Molecular formula:

C₄H₄N₂O₂

Molecular weight:

112.09

CAS No.:

66-22-8

Structure Formula:

Description:

White or almost white crystalline powder

Loss on drying:

≤1.0%

Melting point:

>300°C

Residue on ignition:

≤0.2%

Heavy metals:

≤20ppm

Assay(HPLC):

≥98.0%

Packing:

25kg/barrel

Storage:

Keep dry, stable at room temperature.