Butyl Di Glycol
Butyl di glycol is a clear, colourless liquid with a high boiling point, low volatility and a mild, pleasant odour. Its properties are similar to butyl glycol, though it evaporates more slowly. Like other glycol ethers, it has a bi-functional nature, containing both ether and alcohol groups in the same molecule. It is fully miscible with water and a wide range of organic solvents. This excellent miscibility makes it a versatile solvent, coupling and coalescing agent which offers excellent performance features in a wide range of applications.
Its bi-functional nature also means that is displays the typical reactions of an alcohol, ie. esterification, etherification, oxidation and the formation of acetates and alcoholates, as well as those of an ether, forming peroxide in the presence of atmospheric oxygen.
Butyl di glycol is produced by the reaction of two ethylene molecules with normal butanol (n-butanol) in the presence of a catalyst.
Application
Butyl di glycol is most commonly used in the coatings and paint industries where its low volatility and high boiling point have seen it widely accepted as a flow promoter for baking finishes such as melamine, urea, phenol, or epoxy resin composites. It is also widely used in stove enamels as it has a high evaporation number which means that the enamel properties can be improved without it affecting the drying time. It also has a role in air-drying paints as it increases “brushability”.
| Synonyms | Diethylene Glycol Monobutyl Ether, 2-(2-Butoxyethoxy)ethanol, Diethylene glycol butyl ether (DGBE), Butoxydiglycol, Diglycolmonobutyl ether, Butyl diglycol ether |
|---|---|
| Product Formulation | C4H9O((C2H4O)2H – ( C6H14O2 ) |
| Common Names | 2-(2-Butoxyethoxy) Ethanol, Diethylne Glycol Mono Butyl Ether, Emkanol BDG, Butyl Carbitol, Butyl Diethoxol. |
| Chemical Formula | Glycol Ethers |
| Appearance | Clear Liquid |
| Odor | Mild |
| Solubility | Soluble in Water |
| Boiling Point | 230°C |
| Density at 25°C | 0.9536 g/m3 |
| Autoignition Point | 227°C |
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