1-Butoxy-2-Propanol (CAS 5131-66-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specification Comparison
| Parameter | 1-Butoxy-2-Propanol | Ethylene Glycol Butyl Ether | Propylene Glycol Methyl Ether |
|---|---|---|---|
| CAS Number | 5131-66-8 | 111-76-2 | 107-98-2 |
| Molecular Formula | C7H16O2 | C6H14O2 | C4H10O2 |
| Boiling Point (°C) | 170-172 | 171 | 120 |
| Flash Point (°C) | 62 | 60 | 31 |
| Solubility in Water | Miscible | Miscible | Miscible |
Advantages: Lower volatility vs. PGME, higher solvency power vs. EGBE, ideal for high-temperature applications.
2. Key Applications & Industrial Uses
2.1 Industrial Cleaners
Effective degreaser for machinery, metal surfaces, and electronics due to its balanced hydrophilic-lipophilic properties.
2.2 Coatings & Inks
Acts as coalescing agent in water-based paints, improving film formation and reducing VOC content by 15-20% vs. traditional solvents.
2.3 Cosmetics
FDA-approved solvent for nail polish (≤5% concentration) and hair sprays, providing controlled evaporation rates.
3. Usage Scenarios & Best Practices
3.1 Automotive Cleaning Systems
Formula: 10-15% 1-Butoxy-2-Propanol + 5% NaOH + surfactant blend. Removes carbon deposits at 60°C within 15 minutes.
3.2 Wood Coatings
Recommended 8-12% addition in polyurethane varnishes enhances brushability and reduces blistering during humid curing.
4. Real-World Client Case Studies
Case 1: European Aerospace Manufacturer
Challenge: Remove composite resin residues without damaging carbon fiber substrates.
Solution: 20% 1-Butoxy-2-Propanol-based cleaner at 50°C with ultrasonic agitation.
Result: 98% residue removal vs. 82% with acetone, zero surface erosion.
Case 2: Asian Electronics Supplier
Challenge: Flux removal from microcircuits with <0.5μm particle redeposition.
Solution: Azeotropic blend with deionized water (7:3 ratio).
Result: 99.97% cleanliness achieved, meeting ISO 14644-1 Class 5 standards.
5. Contact for Customized Solutions
Optimize your formulations with CAS 5131-66-8 technical support:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, COA, or application notes:
- Custom concentration blends (50%-99.9%)
- Bulk container options (200L drums to ISO tanks)
- Regulatory compliance documentation
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