Appearance:Almost-white or light yellow unfixed powder, smell-less, hygroscopic freely.

Empirical Formula: C₂₀H₁₉N₅Na₂O₆   

 

Solubility:Soluble in water very freely, in ethanol or chloroform or ethyl ether hardly

Specific optical rotation:+10°～ +13°

Absorption coefficient :The absorption coefficient---E(1%1cm) is 577-692 at 225nm wavelength.

Identification:

(1)The product appears flame reaction of sodium salt.

(2)UV: Max absorption at 225nm wavelength.

(3)IR: Meet the requirements

PH value:6.5～8.5

Clarity and color of solution:Meet the requirements

Related substance:

Max single impurity ≤0.5%

Total impurity ≤1.5%

Optical isomer:≤0.500%

Methanol:≤0.300%

Methyl chloride:≤0.060%

Chloroform:≤0.006%

Tetrahydrofuran:≤0.072%

Toluene:≤0.089%

Assay:≥99.50%, calculated on the anhydrous basis.

 

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