L-THREONINE

[Product Name]: L-THREONINE
[Other Name]: L-THR, L-a-AMINO-?HYDROXYBUTYRIC ACID,
L-2-AMINO-3-HYDROXYBUTYRIC ACID, L-?HYDROXY-2-AMINOBUTYRIC ACID
[Molecular Formula]: C4 H9 NO3
[Structural Formula]: CH3 CH(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抯 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%

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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抯 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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