1,4-cyclohexanedimethanol cas 105-08-8

Chemical Name:1,4-Cyclohexanedimethanol
CAS No.:105-08-8
Molecular Formula: C8H16O2
Molecular Weight:144.21
Appearance:White waxy solid
Boiling point : 283°C(lit.)

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Table of Contents

1,4-Cyclohexanedimethanol (CAS 105-08-8): Product Overview

Chemical Profile

1,4-Cyclohexanedimethanol (CHDM) is a high-purity diol extensively used in polymer production. This cycloaliphatic compound exists in cis and trans isomeric forms, with typical commercial purity ≥99.5%.

Technical Specifications

Parameter Specification
CAS Number 105-08-8
Molecular Formula C8H16O2
Appearance White crystalline flakes
Melting Point 43-48°C
Flash Point 175°C (closed cup)

2. Technical Parameters & Market Comparison

Vendor Purity Isomer Ratio Packaging Storage
Supplier A ≥99.7% 60:40 cis:trans 25kg PE bags 2-8°C
Supplier B ≥99.5% 55:45 cis:trans 500kg drums Ambient

3. Industrial Applications

Polymer Production

Primary use in manufacturing:
– PETG copolyesters (improved clarity vs standard PET)
– PCTG resins for medical devices
– Specialty polycarbonates

Coating Systems

Enhances performance in:
– UV-curable coatings
– Powder coatings
– Marine anti-corrosive systems

4. Operational Guidelines

Handling Protocols

Recommended procedures:
1. Store in nitrogen atmosphere
2. Maintain RH <40%
3. Use stainless steel equipment

Reaction Parameters

Process Temperature Catalyst
Esterification 240-260°C Ti(OBu)4
Polycondensation 280-300°C Sb2O3

5. Implementation Case Studies

Case 1: Automotive Coatings

Client: European OEM supplier
Challenge: Improve scratch resistance in clearcoats
Solution: 15% CHDM-modified polyol
Result: 40% improvement in pencil hardness

Case 2: Medical Packaging

Client: Asian film producer
Challenge: Achieve FDA-compliant clarity
Solution: CHDM-based PETG formulation
Result: 92% light transmission with autoclave stability

6. Quotation & Technical Support

Contact Our Experts

For pricing, samples, or formulation assistance:
Email: info@vivalr.com
Phone: (86) 15866781826

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