Propylene Glycol Butyl Ether CAS 29387-86-8

Factory Supply Propylene Glycol Butyl Ether CAS 29387-86-8 with Best Price

  • Appearance: Colorless liquid
  • Assay: 99. 0%min
  • Stock: In stock
  • Sample: Available
  • Zhishang Chemical: Propylene Glycol Butyl Ether Supplier & Manufacturer

Basic Info

What is Propylene Glycol Butyl Ether?

Propylene glycol butyl ether is a green and environmentally friendly high-grade solvent, which has a wide range of main uses in coatings, cleaning agents, inks, leather, etc. It is one of the main components of brake fluid. Propylene glycol ether can also be used in colorful paints, photosensitive adhesives, PS plate cleaning, printing, electronic chemicals, jet engine fuel additives (water repellent), extractants and high boiling point solvents, etc. In the paint industry, it can be used as a solvent for alkyd resins, epoxy resins, acrylic resins, polyester paints, etc. The prepared paint has smooth, smooth and good fastness. In the process of dye dissolution, it can be used instead of alcoholic solvent, and it is a good coupling agent. In ink production, using propylene glycol ether, some formulations can be changed to water-soluble, which reduces the toxicity of the ink, improves the operating environment, and improves the printing quality. Propylene glycol ether products can be used to prepare various concentrated cleaning agents with good effect.

The molecular structure of propylene glycol butyl ether contains ether bonds and hydroxyl groups. The former is lipophilic and can be miscible with hydrophobic compounds, while the latter is hydrophilic and can be miscible with hydrophilic compounds, so it is called “universal solvent”. Propylene glycol butyl ether is one of the important products of the propylene glycol ether series. It is an excellent solvent and is widely used in coatings, pigments, inks, high-efficiency cleaning agents, printing, leather and electronic chemicals and other industries. Compared with ethylene glycol ether, the toxicity of propylene glycol ether is greatly reduced, so propylene glycol ether can effectively replace ethylene glycol ether, and is accepted by more and more users.

Propylene Glycol Butyl Ether Uses

Propylene Glycol Monobutyl Ether is primarily used in heavy duty cleaners. It dissolves and couples oils and fats excellently, making it useful in household and industrial formulations. Partially water soluble, can solubilize most solvents. Specific applications are as adheres to:

  1. Coupling agent and also solvent for household as well as industrial cleaners, grease paint cleaners, metal cleansers and also difficult surface area cleaners.
  2. Reliable coupling agent and also solvent for water-reducing coatings.
  3. Water-based latex finishings Effective coagulant.
  4. Energetic solvent for solvent-based coverings.
  5. Chemical intermediates for the production of esters, solvents, and plasticizers.

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If you want to buy propylene glycol butyl ether, pls contact us to get a free quote.

Application of Propylene Glycol Butyl Ether

Preparation of Propylene Glycol Butyl Ether

The propylene oxide method is the method for the synthesis of propylene glycol butyl ether generally adopted in the industry at present, and there are methods such as the Williamson method and the acetal method in addition, and the latter is less applied to actual industrialization due to various problems. At present, the synthesis of propylene glycol butyl ether by propylene oxide method is mainly studied at home and abroad from the two aspects of reactor and catalyst.

Dow Chemical Company of the United States has developed an insoluble polymer catalyst containing positive phosphorus ions (PR4+); BPChemicals has developed a metal perfluorosulfonic acid polymer catalyst for catalyzing the addition reaction of propylene oxide and methanol; Li Zhisong and others used phosphomolybdate modified Al2O3 as a catalyst, and adopted a new synthesis process of catalytic rectification for the synthesis of propylene glycol monobutyl ether.

Traditional homogeneous acidic or alkaline catalysts are generally used in industry, but this has led to problems such as corrosive equipment and difficult separation of catalysts from products, especially solid acid catalysts have poor selectivity and many by-products. Therefore, urgently need us to develop a kind of catalyst of high activity, environmental friendliness, improve industrial technology level and product quality.

CN201710832738.8 provides a method for synthesizing propylene glycol butyl ether. This method avoids the problems of corrosive equipment caused by traditional homogeneous acidity or alkalinity as a catalyst, and the catalyst is difficult to separate from the product. The method has simple process and low energy consumption. Moreover, the catalyst is easy to separate, reusable, energy-saving and environment-friendly.

The purpose of the present invention is achieved in this way: add n-butanol and catalyst into the reactor, seal and stir, replace the air in the reactor with N2, heat up to the set temperature, slowly feed propylene oxide, and control the reactor The internal temperature is basically constant, and the pressure in the reactor is controlled at 0.20-0.50MPa. After the propylene oxide is fed into the set mass, the reaction is continued at the set temperature until the internal pressure of the reactor is constant and remains unchanged within 30 minutes. The reaction is over. After cooling and discharging, the propylene glycol butyl ether product is obtained.

The invention has the advantages that: after the solid base catalyst used in the reaction catalyzes the reaction, the conversion rate of propylene oxide and the productive rate of propylene glycol butyl ether are all higher than the traditional catalyst NaOH used in industry. At the same time, it avoids the problems of traditional homogeneous catalysts such as corrosion of equipment and difficult product treatment. It has the advantages of high catalytic activity, good selectivity, recyclable catalyst, mild reaction conditions, easy separation from products, low energy consumption and small environmental pollution. .


  1. Butoxypropan-1-ol – PubChem
  2. CN201710832738.8 A method for synthesizing propylene glycol butyl ether
  3. CN201810446362.1 A kind of synthetic method of propylene glycol butyl ether acetate

Propylene Glycol Butyl Ether Suppliers and Manufacturers

As a propylene glycol butyl ether supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best propylene glycol butyl ether raw materials to customers all over the world.

Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.

If you have a demand for propylene glycol butyl ether and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.

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