[Structural formula]: CH3CH(OH)CH(NH2)COOH
[Molecular formula]: C4H9NO3
[Molecular weight]: 119.12
[Descriptions]: White crystal or crystalline powder, odorless, taste slightly sweet, melting point 253ºC dissolution, soluble in water, insoluble in ethanol.
[Applications]: L-Threonine is a kind essential amino acid that can not be synthesized in human body. In foodstuff industry, it is mainly used as food nutrition intensifier. Pharmaceutical grade L-Threonine is used to formulate compound amino acid infusion preparations.
L-Threonine standard: FCC IV,USP24, AJI92, or according to consensus.
|Item||Food grade FCC IV||Pharmaceutical grade USP24|
|Content (dry basis)||98.5%~101.5%||98.5%~101.5%|
|Specific optical rotation||-26.5°~ -29.0°||-26.7°~ -29.1°|
|Loss on drying||≤0.3%||≤0.2%|
|Residue on ignition||≤0.1%||≤0.1%|
|PH value||--||5.0 ~ 6.5|
|[Packing]: In craft paper bags or paperboard barrels of 20KG each.|
[Transportation]: Handle with care to avoid damage on packaging. Protect from sunlight and rain. The product is non-hazardous, keep it away from poisonous and harmful substances in transit.
[Storage]: Store in cool and dry place.