A white or nearly white free-flowing crystalline powder, practically odorless, it melts at 263~264℃ with decomposition. It is freely soluble in water and in formic acid, very slightly soluble in ethanol almost insoluble in ether.
Quality Standards：
AJI97, USP24 and etc.
Item
Specification
USP24
AJI97
Appearance
White power, slightly characteristic taste
Assay, %
98.5~101.5
98.5~101.0
Specific rotation,
+20.4°~+21.4°
+20.8°~+21.5°
Transmittance,%
- - -
≥98.0
pH value
- - -
5.0~6.0
Heavy metals,%
≤0.0015
≤0.001
Loss on drying,%
≤0.4
≤0.4
Residue on ignition,%
≤0.1
≤0.1
Chloride (as Cl),%
19.0~19.6
19.12~19.51
Sulfate (as SO4),%
≤0.03
≤0.02
Iron,%
≤0.003
≤0.001
Arsenic,%
- - -
≤0.0001
Other amino acids
- - -
Not detd.
Organic volatile impurities
Meets the requirement
- - -
Package and Transport：
A double-layer package is used for this product, the inner layer being polyethylene bag, and the outer layer being appear board barrel, containing a net weight of 25kg/barrel. packaging may be arranged according to the requirement of the client.
Handle with care in order to avoid damaging the package. Protect them from sunshine and rain.
Do not transport them together with poisonous or harmful goods. This product is a non-dangerous product and can be transported as g general chemical product.
Storage：
Stored in dry, clean and ventilated places. Protect it from moisture, heat or sunshine. In order to avoid pollution, it is prohibited to place this product together with poisonous substances. The expiry date is for 24 months.
Amino Acid
