Product name: L-LeucineChemical name: L-2-amino-3 - (4 - hydroxyphenyl) propionic acid, CAS No.: 61-90-5EINECS: 200-522-0 Molecule Formula: C6H13NO2Molecule Weight: 131.17Chemical Properties: White crystalline powder Product Categories: Food and Feed Additive;Amino Acid Derivatives;Leucine [Leu, L];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino Property:white glossy hexahedral crystals or white crystalline powder. Slightly bitter taste (DL-leucine was sweet). Sublimation at 145 ~ 148 ℃. Melting point 293 ~ 295 ℃ (decomposition). In the presence of hydrocarbons, its stable in inorganic acid aqueous solution. Each gram dissolves in about 40ml water or 100ml acetic acid. Slightly soluble in ethanol (0.07%), dissolved in dilute hydrochloric acid, alkali hydroxide and carbonate solution. Insoluble in ether. An essential amino acid, adult male requirement (2.2g / d) (Japan). necessary for normal growth of infants and for adults to maintain normal nitrogen balance Naturally exist in spleen and heart, in the form of the protein in a variety of animal and plant tissues.