Butyl lactate is a butyl ester derivative of lactic acid produced by fermentation of carbohydrates as raw materials. Since butyl-L-lactate is an environmentally friendly high boiling point solvent, it is widely used in paints, coatings, plastics, and other fields.
| Product Name | Butyl-L-lactate | Butyl lactate |
| Catalog | BIOC34451199 | BIOS138227 |
| Grade | Solvent Grade | Solvent grade |
| Appearance | Colorless clear liquid | Colorless clear liquid |
| CAS No. | 34451-19-9 | 138-22-7 |
| Chemical formula | C7H14O3 | C7H14O3 |
| Molecular weight | 146.18g/mol | 146.18g/mol |
| Content | ≥ 99.0% | ≥ 99.0% |
| Boiling point | 188℃ | 188℃ |
| Flashing point | 69℃ | 69℃ |
| Color | ≤ 50APHA | ≤ 50APHA |
| Acid Value | ≤ 0.2% | ≤ 0.2% |
| Methanol | ≤ 0.5% | ≤ 0.5% |
| Water (Karl-Fisher) | ≤ 0.3% | ≤ 0.3% |
| Specific gravity | 0.974-0.984 | 0.974-0.984 |
| Refractive index (20 °C) | 1.419-1.426 | 1.419-1.426 |
The use of green solvents instead of traditional solvents has been the development trend of coating and ink and other related industries. Characteristics of butyl-L-lactate as a green solvent include:
- It is made from plant-based raw materials, which is renewable.
- It can be biodegraded to carbon dioxide and water, which is environmentally friendly.
- It has natural aromatic fragrance and low volatility, which effectively improves the strong irritating odor of traditional solvents.
- With good miscibility with organic compounds.
- It has good viscosity, effectively improves the strength of the coating, and can improve the gloss of the coating.
- It can solve the problem of gloss loss and shrinkage in coatings (e.g. anti corrosive coating) for its high boiling point and low volatility.
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