Shijiazhuang Shixing Amino Acid Co.,Ltd.

L-THREONINE

[Product Name]: L-THREONINE
[Other Name]: L-THR, L-a-AMINO-ß-HYDROXYBUTYRIC ACID,
L-2-AMINO-3-HYDROXYBUTYRIC ACID, L-ß-HYDROXY-2-AMINOBUTYRIC ACID
[Molecular Formula]: C₄H₉NO₃
[Structural Formula]: CH₃CH(OH)CH(NH₂)COOH
[Molecular Weight]: 119.12
[CAS]: 72-19-5
[EINECS]: 200-774-1
[Description]: White crystals or crystalline powder, odorless, slightly sweet. Freely 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 crystalline powder
Assay(on dry matter)	98.5~101.5%	98.5~101.5%
Specific rotation	-26.7º~-29.1º	-26.5º~-29.0º
pH	5.0~6.5	--
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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