Shijiazhuang Shixing Amino Acid Co.,Ltd.

L-LEUCINE

[Product Name]: L-LEUCINE
[Other Name]: L-LEU, L-2-AMINO-4-METHYLVALERIC ACID, L-2-AMINOISOBUTYLACETIC ACID
[Molecular Formula]: C₆H₁₃NO₂
[Structural Formula]: (CH₃)₂CHCH₂CH(NH₂)COOH
[Molecular Weight]: 131.17
[CAS]: 26782-71-8
[E No]: 641
[Description]: 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.
[Standard]: Pharma Grade USP38, Food Grade FCCV, or according to buyer's requirements.

Item	Pharma Grade (USP38)	Food Grade (FCCV)
Appearance	White crystals or crystalline powder	White crystals or crystalline powder
Assay(on dry matter)	98.5~101.5%	98.5~101.5%
Specific rotation	+14.9º~+17.3º	+14.5º~+16.5º
pH	5.5~7.0	--
Loss on drying	NMT 0.2%	0.2% MAX
Residue on ignition	NMT 0.4%	0.1% MAX
Chloride	NMT 0.05%	--
Sulfate	NMT 0.03%	--
Iron	NMT 30ppm	--
Lead	--	5mg/kg MAX
Related compounds	Individual impurities: NMT 0.5% Total impurities: NMT 2.0%	--

Usage: It is an essential amino acids, generally used as a nutritional supplement.
Packing: In fiber drum of 25KG net each or according to buyer’s need.
Transport and Storage: Handle with cares to avoid damaging the package, protect them from sunshine or rain. Don't transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.

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