What is para-xylene (PX CAS:106-42-3)?
Para-xylene (PX) is an organic compound with the chemical name Paraxylene (PX for short) and the chemical formula C₈H₁₀, belonging to the class of aromatic hydrocarbons. It is one of the three isomers of xylene, the other two being o-xylene and m-xylene. It is a colorless, transparent liquid at room temperature, and turns into colorless flaky or prismatic crystals at lower temperatures, and smells aromatic.
What is para-xylene (PX CAS:106-42-3) used for?
Para-xylene (PX) is an important organic chemical material, mainly used in the production of polyester fibers, resins, paints, dyes and pesticides, as well as chromatographic analysis of the standard substances and solvents.
Para-xylene (PX) Uses
- Polyester Material Production: Para-xylene (PX) is used as a core raw material for the production of polyester resins through the production of purified terephthalic acid (PTA), which is used in polyester fibers, polyester bottle chips, films and hollow containers.
- Industrial solvents: Used in rubber, paints, aviation fuel additives and organic synthesis reactions.
- Analytical chemistry: used as standard substances and cleaning agents for gas chromatography and other precision instruments.
- Other chemicals: Para-xylene (PX) is involved in the production of dyes, pesticides, pharmaceuticals, fragrances and inks.
Paraxylene (PX CAS:106-42-3) specifications
| Item | Specification |
|---|---|
| Product Name | P-Xylene |
| Chemical Name | 1,4-Dimethylbenzene |
| CAS Number | 106-42-3 |
| Molecular Formula | C₈H₁₀ |
| Molecular Weight | 106.17 g/mol |
| Purity | ≥ 99% |
| Appearance | Clear, colorless liquid |
| Density (20°C) | ~0.86 g/cm³ |
| Boiling Point | ~138 °C |
| Melting Point | ~13.3 °C |
| Solubility | Insoluble in water; miscible with organic solvents |
para xylylene (PX CAS:106-42-3) 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 p-xylene (1,4-Dimethylbenzene CAS 106-42-3 )?
For companies looking to source p-xylene(PX) , Gneebio offers a reliable supply backed by over a decade of experience in chemical manufacturing and export. With strict quality control, competitive pricing, and flexible packaging options.
Our strict quality control and comprehensive certifications - including ISO9001, ISO14001, GMP, USP, and EP - ensure that every batch meets international standards.
Related Chemical Products from Gneebio
Bulk Industrial buyers often purchase p-xylene (CAS 106-42-3) together with other solvents and intermediates.
Here are the most popular products:
| Product Name | CAS |
|---|---|
| para xylene | 106-42-3 |
| 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 |
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