L-LEUCINE

Item No.: 00133
L-leucine is one of the eight essential amino acids, and belonging to the aliphatic amino acids within twenty kinds of proteins. L-leucine and L-isoleucine and L-valine are called three branched chain amino acids. L-leucineLeucine and D-leucine are enanti
  • TYPE:
    AMINO ACID
  • CAS:
    61-90-5
  • EINECS:
    200-522-0
  • HS CODE:
    29224995
Description Specification Applications
Description
PRODUCTS INFORMATION
L-leucine is one of the eight essential amino acids, and belonging to the aliphatic amino acids within twenty kinds of proteins. L-leucine and L-isoleucine and L-valine are called three branched chain amino acids. L-leucineLeucine and D-leucine are enantiomers.
BASIC INFORMATION AND CHEMICAL PROPERTIES
Form White crystalline powder
MF C6H13NO2
MW 131.17
Melting point >300 °C (lit.)
Boiling point 122-134 °C(Press: 2-3 Torr)
Density 1,293 g/cm3
Refractive index 1.4630 (estimate)
Pka 2.328(at 25℃)
Storage temp. 2-8°C
Specification
Items Standards
Appearance Fine Powder
Color White to Off-white
Odor Characteristic
Mesh Size 100% through 80 mesh size
Identification Identical to R.S. sample
Assay ≥98%
Extract Solvents Water and Ethanol
Loss on Drying (g/100g) ≤5.0
Ash(g/100g) ≤5.0
Pesticides Residue (mg/kg) <0.05
Residual Solvent <0.05
Residual Radiation Negative
Lead(Pb) (mg/kg) <3.0
Arsenic(As) (mg/kg) <2.0
Cadmium(Cd) (mg/kg) <1.0
Mercury(Hg) (mg/kg) <0.1
Total Plate Count(cfu/g) ≤1,000
Molds and Yeast (cfu/g) ≤100
Coliforms (cfu/g) Negative
Salmonella(/25g) Negative
Applications
Used as amino acid infusion and comprehensive amino acid preparations. For the diagnosis and treatment of children with idiopathic high blood sugar and glucose metabolism disorders,bile liver disease associated with reduced secretion , anemia, poisoning, muscular dystrophy, poliomyelitis, neuritis and mental illness. Diabetes, cerebral vascular sclerosis and kidney disease associated with proteinuria and hematuria is contraindicated. Gastric and duodenal ulcer patients should not be served.
The product is used as a nutritional supplement,an amino acid infusion preparation and a comprehensive amino acid preparation,a hypoglycemic agent, a plant growth promoter.
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