Synhipol® UV-710B: High-Efficiency Polymerization Inhibitor for Petrochemical Operations
CAS 154186-23-9 | Molecular Formula: C₁₃H₂₆NO₂
Technical Overview
Synhipol® UV-710B (4-Butoxy-2,2,6,6-tetramethylpiperidin-1-oxyl) is a nitroxide radical inhibitor engineered to suppress unwanted polymerization during petrochemical manufacturing, refining, and storage operations. Its unique radical trapping mechanism provides critical process stability for reactive monomers.
Key Specification
| Parameter | TDS Value | Verification Source |
|---|---|---|
| Appearance | Brownish red liquid | Consistent with TEMPO derivatives |
| Water Content | ≤0.5% | Standard for liquid inhibitors (ASTM E203) |
| Residue on Ignition | ≤0.15% | ASTM D482 compliant |
| Purity | ≥96% | GC-FID validated |
| Boiling Point | ≥180°C | Decomposition temp. (not distillation) |
Packaging:
- 180 kg/epoxy-coated steel drums
- 900 kg IBC totes (UN-certified)
Petrochemical Applications
1. Olefin Production Protection
Prevents autopolymerization in:
2. Acrylate/Methacrylate Protection
Critical Control Points:
- Acrylic acid reactor discharge
- MMA storage tanks
- AN transportation pipelines
3. UV-Curable System Compatibility
Integrated as secondary application
Inhibits premature polymerization in:
- UV ink production lines
- Acrylate monomer storage (pre-photocuring)
- Dosage: 100-500 ppm (adjust per resin reactivity)
Performance Advantages
- Radical Trapping Efficiency Regenerative mechanism provides 8X longer inhibition than phenolic antioxidants
- Thermal Resilience Effective up to 180°C – ideal for distillation column integration
- Compatibility No interference with Ziegler-Natta/Metallocene catalysts
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