Butyl Lactate is a lactic acid ester that is colorless and clear with a characteristic odor. Mixes with hydrocarbons, oils, gasoline, and other solvents. Very little solubility with water, which is different from Ethyl Lactate and Methyl Lactate. This ester has a high boiling point and high KB value with low volatility, and so has applicability as a special grease solvent.
Butyl Lactate
Purposes of use
Industrial products
Components
Butyl Lactate
CAS No.
34451-19-9
Basic information
Package unit, packing style
20kg Jerry can 200kg, polyetylene drum
Features (information on components, physical properties)
Chemical name, IUPAC name | L-Butyl Lactate |
|---|---|
| Another name | Butyl-(S)-2-Hydroxypropanoate |
| CAS No. | 34451-19-9 |
| Chemical formula | CH3CH(OH)COOC4H6 |
| Structural formula |  |
| Molecular weight | 146.18 |
| Properties | Colorless and transparent liquid |
| Odor | Characteristic ester odor |
| Specific gravity | 0.984（20℃） |
| Refractive index | 1.4216（20℃） |
| Melting point | -43℃ |
| Boiling point | 188℃（760mmHg） |
| Flash point | 91℃ (Cleveland open test) |
| Ignition point | 382℃ |
| Vapor pressure | 0.043kPa（20℃） |
| Vapor density | 5.0g/L |
| Evaporation rate | 0.03 (butyl acetate = 1) |
| Viscosity | 3.58cp（20℃） |
| Dilution rate | Toluene: 5.2, xylene: 5.1, petroleum: 2.7 |
| Solubility | In water:3%、Water in:13% |
| BOD | 1.08g/g |
| COD(Mn) | 0.31g/g |
*For detailed information on harmfulness and data on properties of Butyl Lactate, please see the safety data sheet (SDS).
Safety data
| LD50 | 5,000 mg/kg or more (rat; oral) 1,200 mg/kg or more (rat; subcutaneous) 1,100 mg/kg or more (rat; subcutaneous)
|
|---|---|
| LC50 | 5.70 g/m3 or more (rat). No dead cases |
| TCL0 | 4 ppm (human) |
| LDL0 | 200 mg/kg (mouse; peritoneum) |
Product specs
Product Type
Butyl Lactate
Product Specifications
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Main purposes of use and effects
Main applications
| Industrial Use | Solvents with high boiling points, cleaners, inks, and paints |
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