Glycol Ether PNB
| Formula: | C₈H₁₈O₂ |
| CAS Number: | 5131-66-8 |
| EC Number (EINECS): | 226-285-3 |
| HS Code: | 29094300 |
| UN Number: | Not classified as dangerous goods |
| IUPAC Name: | 1-Butoxy-2-Propanol |
| Also Known As: | Propylene Glycol n-Butyl Ether; PnB; 1-Butoxypropan-2-ol |
| Molecular Weight, g/mol: | 146.23 |
Typical Specifications
| Appearance: | Clear, colorless liquid |
| Odor: | Mild, ether-like |
| Melting Point, °C: | -80 |
| Boiling Point, °C: | 170–172 |
| Density, g/cm³ (at 20°C): | 0.88–0.90 |
| Flash Point, °C: | 72 (closed cup) |
| Refractive Index (20°C): | 1.419–1.422 |
| Vapor Pressure (at 20°C): | 0.3 mmHg |
| Purity, %: | ≥99.0 |
| Grades Available: | Technical, Industrial |
| Packaging: | 200kg drums, 1000kg IBC, bulk ISO tanks |
Applications / Uses
Primary Applications
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Coalescing agent in water-based paints and coatings
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Solvent in inks, dyes, and cleaning products
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Intermediate for chemical formulations
Secondary Applications
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Used in adhesives, sealants, and resins
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Solvent in textile and leather processing
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Industrial and household cleaners
End Industries Served: Paints & Coatings, Inks, Textiles, Adhesives, Leather, Cleaning Chemicals
Safety & Handling Information
Hazard Class (GHS): Flammable liquid (Category 4), Eye Irritation (Category 2A), Specific Target Organ Toxicity – Single Exposure (Category 3)
Hazard Statements (H-Codes):
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H227: Combustible liquid
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P210: Keep away from heat, sparks, open flames
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P280: Wear protective gloves/eye protection
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water for several minutes, remove contact lenses if present
Storage Conditions
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Store in a cool, well-ventilated place
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Keep container tightly closed
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Protect from sources of ignition
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods