It is a butyl ester of the L(+)lactic acid that derives from bio-fermentation of sugar-like carbohydrate. It is a colorless transparent liquid. It is soluble in ethanol, aether, acetone, esters and some other organic solvents. It is partly soluble in water.
Assay（GC） ≥98.5%
Stereochemical Purity L/(L+D)×100
≥99.0%
Color ≤50 Apha
Acidity ≤ 0.3 %
Water content (Karl fisher) ≤ 0.5 %
Specific gravity / Density (25/25℃)
0.974 ~ 0.984
Refractive index (20℃) 1.419 ~ 1.426
Featured in high optical purity and applied as initial raw material for the production of chiral pharmaceuticals and agrochemicals.