MF:  C₈H₁₀N₂O₃

Appearance:  orange-red crystalline powder

Melting Point:  67-72℃

Fe:  20 ppm Max.

Pb:  3ppm Max.

As :  3ppm Max.

Ash:  0.2% max.

2-Fluoronitrobenzene:  50ppm Max.

HC Yellow 12 ( 2-((4-Chloro-2-nitrophenyl ) amino ) ethanol :  50ppm Max.

2-Chloronitrobenzene :  50ppm Max.

NDELA ( N-Nitrosodiethanolamine ) :  50ppm Max.

Loss on Drying (%)  0.5% max.
Assay (HPLC) : 98% min