**Product Name: 1,1'-trans-Cyclohexane-1,4-diyldiurea**
**CAS No.: 68533-01-7**
**Molecular Formula: C₈H₁₆N₄O₂**
**Molecular Weight: 200.24 g/mol**
**Purity: ≥98% (HPLC), customizable**
**Appearance: White to off-white crystalline powder**
**Product Overview**
1,1'-trans-Cyclohexane-1,4-diyldiurea is a specialized high-performance intermediate featuring a rigid trans-cyclohexane backbone symmetrically substituted with dual urea functional groups at the 1,4-positions. This unique molecular architecture combines exceptional thermal stability from the alicyclic structure with the strong hydrogen-bonding capability of urea moieties, creating a versatile building block for advanced polymer synthesis. The trans-configuration ensures optimal molecular geometry and spatial orientation, making it particularly valuable for developing high-performance materials requiring precise structural control and superior mechanical properties. Its excellent solubility in polar aprotic solvents and compatibility with various polymerization techniques position it as a critical component in next-generation material development.
**Main Applications**
**Polyimide Engineering Plastics**
Essential intermediate for synthesizing high-temperature polyimide resins with enhanced thermal stability and mechanical performance. The trans-cyclohexane structure improves polymer chain mobility while maintaining rigidity, resulting in polyimides with exceptional glass transition temperatures, low coefficient of thermal expansion, and superior dimensional stability for aerospace and electronics applications.
**Advanced Composite Materials**
Key component in developing high-performance composite matrices for carbon fiber and glass fiber reinforcement systems. The dual urea groups facilitate strong interfacial bonding with reinforcing fibers through hydrogen bonding interactions, significantly enhancing composite strength, toughness, and fatigue resistance for automotive and sporting goods applications.
**Electronic Packaging & Insulation**
Valuable monomer for producing dielectric materials with low dielectric constant and high insulation resistance. The alicyclic structure reduces moisture absorption while maintaining excellent electrical properties, making it ideal for semiconductor encapsulation, flexible printed circuits, and high-frequency electronic components requiring thermal stability up to 300°C.
**Specialty Adhesives & Coatings**
Critical raw material for formulating high-temperature structural adhesives and protective coatings. The urea functional groups enable strong adhesion to various substrates while the cyclohexane backbone provides flexibility and impact resistance, suitable for extreme environment applications in oil & gas, aerospace, and industrial machinery.
**Pharmaceutical Intermediates**
Emerging applications as a chiral building block in pharmaceutical synthesis. The well-defined stereochemistry and functional group versatility make it suitable for developing novel drug candidates targeting central nervous system disorders and metabolic diseases, where precise molecular geometry is critical for biological activity.
**Supramolecular Chemistry & Self-Assembly**
Research applications in designing hydrogen-bonded supramolecular structures and self-assembling materials. The symmetric urea groups serve as excellent hydrogen bond donors/acceptors for creating controlled nanostructures, molecular recognition systems, and stimuli-responsive materials for sensor and biomedical applications.
**Product Features**
- **High Purity Standard**: ≥98% HPLC purity with strict control of residual solvents and trace impurities
- **Exceptional Thermal Stability**: Decomposition temperature >280°C, suitable for high-temperature processing
- **Precise Stereochemistry**: Exclusive trans-configuration ensures consistent performance in polymer synthesis
- **Excellent Solubility Profile**: Soluble in DMF, DMSO, NMP, and other polar aprotic solvents for versatile processing
- **Strong Hydrogen Bonding Capacity**: Dual urea groups enable robust intermolecular interactions for enhanced material properties
- **Batch-to-Batch Consistency**: Rigorous quality control with comprehensive analytical documentation (HPLC, NMR, MS, DSC)
- **Low Moisture Content**: <0.3% moisture content ensuring optimal reactivity in moisture-sensitive reactions
**Packaging & Storage**
**Packaging Options**: 1 kg, 5 kg, 10 kg, 25 kg HDPE drums with double-layer sealing; custom bulk packaging available
**Storage Conditions**: Store at 2-8°C in airtight containers under inert atmosphere (nitrogen), protected from light and moisture
**Shelf Life**: 24 months when stored under recommended conditions
**Transport**: Temperature-controlled shipping with moisture barrier packaging; compliant with IATA/IMDG regulations
**Why Choose Us**
- **Specialized Manufacturing**: Advanced synthesis technology with proprietary crystallization processes ensuring superior purity and crystal morphology
- **Comprehensive Analytical Capabilities**: In-house laboratory with HPLC, GC-MS, NMR, FTIR, DSC, and TGA for complete product characterization
- **Application Development Support**: Dedicated technical team with expertise in polymer chemistry providing formulation guidance and process optimization
- **GMP Compliance**: Manufacturing facilities operating under Good Manufacturing Practices with full traceability and documentation systems
- **Scalable Production**: Flexible capacity from research quantities (grams) to industrial-scale (tonnage) with consistent quality parameters
- **Global Supply Chain**: Established logistics network with customs clearance expertise serving customers worldwide with reliable delivery schedules
- **Custom Synthesis Services**: Ability to modify molecular structure or develop derivative compounds based on specific customer requirements
*Note: This product is intended for industrial and research use only. All specifications subject to change without notice. Contact us for customized purity requirements, special packaging requests, or bulk pricing inquiries. Certificate of Analysis and Safety Data Sheet available upon request.*
Germany