Appearance

Light orange cream crystals

2.

Melting point

207 – 2100C

3.

Assay by UV spectrum 0.002% OD at 254 ± 2 nm solution in Methanol

1.9 – 2.0(=98%)

4.

Solubility of 1% solution (in water)

Completely insoluble

5.

Clarity of 0.1% solution (in methanol)

Light yellow colour solution with few floating particles.