Shanshan is able to provide low price High Purity Terephthalic Acid PTA which is an essential organic dicarboxylic acid that serves as the primary feedstock for the global polyester industry. As a high-purity Organic Industrial Raw Purified Terephthalic Acid, this 99.9% min white solid is the fundamental building block for synthesizing Polyethylene Terephthalate (PET) through its reaction with ethylene glycol. Beyond standard fiber production, our specialized Purified Terephthalic Acid PTA Powder for the production of Plastic Plasticizer demonstrates immense value in chemical modification, ensuring that downstream polymers achieve superior heat resistance and chemical stability. Shanshan provides a stable supply of this critical material, supporting large-scale manufacturing of everything from high-tenacity textile fibers to medical-grade packaging films.
| Name | PTA Purified Terephthalic Acid | CAS No. | 100-21-0 |
| Grade | for synthesis | Mol. Formula | C6H4-1,4-(CO2H)2 |
| HSN Code | 291736.00 | Purity | 99% |
| Mol. Weight | 166.13 |

● Ultra-High Purity Level
The High Purity Terephthalic Acid PTA maintains a consistent purity of over 99.9%, which significantly reduces the presence of 4-carboxybenzaldehyde (4-CBA) and other impurities, ensuring superior color stability in downstream fibers.
● Optimized Reaction Efficiency
The uniform particle size and high chemical activity of the powder allow for a precise consumption ratio during polymerization, which increases the throughput of continuous production lines and reduces raw material waste.
● Exceptional Transparency and Barrier Properties
When used in bottle-grade PET synthesis, the material provides excellent clarity and gas barrier performance, making it ideal for the long-term preservation of carbonated beverages and mineral water.
● Specialized Modification Capability
The refined structure of the PTA powder enables it to act as an efficient intermediate for high-purity plasticizers, enhancing the durability and thermal resistance of modified plastic products in extreme environments.
1. Textile and Synthetic Fiber Production: Representing 75% of industrial consumption, our PTA is used to manufacture polyester fibers that offer excellent wrinkle resistance and shape retention for apparel and home textiles.
2. Food and Beverage Grade Packaging: Our high-purity CAS 100-21-0 PTA is the preferred choice for bottle-grade PET, providing the superior barrier properties and transparency necessary for drinking water and carbonated beverage containers.
3. High-Strength Industrial Films: Used in the manufacturing of BOPET films, our material supports high-end applications in electrical insulation, high-speed packaging printing, and photo-sensitive materials.
4. Plasticizers and Chemical Modification: Acts as a high-performance intermediate for plasticizers and special chemicals, significantly improving the durability and thermal performance of modified plastic products.
The efficiency of the polyester chain relies on the precise stoichiometric reaction between High Purity Terephthalic Acid PTA and Monoethylene Glycol (MEG). In a standard industrial setup, approximately 0.855 tons of PTA are consumed to produce one ton of PET chips. Shanshan optimizes this process by providing a powder with consistent particle size and minimal 4-CBA content, which allows for faster reaction times and higher throughput in continuous polymerization units. This stability is critical for maintaining the uniform dyeing properties in textile fibers and the high-clarity standards of membrane-grade polyester.
To ensure a purity of 99.9%, PTA should be stored in a cool, dry and well-ventilated warehouse. It is essential to keep the packaging bags away from direct sunlight and humid environments. Although our packaging has excellent moisture-proof properties, maintaining a controllable humidity level in the storage area can effectively prevent the product from caking and ensure good fluidity of the powder in the automated feeding system.