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L-Asparagine monohydrate
L-Asparagine monohydrate
Synonym：L(+)-Asparagine monohydrate; L-Asparagine hydrate; L-2-Aminosuccinamic acid; L-2-Aminosuccinamic acid hydrate
CAS No.：5794-13-8
EINECS No.：
Molecular Formula：C4H8N2O3.H2O
Molecular Weight：150.13
Structural Formula：
Standard：
|
Items |
Specifications |
|
Appearance |
White crystals or crystalline powder |
|
Assay |
99.0%-101.0% |
|
Loss on drying |
≤12.8% |
|
Residue on ignition |
≤0.10% |
|
Other Amino acids |
≤0.10% |
|
Heavy metals |
≤10ppm |
|
Ammonium (NH4) |
≤0.1% |
|
Arsenic（As2O3） |
≤1ppm |
|
Iron（Fe） |
≤10ppm |
|
Sulphate（SO4） |
≤0.02% |
|
Chloride（CL） |
≤0.02% |
|
Acidity |
4.4~6.4 |
Properties：It is a white crystalline or crystalline powder, odorless. Soluble in water, insoluble in ethanol and ether. Melting point of 233-235℃.
Uses：L-Asparagine monohydrate is mainly used as a food additive and in the synthesis of organic raw materials or pharmaceutical intermediates..
Storage：Stored in a well-closed and light-resistant container, and in a cool, dry and ventilated place
Packing：25kg fiber drum lined with plastic bag.
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