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L-LEUCINE
CAS No.:61-90-5
Description: White crystals or crystalline powder. Odorless, slightly bitter taste.
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AJI92
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USP24
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Assay, %
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98.5~100.5
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98.5~100.5
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pH value
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5.5~6.5
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5.5~7.0
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Specific rotation[a]D20º
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+14.9º~+16.0º
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+14.9º~+17.3º
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Chloride (CI) , %
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≤0.02
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≤0.05
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Ammonium (NH4), %
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≤0.02
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- - -
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Sulfate (SO4), %
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≤0.02
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≤0.03
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Iron (Fe), %
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≤0.001
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≤0.003
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Heavy metals, %
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≤0.001
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≤0.0015
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Arsenic, %
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≤0.0001
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- - -
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Other amino acids,
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Not detd.
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- - -
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Loss on drying, %
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≤0.2
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≤0.2
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Residue on ignition, %
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≤0.1
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≤0.4
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Organic volatile impurities, %
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- - -
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Conforms
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Uses: MEDICINE AND FOOD INDUSRIES
Packing: 25kg /fiber drum
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