C6H13NO2 Food additive Essential Amino Acids Power L-Leucine USP
Chemical name is L-2-amino-3 - (4 - hydroxyphenyl) propionic acid,
CAS No.: 61-90-5
Molecule Formula: C6H13NO2
Molecule Weight: 131.17
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.
Nutritional supplements; flavoring agent.Preparation of amino acid
infusion and comprehensive amino acid preparations, hypoglycemic
agents and plant growth promoters.
White crystals or crystalline
As per USP30
Specific rotation [α]D20
Not more than 0.05 %
Less than 0.05%
Not more than 0.03%
Less than 0.02%
Not more than 30ppm
Less than 30ppm
Not more than 1.0ppm
Less than 1ppm
Not more than 15ppm
Less than 15ppm
Loss on drying
Not more than 0.2%
Residue on ignition (sulfated)
Not more than 0.4 %
5.5 to 7.0
98.5% to 101.5%