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INTRODUCTION:
［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 253℃ dissolution, soluble in water, insoluble in ethanol.
［Applications］:Food additive, nutrition fortifier
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.
Manufacturing
