Propylene Glycol Butyl Ether (PNB), CAS No. 5131-66-8, is a highly effective glycol ether solvent widely used in the formulation of industrial and commercial cleaning products, paints, coatings, and inks. Produced by Symb ChemTech, a trusted name in specialty chemicals, our PNB offers excellent solvency power, low volatility, and outstanding compatibility with both aqueous and solvent-based systems.
Why Choose Symb ChemTech’s Propylene Glycol Butyl Ether?
At Symb ChemTech, quality and consistency are our priorities. Our Propylene Glycol n-Butyl Ether (PNB) meets the highest industry standards, delivering:
- ✅ High Purity – Consistent composition and performance.
- ✅ Low Odor & Low Toxicity – Safe for a wide range of consumer and industrial applications.
- ✅ Excellent Solvency – Ideal for dissolving resins, oils, dyes, and greases.
- ✅ Versatility – Fully miscible with water and organic solvents.
Technical Specifications
| Parameter | Value |
|---|---|
| Chemical Name | Propylene Glycol Butyl Ether (PNB) |
| CAS Number | 5131-66-8 |
| Molecular Formula | C7H16O2 |
| Molecular Weight | 132.20 g/mol |
| Appearance | Clear, colorless liquid |
| Boiling Point | ~171°C |
| Flash Point | ~60°C |
| Solubility | Miscible with water and solvents |
| Odor | Mild ether-like |
Applications of Propylene Glycol Butyl Ether (PNB)
PNB is a powerful, safe, and eco-friendly solvent that finds use across multiple sectors:
🧴 1. Industrial & Household Cleaners
- Surface degreasers
- Hard surface and glass cleaners
- Floor care products
🎨 2. Paints and Coatings
- Emulsion paints
- Varnishes and enamels
- Latex-based coatings for improved flow and film formation
🖋️ 3. Printing Inks
- Water-based inks for flexographic and gravure printing
🧪 4. Chemical Intermediate
- Used in the synthesis of other glycol ethers and esters
Safety and Handling
PNB is considered a safer alternative to traditional solvents, with low toxicity and minimal skin and respiratory irritation under normal use. However, it should still be handled in well-ventilated areas using appropriate PPE. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety protocols.
Packaging & Delivery
Symb ChemTech offers flexible packaging options to meet your production needs:
- 📦 Standard Drums: 200L
- 🛢️ IBC Totes: 1000L
- 🚢 Bulk Tankers: For large-scale industrial users
We support global shipping with timely delivery and comprehensive logistic support.
Why Industry Leaders Trust Symb ChemTech
✅ REACH-Compliant & ISO-Certified Production
✅ Reliable Supply Chain with Global Distribution
✅ Dedicated Technical Support and Custom Formulations
✅ Proven Track Record in Over 40 Countries
Request a Quote or Sample Today
Looking for a dependable Propylene Glycol Butyl Ether (PNB) supplier? Choose Symb ChemTech for unmatched quality, technical reliability, and global service.
📩 Contact Us Now for pricing, COA, SDS, and sample availability.
| Product Name | Propylene glycol butyl ether（PNB） |
| CAS | 5131-66-8 |
| Molecular formula | C7H16O2 |
| Appearance | Colorless and transparent liquid |
| Purity(GC)%≥ | 95.0 |
| Distillation range(℃ /760mmHg) | 165.0-175.0 |
| Moisture(KF)%≤ | 0.2 |
| Acidity (as HAC)%≤ | 0.01 |
| Specific gravity (d420) | 0.875-0.895 |
| Color(Pt-Co)≤ | 10 |
| Hazardous/common | Common |
| Package and transportation | 180KGS/Drum |