1,4-Bis(2-methylstyryl)benzene

Base Information

• Chemical Name: 1,4-Bis(2-methylstyryl)benzene
• CAS No.: 13280-61-0
• Molecular Formula: C24H22
• Molecular Weight: 310.439
• Hs Code.: 2902909090
• European Community (EC) Number: 236-285-5
• Nikkaji Number: J236.160D,J208.080J
• Wikidata: Q106892204
• Mol file: 13280-61-0.mol

Synonyms:1,4-bis(2-methylstyryl)benzene;4-bis(2-methylstyryl)benzene;bis-MSB;p-bis(o-methylstyryl)benzene

Chemical Property of 1,4-Bis(2-methylstyryl)benzene

Chemical Property:

• Appearance/Colour: yellow-green crystals
• Melting Point: 180-182 °C(lit.)
• Refractive Index: 1.9130 (estimate)
• Boiling Point: 463.1°Cat760mmHg
• Flash Point: 231.3°C
• PSA: 0.00000
• Density: 1.076g/cm³
• LogP: 6.64420
• Storage Temp.: −20°C
• Sensitive.: Light Sensitive
• XLogP3: 7.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 4
• Exact Mass: 310.172150702
• Heavy Atom Count: 24
• Complexity: 370

Purity/Quality:

98% ^*data from raw suppliers

1,4-Bis(2-methylstyryl)benzene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 22-36
• Safety Statements: 24/25-36-26

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Aromatic Hydrocarbons
• Canonical SMILES: CC1=CC=CC=C1C=CC2=CC=C(C=C2)C=CC3=CC=CC=C3C
• Isomeric SMILES: CC1=CC=CC=C1/C=C/C2=CC=C(C=C2)/C=C/C3=CC=CC=C3C
• Uses: Absolute fluorescence emission in cyclohexane (max): 420nm. Utilized as a scintillator reagent.

Technology Process of 1,4-Bis(2-methylstyryl)benzene

There total 4 articles about 1,4-Bis(2-methylstyryl)benzene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 35.0%

dimethyl 2-methylbenzylphosphonate (17105-62-3) + terephthalaldehyde, (623-27-8) → 1,4-bis[2-(2-methyl-phenyl)ethenyl]-benzene (13280-61-0)

Guidance literature:

With potassium hydroxide; In ethanol; N,N-dimethyl-formamide; at 60 ℃; for 0.5h;

Reference yield:

1-chloromethyl-2-methylbenzene (552-45-4) → 1,4-bis[2-(2-methyl-phenyl)ethenyl]-benzene (13280-61-0)

Guidance literature:

Multi-step reaction with 2 steps

1: CH₃ONa / methanol; benzene / 0.5 h / Heating

2: 35 percent / KOH / ethanol; dimethylformamide / 0.5 h / 60 °C

With potassium hydroxide; sodium methylate; In methanol; ethanol; N,N-dimethyl-formamide; benzene;

Reference yield:

1,4-bis(bromomethyl)benzene (623-24-5) + 2-methylphenyl aldehyde (529-20-4) → 1,4-bis[2-(2-methyl-phenyl)ethenyl]-benzene (13280-61-0)

Guidance literature:

1,4-bis(bromomethyl)benzene; With triphenylphosphine; at 20 ℃; for 3h; Reflux; Large scale;

2-methylphenyl aldehyde; With potassium isopropoxide; at 20 ℃; Reagent/catalyst; Large scale;

upstream raw materials:

dimethyl 2-methylbenzylphosphonate

terephthalaldehyde,

1-chloromethyl-2-methylbenzene

1,4-bis(bromomethyl)benzene

Downstream raw materials:

terephthalaldehyde,

2-methylphenyl aldehyde

Refernces

• 1、 -. "1,4-double (2-methyl styryl) benzenetrisamide preparation method". Paragraph 0021; 0022; 0023; 0024; 0025; 0026. . Retrieved 2019/02/04.