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Name |
Nitroprusside Sodium |
CAS No |
14402-89-2 |
Molecular Formula |
Na2[Fe(CN)5NO],2H2O |
Molecular Weight |
298.0 |
IDENTIFICATION |
A)UV absorption:
The maximum absorption and minimum absorption at
the same wavelengths as that of standard preparation.
B)Positive Reaction
C)Positive Reaction |
CHARACTERS |
Reddish-brown powder or crystals, freely soluble in water,slightly soluble
in alcohol. |
TESTS |
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Water |
9.0%-15.0% |
Insoluble substance |
≤0.01% |
Chloride |
≤0.02% |
Limit of ferricyanide |
≤0.02% |
Limit of ferrocyanide |
≤0.02% |
Sulfate |
≤0.01% |
Assay-Titration |
Sodium Nitroprusside contains NLT
99.0% of Na2[Fe(CN)5NO]·2H2O |
REMARKS:The above product is in conformity with USP29 specification.
Propacetamol Hydrochloride
Name |
Propacetamol Hydrochloride |
CAS No |
66532-85-2 |
Molecular Structure |
Molecular Formula |
C14H20N2O3•HCl |
Molecular Weight |
300.78 |
CHARACTERS |
A white or almost white, crystalline powder, freely soluble in water,
slightly soluble in ethanol, practically insoluble in acetone. |
TESTS |
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Appearance of solution |
clear and not more intensely coloured than reference solution Y6 or BY6 |
Absorbance |
≤0.05 390 nm |
Related substances |
paracetamol≤0.02%
any peak≤0.1%
total≤0.1% |
4-Aminophenol |
≤0.0025% |
Methanol |
≤0.05% |
Heavy metals |
≤10ppm |
Loss on drying |
≤0.5% |
Sulphated ash |
0.1% |
Assay-Titration |
98.0%-102.0% |
REMARKS:The above product is in conformity with EP5 specification.
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