Terephthalaldehyde CAS 623-27-8

Chemical Name: Terephthalaldehyde
CAS No.: 623-27-8
Molecular Fomula: C8H6O2
Molecular weight: 134.13
Appearance: White or off-white crystalline powder
Assay: 99%min

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Table of Contents

Terephthalaldehyde (CAS 623-27-8) Technical Specifications

Basic Chemical Properties

Parameter Specification
Chemical Name Terephthalaldehyde
CAS Number 623-27-8
Molecular Formula C8H6O2
Molecular Weight 134.13 g/mol
Appearance White to pale yellow crystalline powder
Melting Point 115-118°C
Boiling Point 245-247°C
Solubility Soluble in ethanol, ether; slightly soluble in water

Comparative Analysis with Similar Compounds

Feature Terephthalaldehyde Isophthalaldehyde Phthalaldehyde
CAS Number 623-27-8 626-55-1 643-79-8
Reactivity High para-position activity Moderate meta-position activity Ortho-position limited reactivity
Polymerization Use Preferred for linear polymers Branching applications Limited thermal stability

Industrial Applications of Terephthalaldehyde

Polymer Industry Applications

• Key component in heat-resistant polyester resins
• Crosslinking agent for epoxy resin systems
• Monomer for specialty polybenzimidazole fibers

Pharmaceutical Intermediate Uses

• Synthesis of antituberculosis agents
• Building block for antihypertensive drugs
• Precursor in anticancer drug development

Advanced Material Synthesis

• Metal-Organic Framework (MOF) construction
• Liquid crystal polymer alignment layers
• Conductive polymer matrices

Terephthalaldehyde Application Scenarios

Case 1: High-Performance Polymer Production

Technical Parameters:
– Reaction temperature: 140-160°C
– Catalyst: Zinc acetate (0.5-1.2% wt)
– Yield improvement: 22% vs traditional monomers

Case 2: Pharmaceutical Intermediate Synthesis

Process Optimization:
– Reduced reaction steps from 5 to 3
– Purity increased to 99.8%
– Byproduct reduction by 40%

Verified Client Implementations

Client A: European Polymer Manufacturer

Implementation Results:
• Achieved 18% higher thermal stability in final products
• Reduced production costs by €120/ton
• Successful REACH compliance certification

Client B: Asian Pharmaceutical Company

Performance Metrics:
• API yield increased from 78% to 92%
• Reduced catalyst consumption by 35%
• Accelerated production cycle by 2.5 days

Technical Support & Order Consultation

Contact our chemical experts for:
• Custom synthesis specifications
• Bulk pricing (100kg+ quantities)
• SDS documentation and regulatory support

Email: info@vivalr.com
Phone: (86) 15866781826
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