Shandong Aolansu Environmental Protection Technology Co., Ltd.
Shandong Aolansu Environmental Protection Technology Co., Ltd.
Products
Xylene Isomers
  • Xylene IsomersXylene Isomers
  • Xylene IsomersXylene Isomers

Xylene Isomers

Shandong Aolansu Environmental Protection Technology Co., Ltd. is a well-known manufacturer specializing in aromatic chemical products. Relying on its modern local factory, it directly supplies high-purity Xylene Isomers, including three main categories: ortho-xylene, m-xylene, and para-xylene. All products achieve a purity of over 99.5%, produced using advanced C8 aromatic hydrocarbon separation technology and a stringent quality control system. They are chemically stable, possess excellent solubility, and maintain consistent batch quality. As a trustworthy supplier, we are based in the Chinese market and supply customers worldwide in the fields of organic synthesis, coatings, pharmaceuticals, and polyester production. We offer flexible packaging solutions, highly competitive factory-direct prices, and fast global logistics.

Xylene Isomers are three structural isomers of xylene (C₈H₁₀): ortho-xylene, m-xylene, and para-xylene. Unlike mixed xylenes, this product separates and purifies each of the three isomers individually, each possessing unique physicochemical properties, allowing for precise adaptation to different industrial applications.


Our factory employs a closed-loop C8 aromatic hydrocarbon separation process, ensuring all xylene isomers have a purity ≥99.5%, with extremely low impurity and moisture content. The entire production process adheres to international industrial standards, minimizing environmental impact while guaranteeing consistent product quality for each batch, preventing quality fluctuations from affecting customer production efficiency.

Main Physicochemical Parameters Table

Isomer

CAS No.

Boiling Point

Density (20°C)

Core Traits

Ortho-xylene

95-47-6

144.4℃

0.880–0.885 g/cm³

Strong solvency, stable storage

Meta-xylene

108-38-3

139.1℃

0.868–0.872 g/cm³

Moderate volatility, high dissolving power

Para-xylene

106-42-3

138.4℃

0.861–0.865 g/cm³

Low moisture, high purity for polyester

Xylene isomers are colorless, transparent liquids with a slight aromatic odor; insoluble in water, but completely miscible with alcohols, esters, ketones, benzenes, and other hydrocarbons. Under normal storage conditions (cool, ventilated, and dry warehouse, away from open flames and heat sources), they do not easily decompose and are non-corrosive to common metals such as carbon steel, stainless steel, and aluminum, making them safe and reliable for industrial use.

Core Advantages

1. High Purity and Precise Standard Control

Utilizing advanced separation technology, single-component purity is ≥99.5%, with strict control over moisture and trace impurities, eliminating cross-interference between isomers, and meeting the high-precision production needs of pharmaceutical synthesis, high-end polyesters, and other industries.


2. Ample Inventory and Flexible Orders

The factory maintains a year-round stock of three isomers, supporting small-batch sample orders starting from one drum, and also accepting long-term large-scale orders. Bulk orders enjoy factory-direct pricing, helping customers reduce procurement costs and increase production profits.


3. Strong Compatibility and Wide Applications

Excellent solubility and chemical stability make it widely applicable in organic synthesis, coatings and inks, industrial cleaning, pharmaceutical manufacturing, and other industries. Each of the three isomers has its own specific function, precisely matching different production processes.

Product Specifications 

Parameter

Specification

Product Name

Xylene Isomers (o-Xylene, m-Xylene, p-Xylene)

CAS No.

o-Xylene: 95-47-6; m-Xylene: 108-38-3; p-Xylene: 106-42-3

Purity

≥99.5% for each isomer

Appearance

Colorless clear liquid, no visible impurities

Density (20℃)

o-Xylene: 0.880-0.885 g/cm³; m-Xylene: 0.868-0.872 g/cm³; p-Xylene: 0.861-0.865 g/cm³

Boiling Point

o-Xylene: 144.4℃; m-Xylene: 139.1℃; p-Xylene: 138.4℃

Flash Point

o-Xylene: 30℃ (closed cup); m-Xylene: 25℃ (closed cup); p-Xylene: 27℃ (closed cup)

Moisture

≤0.03%

Package

170kg galvanized iron drum, 1000kg IBC tank

UN No.

1307 (for all isomers)

Solubility

Immiscible with water, miscible with alcohols, esters, ketones

Structure

Xylene IsomersXylene Isomers

Application Areas and Real-World Case Studies for Each Product Category

1. o-Xylene

Main Uses: Core raw material for the production of phthalic anhydride, further used in plasticizers, dyes, resins, and coatings.


Application Case: A European coating manufacturer purchased o-xylene from our factory for phthalic anhydride synthesis, achieving a reaction yield of 99.2%, 0.5% higher than ordinary mixed xylene raw materials. High-purity raw materials effectively reduce by-product generation, reducing production waste by 12%, while significantly improving the weather resistance and durability of the final coatings.


2. m-Xylene

Main Uses: Used in the preparation of isophthalic acid, an important intermediate in polyester resins, coatings, and synthetic fibers; also used as an ink solvent, industrial cleaning agent, and raw material for pharmaceutical synthesis.


Application Case: A Southeast Asian ink manufacturer selected our m-xylene as a solvent for high-gloss printing inks. Its moderate volatility ensures uniform ink drying, prevents surface cracking, significantly improves printing clarity, and reduces the production defect rate by 18% year-on-year.


3. p-Xylene

Main Uses: A key raw material in the polyester industry, used to produce purified terephthalic acid (PTA) and dimethyl terephthalate (DMT), a core substrate for polyester fibers, food-grade plastic bottles, and films.


Application Case: A large Middle Eastern polyester manufacturer has a long-term cooperative relationship with our p-xylene supplier, supporting a 500,000-ton-per-year PET resin production line. Product purity is consistently ≥99.7%, ensuring continuous and stable PTA production, reducing the finished product quality deviation rate by 90%, and fully complying with international production standards for food-grade PET packaging bottles.

Packaging Specifications, Logistics and Export Support

1. Standard Packaging: 170kg galvanized iron drums, 1000kg tonnes, sealed and corrosion-resistant, leak-proof, suitable for long-distance sea and land transportation.


2. Customization Service: Drum types, specifications, and packaging materials can be customized according to customer needs to meet the storage and transportation requirements of different regions.


3. Global Logistics: A professional international logistics team can safely ship to Europe, Southeast Asia, the Middle East, Africa, and other parts of the world.


4. Export Documentation: Complete documentation including MSDS (Material Safety Data Sheet), COA (Certificate of Account) quality inspection report, customs declaration documents, etc., ensuring smooth customs clearance in various countries.


5. Free Samples: 100ml-200ml free samples are available for each Xylene Isomer, allowing customers to verify product performance and process compatibility before placing bulk orders.

FAQ

Q1: Can I get free samples for your Xylene Isomers?

A1: Yes, we provide 100ml–200ml free samples for each isomer; you only need to bear the international shipping cost.


Q2: What is the minimum order quantity (MOQ) for Xylene Isomers?

A2: The minimum trial order is 1 drum (170kg) for each isomer. For bulk orders, we offer more favorable factory prices and flexible payment terms.


Q3: How long is the delivery time after confirming the order?

A3: For stock products, we will arrange delivery within 3–5 working days after payment confirmation. For large bulk orders or customized packaging, we will confirm the specific delivery time according to the production schedule.


Q4: Do you provide complete export documents for Xylene Isomers?

A4: Yes, we have complete export documents, including MSDS, COA, customs declaration documents, etc., to ensure smooth customs clearance in your country/region.



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