[Product]: L-Threonine
[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° |
| Chloride | -- | ≤0.05% |
| Sulfate (SO4) | -- | ≤0.03% |
| Ferric salt(Fe) | -- | ≤0.003% |
| Heavy metal(Pb) | ≤20ppm | ≤15ppm |
| As content | ≤1.5ppm | ≤1.5ppm |
| 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. |
Qingdao Salus International Trade Co., Ltd is located in Qingdao City which is one of main seaports in North China. This is a specialized Chemicals Company, Which is specialize in the development, marketing and after-sales service of Chemicals, Fertilizers. Our management team has been in the international trade more than 10 years, with deep penetration in Chinese market.
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