yellow liquid with a molecular weight of 194.27 g/mol. VMB is a biphenyl derivative, characterized by a benzene ring connected to another benzene ring at opposite positions (1,1'-positions). The 4-position of one benzene ring is substituted with an ethyl group (-CH=CH2), while the 4'-position of the other benzene ring is substituted with a methyl group (-CH3). 1,1'-Biphenyl, 4-ethenyl-4'-methyl- is primarily used as a monomer in the production of polymers, such as polystyrene and polyphenylene, and can also be found as an impurity in certain petroleum products. Due to its potential environmental and health risks, it is important to handle and dispose of VMB with proper safety measures.

4040-29-3

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4040-29-3 Usage

Chemical Class

Biphenyl derivatives

Explanation

1,1'-Biphenyl, 4-ethenyl-4'-methylbelongs to the class of biphenyl derivatives, which are organic compounds consisting of two benzene rings linked by a single carbon-carbon bond.

Explanation

The compound is formed by connecting two benzene rings through a single bond between a carbon atom in each ring.

Explanation

The compound has an ethenyl (vinyl) group attached to the 4th carbon atom of one benzene ring and a methyl group attached to the 4th carbon atom of the other benzene ring.

Explanation

1,1'-Biphenyl, 4-ethenyl-4'-methylis utilized in various industrial processes and chemical synthesis, making it a valuable compound for the production of different organic compounds.

Explanation

Due to its chemical properties and potential uses, 1,1'-Biphenyl, 4-ethenyl-4'-methylattracts attention from researchers and industries that focus on creating innovative materials and products.

Explanation

The molecular formula of 1,1'-Biphenyl, 4-ethenyl-4'-methylindicates that it consists of 15 carbon atoms and 14 hydrogen atoms.

Explanation

The molecular weight of 1,1'-Biphenyl, 4-ethenyl-4'-methylis around 190.28 grams per mole, which is a measure of its mass in one mole of the compound.

Explanation

Although the exact physical state is not provided, most biphenyl derivatives are solids or liquids at room temperature, depending on their molecular structure and substituents.

Explanation

Biphenyl derivatives, including 1,1'-Biphenyl, 4-ethenyl-4'-methyl-, are generally soluble in organic solvents such as ethanol, acetone, and dichloromethane.

Explanation

1,1'-Biphenyl, 4-ethenyl-4'-methylis expected to be stable under normal conditions, such as room temperature and pressure, without undergoing significant decomposition or reaction.

Structure

Two benzene rings linked by a single carbon-carbon bond

Substituents

Ethenyl group at the 4th position on one benzene ring and a methyl group at the 4th position on the other benzene ring

Industrial Applications

Used in industrial processes and chemical synthesis

Research Interest

Of interest to researchers and industries involved in the development of new materials and products

Molecular Weight

Approximately 190.28 g/mol

Physical State

Likely a solid or liquid at room temperature

Solubility

Soluble in organic solvents

Stability

Stable under normal conditions

Check Digit Verification of cas no

The CAS Registry Mumber 4040-29-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,4 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4040-29:
(6*4)+(5*0)+(4*4)+(3*0)+(2*2)+(1*9)=53
53 % 10 = 3
So 4040-29-3 is a valid CAS Registry Number.

4040-29-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-methyl-4'-vinyl-1,1'-biphenyl

1.2 Other means of identification

Product number -
Other names 4-methyl-4'-vinylbiphenyl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4040-29-3 SDS

4040-29-3Downstream Products

4040-29-3Relevant academic research and scientific papers

Preperations and Reactions of Symmetrical Dimethylenebiphenyl Dianions; Conformations of -o-Cyclophanes. A Simple NMR method for Determining Twist Angles in Biphenyls

Bates, Robert B.,Camou, Fernando A.,Kane, Vinayak V.,Mishra, Prasana K.,Suvannachut, Kessara,White, James J.

, p. 311 - 317 (2007/10/02)

With n-butyllithium / potassium tert-butoxide, a proton is removed from each methyl group of the symmetrical dimethylbiphenyls to give dianions in good yield.The reactions of these dianions with alkyl halides, dialkyl sulfates, trimethylchlorosilane, trimethylchlorogermane, α,ω-dihalides, and oxidizing agents were found to provide the best routes to many symmetrically substituted biphenyls, including - and cyclophanes.NMR and molecular mechanical studies of some of these cyclophanes gave information on their preferred conformations.An NMR method for determining the angle of twist in biphenyls from the chemical shifts of the ortho hydrogens is developed.

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