PRODUCT DATA SHEET (TDS)
1. Product Identification
| Item | Details |
| Product Name | Hexahydrophthalic Anhydride (HHPA) |
| Chemical Formula | C₈H₁₀O₃ |
| Molecular Weight | 154.16 g/mol |
| CAS No. | 85-42-7 |
| Appearance | White solid |
2. Typical Specifications (Company Standard Q/PHD002-2021)
| Analysis Item | Unit | Specification | Typical Test Result |
| Appearance | – | White Solid | White Solid |
| Color (Pt-Co, Hazen) | – | ≤ 50 | 15 |
| Content (Purity) | % | ≥ 99.0 | 99.6 |
| Freezing Point | °C | 34.0 – 38.0 | 36.6 |
| Iodine Value | Ig/100g | ≤ 1.0 | 0.28 |
| Free Acid | % | ≤ 1.0 | 0.16 |
3. Physical & Chemical Properties
| Item | Details |
| Appearance | White solid |
| Melting/Freezing Point | 34.0 – 38.0 °C |
| Boiling Point | ~283 °C (at 101.3 kPa) |
| Solubility | Reacts with water; soluble in organic solvents like ethanol, acetone, and benzene |
| Stability | Stable under normal conditions; avoid contact with strong oxidizers, strong bases, and moisture |
4. Applications
- Primary curing agent for epoxy resins, widely used in electronic encapsulation, casting, and composite materials
- Intermediate for alkyd resins, polyester resins, and plasticizers
- Key component in the production of coatings, adhesives, and high-temperature resistant materials
- Used in the synthesis of pharmaceuticals, pesticides, and fine chemicals
5. Packaging
- Packaging Type: 220 kg drums
- Handling Notes: Keep containers tightly closed; store in a cool, dry, well-ventilated area away from moisture and incompatible materials.
6. Storage
- Store in a cool, dry, and well-ventilated warehouse.
- Protect from direct sunlight, heat, moisture, and incompatible materials (strong oxidizers, strong bases).
- Shelf Life: 12 months under proper storage conditions.
7. Safety & Handling
- Hazard Classification: Corrosive and irritating to skin, eyes, and respiratory tract; may cause burns and allergic reactions.
- Recommended PPE: Safety goggles, chemical-resistant gloves, and protective clothing when handling.
- Use in well-ventilated areas; avoid inhalation of dust and contact with skin/eyes.
- For complete safety instructions, refer to the product SDS (Safety Data Sheet).
