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Butyl Lactate

Purposes of use
Industrial products
Butyl Lactate

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.

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 nameButyl-(S)-2-Hydroxypropanoate
CAS No.34451-19-9
Chemical formula
Structural formula
Molecular weight146.18
PropertiesColorless and transparent liquid
OdorCharacteristic ester odor
Specific gravity0.984(20℃)
Refractive index1.4216(20℃)
Melting point-43℃
Boiling point188℃(760mmHg)
Flash point

91℃ (Cleveland open test)

Ignition point382℃
 Vapor pressure0.043kPa(20℃)
 Vapor density5.0g/L
Evaporation rate0.03 (butyl acetate = 1)
Dilution rate

Toluene: 5.2, xylene: 5.1, petroleum: 2.7

SolubilityIn water:3%、Water in:13%

*For detailed information on harmfulness and data on properties of Butyl Lactate, please see the safety data sheet (SDS).

Safety data


5,000 mg/kg or more (rat; oral)

1,200 mg/kg or more (rat; subcutaneous)

1,100 mg/kg or more (rat; subcutaneous)


LC505.70 g/m3 or more (rat). No dead cases
TCL04 ppm (human)
LDL0200 mg/kg (mouse; peritoneum)

Product specs

Product Type

Butyl Lactate

Product Specifications

For further information, please contact us.

Main purposes of use and effects

Main applications


Industrial Use Solvents with high boiling points, cleaners, inks, and paints

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