L-Leucine CAS No.: 61-90-5 L-Leucine

Specification
Test Item	Specification	Test Method
Appearance	White crystals of crystalline powder	Visual
Identification	Meets the requirements	USP32
Assay	98.5%~101.5%	USP32
pH	5.5~7.0	USP32
Loss on drying	Maximum 0.2%	USP32
Residue on ignition	Maximum 0.4%	USP32
Specific rotation[a]D20	+14.9°~+17.3°	USP32
Chromatographic purity	Max 0.5% of any individual impurity is found; Max 2.0% of total impurities is found	USP32
Organic volatile impurities	Meets the requirements	USP32
Iron	Maximum 30ppm	USP32
Chloride	Maximum 0.05%	USP32
Heavy Metals	Maximum 15ppm	USP32
Sulfate	Maximum 0.03%	USP32
Total Plate count (cfu/g)	Maximum 1000 cfu/g	USP32
Moulds and yeast	Maximum 100 cfu/g	USP32
Escherichia coli	Negative	USP32
Salmonella	Negative	USP32

Application

L-Leucine is used as pharmaceutical raw material or for food supplement.
L-Leucine can be used as nutrition and flavor enhancer. It can also be used in the preparation of amino acid infusion fluid and comprehensive preparations, hypoglycemic agents and plant growth promoter.
L-Leucine contributes to regulate the blood sugar level for it can realize faster decomposition into glucose. People who are lacking in L-Leucine would have symptoms similar to hypoglycemia such as headache, dizziness, fatigue,depression, mental confusion, and irritability, etc.

Packing
25kg/Drum; or according to customers' requirements.

Storage
Storage conditions: store in a well-closed container away from moisture and direct sunlight.

Shelf Life
2 years if sealed and stored properly.