L-Cystine
 L-Leucine
 L-Tyrosine
L-Arginine
L-Histidine
L-Cysteine
L-Glutamic Acid
L-Lysine
L-Leucine

Name:L-Leucine

Properties:White crystal or crystalline powder, almost odorless, flavorless,sublimed at 150°C, soluble in diluted acid or alkali solution, slightly soluble in alcohol.

Quality index:

Item
Index
Specific rotatory power[α] D20
+14.9º — 16º
Clarity
≥98.0%
Chloride[CL]
≤0.02%
Sulfate[SO4]
≤0.02%
Residue on ignition
≤0.10%
Iron salt[Fe]
≤10 ppm
Heavy metal[Pb]
≤10 ppm
Arsenic salt
≤1 ppm
Ammonium salt[NH4]
≤0.02%
Other amino acid
≤0.20%
Loss on drying
≤0.20%
Content
98.5 — 100.5%

Use:

Widely used in pharmaceutical industry as main material for synthesizing polypeptide drugs. Also used as antioxidant in agricultural research or preparing insect feedstuffs etc..

Packing:

Packed in cardboard drum with the lining of two layers of plastic bags. NW:25 KG per drum.
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