|
TESTS |
BP(vet) |
|
CHARACTERISTICS
|
A yellow to yellowish brown powder. |
|
SOLUBILITY |
Practically insoluble in water ; sparingly soluble in ether ; slightly soluble in ethanol (96%) It dissolves in solutions of alkali hydroxidesH |
|
IDENTIFICATION |
The infrared absorption spectrum , is concordant with the reference spectrum of nitroxynil.
The light absorption exhibits maxima at 225 nm and at 271 nm
Heating with sulphuric acid evolves iodine vapour
|
|
MELTING POINT |
136° to 139° |
|
INORGANIC IODIDE |
Not more than 500 ppm of iodide. |
|
LOSS ON DRYING
|
loses not more than 1.0% of its weight |
|
SULPHATED ASH
|
Not more than 0.1%. |
|
ASSAY
|
98.0% and not more than 101.0% |