Product Name: L(+)-Lactic acid Synonyms: 2-HYDROXYPROPIONIC ACID;L(+)-LACTIC ACID;L-LACTIC ACID;L-(+)-MILK ACID;L-(+)-2-HYDROXYPROPANOIC ACID;L-2-HYDROXYPROPIONIC ACID;SARCOLACTIC ACID;(S)-(+)-LACTIC ACID CAS: 79-33-4 MF: C3H6O3 MW: 90.08 EINECS: 201-196-2 Product Categories: Functional Materials;Hydroxycarboxylic Acids (for High-Performance Polymer Research);Reagent for High-Performance Polymer Research;Intermediates & Fine Chemicals;Pharmaceuticals mp 52-54°C alpha -13.5 o (c=2.5, 1.5N NaOH) bp 125 °C density 1.206 g/mL at 25 °Crefractive index n20/D 1.427Fp >230 °Fstorage temp. 2-8°Csolubility H2O: 10 mg/mL, clear, colorlessWater Solubility SOLUBLE Sensitive Hygroscopic Merck 14,5337 BRN 1720251 Chemical Properties : Crystalline Solid Usage : Occurs in small quantities in the blood and muscle fluid of man and animals. The lactic acid concentration increases in muscle and blood after vigorous activity. L-(+)-Lactic acid is also present in liver, kidney, thymus gland, human amniotic fluid.