[Name]: L-Leucine, L-Leu
[Structural formula]: (CH₃)₂CHCH₂CH(NH₂)COOH
[Molecular Formula]: C₆H₁₃NO₂
[Molecular weight]: 131.17
[Properties]: White crystals or crystalline powder. Practically odorless,slightly bitter taste. Freely soluble in formic acid , sparingly soluble in water, practically insoluble in ethanol and in ether.
[Usage]: -Leucine is one of the eight essential amino acids, mainly used as food additives, and formatting complex amino acid perfusion and preparation.
Quality standard as FCC IV, AJI97 or discuss.

Items

Food Grade (FCC IV)

Medical Grade (AJI 97)

Assay(on dry matter)

98.5%-101.5%

99.0%-100.5%

Specific rotation

+14.5--+16.5

+14.9--+16.0

Transmittance

-

≥98%

Chloride(Cl)

-

≤0.020 %

Ammonium(NH₄)

-

≤0.02%

Sulfate(SO₄)

-

≤0.020 %

Iron(Fe)

-

≤0.001 %

Heavy metals (Pb)

≤20ppm

≤10ppm

Arsenic

≤2ppm

≤1ppm

Other amino acids

-

conforms

Loss on drying

≤0.20%

≤0.20 %

Residue on ignition

≤0.10%

Ü0.10 %

pH value

-

5.5--6.5

[Packing]: In kraft paper bags or in fiber drum of 25KG net each.
[Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don't transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.