2,5,8-Trimethyl-4H-1-benzopyran-4-one

Base Information

• Chemical Name: 2,5,8-Trimethyl-4H-1-benzopyran-4-one
• CAS No.: 60595-60-0
• Molecular Formula: C12H12O2
• Molecular Weight: 188.22
• Hs Code.: 2914190090
• Mol file: 60595-60-0.mol

Synonyms:Cromodil;2,5,8-trimethyl-chromen-4-one;2,5,8-Trimethyl-4H-1-benzopyran-4-one;4H-1-BENZOPYRAN-4-ONE,2,5,8-TRIMETHYL;2,5,8-Trimethylchromone;

Chemical Property of 2,5,8-Trimethyl-4H-1-benzopyran-4-one

Chemical Property:

• Vapor Pressure: 0.000561mmHg at 25°C
• Melting Point: 81 °C
• Boiling Point: 311.5°C at 760 mmHg
• Flash Point: 141.1°C
• PSA: 30.21000
• Density: 1.122g/cm³
• LogP: 2.71820

Purity/Quality:

99% ^*data from raw suppliers

2,5,8-TRIMETHYL-4H-1-BENZOPYRAN-4-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5,8-Trimethyl-4H-1-benzopyran-4-one

There total 1 articles about 2,5,8-Trimethyl-4H-1-benzopyran-4-one 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:

2,5-Dimethylphenol (95-87-4) + ethyl acetoacetate (141-97-9) → 2,5,8-trimethyl-chromen-4-one (60595-60-0)

Guidance literature:

With phosphorus pentoxide;

DOI:10.1039/jr9360000426 DOI:10.1002/hlca.19510340241

Reference yield:

2,5,8-trimethyl-chromen-4-one (60595-60-0) + 4-methoxy-benzaldehyde (123-11-5) → 2-(4-methoxy-trans-styryl)-5,8-dimethyl-chromen-4-one

Guidance literature:

With ethanol; sodium ethanolate;

DOI:10.1002/hlca.19510340241

upstream raw materials:

2,5-Dimethylphenol

ethyl acetoacetate