Butylglycol – A versatile ether glycol in laboratory and industrial chemistry
Butyl glycol, also known as 2-butoxyethanol, is an important glycol ether used in a wide range of applications in laboratory and industrial chemistry. As an organic solvent with specific physicochemical properties, it offers numerous advantages and is used in a variety of products and processes.
The properties of butyl glycol
Butyl glycol is a colorless, clear liquid with a characteristic odor. It is characterized by a relatively low surface tension, making it an excellent wetting agent. Furthermore, it has good solvency for a wide range of organic and inorganic substances, making it a versatile solvent mediator.
The most important physicochemical properties of butyl glycol include:
- Boiling point: 171 °C
- Flash point: 62 °C
- Density: 0.9 g/cm³
- Viscosity: 3.34 mPa·s (at 20 °C)
- Solubility: readily soluble in water, alcohols, esters, and ketones
These properties make butyl glycol an extremely useful auxiliary agent in chemistry and industry.
Applications of butyl glycol
Due to its versatile properties, butyl glycol is used in numerous application areas:
Industrial cleaning agents
Butyl glycol is frequently used as a solvent in industrial cleaning agents. Due to its good solvency for fats, oils, and other contaminants, it is excellent for removing stubborn dirt in industrial plants, workshops, or vehicle cleaning.
Paints, Coatings, and Finishes
In the paint industry, butyl glycol serves as a solvent and thinner for various paint systems. It improves the wetting properties and flowability of paints and coatings, leading to a more uniform surface distribution.
Polymers and Adhesives
Butyl glycol is also used as a coupling agent in polymer chemistry. It can improve the compatibility between polar and non-polar components in polymer blends and adhesives, thus optimizing processing properties.
Cosmetics and Personal Care
In the cosmetics and personal care industry, butyl glycol is used as a solvent for fragrances, preservatives, and other ingredients. It improves the skin compatibility and stability of formulations.
Laboratory Chemistry
In chemical laboratories, butyl glycol serves as a solvent for organic compounds, dyes, and reagents. Due to its good solvent properties and compatibility with many materials, it is a useful aid in analytical and synthetic chemistry.
Further Applications
Additionally, butyl glycol is used as:
- Defoamer in coatings and adhesives
- Plasticizer in polymers
- Humectant in inks and printing colors
- Additive in hydraulic fluids and lubricants
Safety and Handling of Butyl Glycol
Although butyl glycol is generally considered relatively low-risk, some precautions must be observed during handling. It is flammable and can be harmful to health if exposure limits are exceeded. Therefore, appropriate protective equipment, good ventilation, and use in well-ventilated areas are necessary.
Additionally, butyl glycol should be kept away from food and animal feed, and applicable regulations should be observed during disposal. Overall, however, butyl glycol is a useful and versatile ether glycol that provides valuable services in many areas of chemistry and industry.
Conclusion
Butyl glycol is an extremely versatile ether glycol with excellent solvent properties, used in numerous applications in laboratory and industrial chemistry. From cleaning agents to paints and polymers, to cosmetics and analytics – butyl glycol is a useful helper that enhances the performance and processability of many products and processes. With proper handling and safety measures, butyl glycol can fully demonstrate its strengths and make an important contribution in modern chemistry.









