99.9% Purity P- Xylene/Paraxylene (PX) CAS 106-42-3 Industrial Grade Colorless Liquid
Specification: 99.9% Min. (by GC), Water 100 ppm Max., Color 10 Max. (Pt-Co)
App.: Main precursor for PTA & PET manufacturing
Pkg & Shipping: ISO Tank or Bulk Vessel, UN 1307 Class 3 DG
COA/SDS available
Tianjin Gnee Biotech Co., Ltd. is one of the leading manufacturers and suppliers of 99.9% purity p- xylene/paraxylene (px) cas 106-42-3 industrial grade colorless liquid in China. Welcome to buy cheap chemical products for sale here from our factory. For price consultation, contact us.
P- Xylene (PX) is a colorless, transparent liquid with an aromatic odor and the molecular formula C8H10. Its main physical properties include a boiling point of 138.4℃, a melting point of 13.3℃, and a density of 0.861 g/cm³.
Paraxylene Properties
PX has low viscosity and high volatility. It is practically insoluble in water but readily miscible with most organic solvents. Chemically, PX is an aromatic hydrocarbon with relatively stable chemical properties under normal conditions. However, under specific reaction conditions, it can undergo reactions such as nitration, halogenation, and sulfonation.

|
Product Name |
P-Xylene |
Vapor pressure |
7.943mmHg at 25°C |
|
CAS NO |
106-42-3 |
Density |
0.857g/cm3 |
|
MF |
C8H10 |
Flash(ing) point |
25℃ |
|
MW |
106.165 |
Melting point |
13.3℃ |
|
Appearance |
Colorless liquid |
Boiling point |
138.4°C |
|
Term |
Standard |
Measured value |
|
Purity % |
95%; 99%; 99.5% |
99.7 |
|
Color (Hazen) |
20 |
10 |
|
Density,kg/m3 |
860-870 |
865 |
|
Distillation range: |
5Max |
4.0137.9 |
|
boiling point |
137-143 |
141.3 |
|
Total sulfur content (mg/kg): |
≤3 |
1 |
|
Evaporation residue (mg/100ml): |
≤5 |
1.1 |
|
Steel test |
Non-corrosive |
|
|
Doctor Test |
Pass |
|
P- Xylene/Paraxylene (PX) Uses
- PTA & PET Production (Primary Use): The vital precursor for manufacturing Purified Terephthalic Acid (PTA), which is further processed into Polyethylene Terephthalate (PET) for plastic bottles, synthetic polyester fibers (textiles), and packaging films.
- Polyurethane Intermediates: Used in the synthesis of p-xylene diisocyanate (PXDI), a key component for high-performance specialty coatings, elastomers, and advanced adhesives.
- Industrial Solvents: Utilized in specialized chemical synthesis, agricultural formulations, and pharmaceutical intermediates requiring high-purity aromatic inputs.

Packaging & Safety
⚠️ Class 3 Flammable Liquid: Handled strictly under international safety protocols.
- UN Number: UN 1307 (Xylenes)
- Hazard Class: 3 (Flammable Liquid)
- Standard Packaging: Available in 200L Iron Drums, ISO Tanks, or Bulk Vessel shipping depending on order volume.
- Certification: ISO 9001:2015 Certified, Full SDS (Safety Data Sheet) and COA available upon request.

Why Choose Our Paraxylene?
- Strict Quality Control: Every batch undergoes gas chromatography (GC) testing to ensure consistent ≥99% purity.
- Stable Supply Chain: Large-scale production capacity ensuring reliable year-round supply for continuous industrial operations.
- Global Logistics Expertise: Experienced in handling dangerous goods (DG) compliance for seamless customs clearance worldwide.
Company Profile
TIANJIN GNEE BIOTECH CO., LTD. is a modern chemical enterprise integrating R&D, production, and supply.
Established in 2021, we specialize in manufacturing a wide range of chemical products, including organic intermediates, daily chemical materials, chemical reagents, inorganic chemicals, and pharmaceutical intermediates, with sufficient inventory to ensure a stable supply.


FAQ
Q1: Are you a manufacturer or a trading company?
A: We are an integrated manufacturing and trading company. Whether we produce or trade, we always provide you with high-quality products and competitive prices.
Q2: Can I get a sample before placing an order?
A: Yes, we are happy to provide you with samples. We offer free samples (maximum 1 kg), but the shipping cost is borne by the customer.
Q3: How and when can I receive the goods after payment?
A: For small batches, we will ship via international express (DHL, FedEx, wire transfer, EMS, etc.) or air freight. Usually, you can receive the goods 2-5 days after shipment.
For large batches, sea freight is more suitable. It may take several days to several weeks to reach the destination port, depending on the port's location.
Q4: Can I use my specified labels or packaging?
A: Of course. We will use labels or packaging according to your requirements if needed.
Q5: How do you guarantee the quality of the products you provide?
A: We always adhere to the business philosophy of integrity and responsibility, therefore all the products we provide are of superior quality. If the product fails to meet our promised quality standards, you can apply for a refund.
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