PRODUCT DATA SHEET (TDS)
1. Product Identification
| Item | Details |
| Product Name | Neopentyl Glycol (NPG) |
| Chemical Formula | C₅H₁₂O₂ |
| Molecular Weight | 104.15 g/mol |
| CAS No. | 126-30-7 |
| Appearance | White flaky solid |
2. Typical Specifications (Industrial Grade, HG/T 2309-2017)
| Analysis Item | Technical Standard (Solid) | Technical Standard (90% Solution) | Typical Test Result |
| NPG Purity, % (m/m) | ≥ 99.0 | ≥ 99.0 | 99.52 |
| Moisture, % | ≤ 0.3 | 10 ± 0.5 | 0.06 |
| Chroma (50% aqueous solution, Hazen Pt-Co) | ≤ 15 | ≤ 15 | 5 |
| Acid Value, mg KOH/g | ≤ 0.1 | ≤ 0.1 | 0.047 |
| Appearance | White flaky solid | – | White flaky solid |
3. Physical & Chemical Properties
| Item | Details |
| Melting Point | ~124–130 °C |
| Boiling Point | ~210 °C |
| Solubility | Soluble in water, alcohols, ketones; slightly soluble in ethers |
| Density | ~1.06 g/cm³ (20 °C) |
| Stability | Stable under normal conditions; non-hygroscopic |
4. Applications
- Primary raw material for the production of saturated polyester resins, alkyd resins, and powder coatings
- Used in the synthesis of synthetic lubricants, plasticizers, and polyurethane elastomers
- Applied in the manufacturing of high-performance paints, varnishes, and composite materials
5. Packaging
- Packaging Type: 25 kg PP/PE woven bags with inner liner; bulk liquid form available for 90% aqueous solution
- Handling Notes: Store in a dry, well-ventilated area; avoid exposure to moisture and heat
6. Storage
- Keep in a cool, dry, and well-ventilated warehouse
- Protect from direct sunlight, heat sources, and incompatible materials (strong acids, strong bases, oxidizers)
- Shelf Life: 24 months under proper storage conditions
7. Safety & Handling
- Hazard Classification: Mild irritant to skin, eyes, and respiratory tract; non-hazardous for transport
- Recommended PPE: Safety goggles, gloves, and dust masks when handling the solid form
- Work in a well-ventilated area to avoid dust inhalation
- For complete safety instructions, refer to the product SDS (Safety Data Sheet)
8. Test Methods
- Purity: Gas Chromatography (GC)
- Moisture: Karl Fischer Titration
- Color (Chroma): Visual colorimetry (Pt-Co scale)
- Acid Value: Titration with standard alkali solution
