2,5-Dichloroterephthalaldehyde

Base Information

• Chemical Name: 2,5-Dichloroterephthalaldehyde
• CAS No.: 46052-84-0
• Molecular Formula: C8H4Cl2O2
• Molecular Weight: 203.025
• Hs Code.: 2913000090
• Mol file: 46052-84-0.mol

Synonyms:1,4-Benzenedicarboxaldehyde,2,5-dichloro;2,5-dichloroterephthalic dicarboxaldehyde;2,5-dichloro-terephthalaldehyde;2,4-DIFLUORO-3-METHOXYBENZYLAMINE;2,5-dichlorobenzene-2,5-dicarbaldehyde;2,5-Dichlor-terephthalaldehyd;2,5-Dichloro-benzene-1,4-dicarbaldehyde;

Chemical Property of 2,5-Dichloroterephthalaldehyde

Chemical Property:

• Vapor Pressure: 0.000483mmHg at 25°C
• Melting Point: 157 °C
• Boiling Point: 313.9oC at 760 mmHg
• Flash Point: 131.9oC
• PSA: 34.14000
• Density: 1.485g/cm3
• LogP: 2.61840

Purity/Quality:

97% ^*data from raw suppliers

2,5-DICHLOROTEREPHTHALALDEHYDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-Dichloroterephthalaldehyde

There total 8 articles about 2,5-Dichloroterephthalaldehyde 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: 40.0%

1,4-dichloro-2,5-bis(dibromomethyl)benzene (681464-04-0) → 2,5-dichloroterephthalic dicarboxaldehyde (46052-84-0)

Guidance literature:

With water; silver nitrate; In acetone; at 65 ℃; for 2h;

Reference yield: 30.0%

1,4-dichloro-2,5-dimethylbenzene (1124-05-6) → 2,5-dichloroterephthalic dicarboxaldehyde (46052-84-0)

Guidance literature:

With chromium(VI) oxide; sulfuric acid; acetic anhydride; acetic acid; at 20 ℃; for 6h;

Reference yield:

1,4-dichloro-2,5-bis-dichloromethyl-benzene (41999-84-2) → 2,5-dichloroterephthalic dicarboxaldehyde (46052-84-0)

Guidance literature:

With sulfuric acid; at 125 - 130 ℃; unter vermindertem Druck;

DOI:10.1002/hlca.19440270132

upstream raw materials:

1,4-dichloro-2,5-bis-dichloromethyl-benzene

1,4-dichloro-2,5-bis(dibromomethyl)benzene

sulfuric acid

1,4-dichloro-2,5-dimethylbenzene

Downstream raw materials:

2,5-bis-(toluene-4-sulfonylamino)-terephthalaldehyde

N,N'-bis<2-(dimethoxy)ethyl>-1,4-dichlorobenzene-1,4-bis(methanimine)

1,4-(CN(H)CH₂CH₂NMe₂)2-2,5-Cl₂C₆H₂

Benzyl-[1-{4-[(E)-benzylimino-methyl]-2,5-dichloro-phenyl}-meth-(E)-ylidene]-amine