Table of Contents
- 1. Product Overview
- 2. Key Parameters & Comparative Analysis
- 3. Industrial Applications
- 4. Usage Guidelines
- 5. Case Studies
- 6. Request Quotation
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
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