Para-xylene (PX) Chemical Uses in PTA, PET, and Polyester
Para-xylene (PX) chemical is an organic compound refined from crude oil, naphtha, or mixed xylenes. PX is not only an important aromatic hydrocarbon product, but also appears as a colorless, transparent liquid at room temperature with an aromatic odor.
- Uses of Para-xylene (PX) chemical: Para-xylene (PX) has wide applications in the energy and chemical industries. It is commonly used as a key raw material in the preparation of terephthalic acid (PTA) and dimethyl terephthalate (DMT), which are then converted into polyethylene terephthalate (PET). Therefore, paraxylene plays an indispensable role in many fields, including polyester fibers, plastic containers, and films.
- Textiles, Packaging, and Building Materials: Paraxylene (PX) is an important raw material for polyester fibers and resins, and is widely used in these fields.
- Decorative and Furniture Manufacturing: Paraxylene (PX) is also used in the production of coatings and dyes, providing key materials for decorative and furniture manufacturing.
- Agriculture and Horticulture: The application of PX in the pesticide field helps control pests and diseases, promoting the healthy development of agriculture and horticulture.
- Organic Synthesis: As an important raw material for organic synthesis, PX can be further converted into various organic compounds such as alcohols, aldehydes, and ketones.
Para-xylene (PX) MSDS
| MSDS Section | Key Information |
|---|---|
| Product Name | Para-Xylene (P-Xylene) |
| Synonyms | 1,4-Dimethylbenzene |
| CAS Number | 106-42-3 |
| Molecular Formula | C₈H₁₀ |
| Molecular Weight | 106.17 g/mol |
| Chemical Type | Aromatic Hydrocarbon |
| GHS Classification | Flammable Liquid, Category 3 |
| Signal Word | Warning |
| Hazard Statements | Flammable liquid and vapor; harmful if inhaled |
| Health Effects | May cause eye, skin, and respiratory irritation; dizziness at high concentrations |
| Environmental Impact | Harmful to aquatic life with long-lasting effects |
| Main Component | Para-Xylene ≥ 99% |
| First Aid – Inhalation | Move to fresh air; seek medical attention if symptoms persist |
| First Aid – Skin | Wash with soap and water |
| First Aid – Eyes | Rinse with water for several minutes |
| Fire-Fighting Media | Foam, dry chemical, CO₂ |
| Flash Point | Approx. 25 °C |
| Handling | Use with adequate ventilation; avoid ignition sources |
| Storage | Cool, dry, well-ventilated area; keep container tightly closed |
| Incompatible Materials | Strong oxidizing agents |
| Appearance | Colorless transparent liquid |
| Odor | Aromatic |
| Density | 0.861 g/cm³ (20 °C) |
| Boiling Point | 138.3 °C |
| Melting Point | 13.3 °C |
| Solubility | Insoluble in water; soluble in organic solvents |
| UN Number | UN 1307 |
| Transport Class | Class 3 (Flammable Liquids) |
| Packing Group | III |
| MSDS Availability | Available (PDF) |
| COA Availability | Provided per batch |
| Manufacturer | Gneebio (Multiple cooperative factories) |
Why Choose Gneebio for Para-xylene (PX, CAS 106-42-3) Supply?
Gneebio is a professional manufacturer and distributor of high-purity Para-xylene (PX, CAS 106-42-3), offering factory-direct supply and large-volume delivery.
Advantages for Industrial Buyers
- Bulk Production & Stable Supply: Reliable monthly capacity to avoid production delays
- Strict Quality Control: COA, MSDS, TDS, and optional third-party testing
- Flexible Packaging Options: 200L drums, 1000L IBC, ISO tanks
- Global Export Experience: Efficient shipping and compliance with international chemical regulations
Related Chemical Products from Gneebio
Bulk Industrial buyers often purchase Para-xylene (PX, CAS 106-42-3) together with other solvents and intermediates.
Here are the most popular products:
| Product Name | CAS |
|---|---|
| Cyclohexanone (CYC) | 108-94-1 |
| Methyl Methacrylate (MMA) | 80-62-6 |
| 2-Methoxyethanol | 109-86-4 |
| Propionic Acid | 79-09-4 |
| Ethylene Glycol (Meg) | 107-21-1 |
| N, N-Dimethylacetamide (DMAC) | 127-19-5 |





