PRODUCT DATA SHEET (TDS)
1. Product Identification
| Item | Details |
| Product Name | Purified Terephthalic Acid (PTA) |
| Chemical Formula | C₈H₆O₄ |
| Molecular Weight | 166.13 g/mol |
| CAS No. | 100-21-0 |
| Appearance | White crystalline powder |
2. Typical Specifications
| Item | Standard |
| Acid Value | 675 ± 2 mgKOH/g |
| 4-CBA | ≤ 25 wt ppm |
| p-Toluic Acid | ≤ 150 wt ppm |
| Iron (Fe) | ≤ 1 wt ppm |
| Total Heavy Metals | ≤ 3 wt ppm |
| Ash Content | ≤ 6 wt ppm |
| Moisture | ≤ 0.2 wt% |
| b-Value | ≤ 1.5 |
| Delta Y (Whiteness) | ≤ 10 |
3. Physical & Chemical Properties
| Item | Details |
| Melting Point | ~427 °C (decomposes) |
| Solubility | Slightly soluble in water, soluble in DMSO, DMF |
| Density | ~1.51 g/cm³ |
| Stability | Stable under normal conditions; hygroscopic |
4. Applications
- Production of PET resin, polyester fiber, bottle chips, film
- Raw material for coatings, plastics, and chemical intermediates
5. Packaging
- Packaging Type: 25 kg or 1000kg PP/PE bags, or bulk truck/rail
- Handling: Keep dry, avoid dust inhalation
6. Storage
- Store in dry, cool, ventilated area
- Protect from moisture, heat, and incompatible materials
- Shelf Life: 24 months under proper storage
7. Safety & Handling
- Hazard Class: Non-hazardous for transport; irritant
- Avoid contact with skin, eyes, and inhalation
- Use in well-ventilated areas
- For full details, refer to SDS (Safety Data Sheet)
8. Test Methods
- SH/T 1612 series, SH/T 1687, GB/T 7531, HLPC-LM-415
