Bismuth Subnitrate
Bismuth Subnitrate is used to manufacture cosmetic creems for skin whitening.
Specifications
Generic name: | Bismuth Subnitrate | Primary packaging | Polyethylene bag |
|---|---|---|---|
Molecular formula | H6Bi5N4O22 | Secondary packaging | Cardboard fiber drum |
Molecular weight | 1462.0 g/mol. | Internal product code | PTQ-4.4.2 |
Presentation | Powder | Retest date: | 48 months |
Storage conditions | ≤ 30°C, protect from direct sunlight exposure | CAS Number: | 1304-85-4. |
TEST | SPECIFICATION |
|---|---|
Appearance | White powder |
Solubility | Practically insoluble in water and in ethanol (96 per cent). It dissolves in mineral acids with decomposition. |
Appearance of solution | Solution is not more
opalescent than reference suspension
and is colourless |
Identification | Positive for Bi+3 Positive for NO3 |
% Loss of drying | ≤ 3.00% |
% Assay (As Bi2O3) | ≥ 79.00% |
% Alkali and alkaline-earth metals | ≤ 0.5% |
% Arsenic | ≤ 0.00080 % |
% Chlorides | ≤ 0.035% |
% Sulfates | There is no immediate turbidity. |
% Copper | The liquid does not have a bluish color |
% Lead | The liquid does not turn cloudy |
% Silver | No insoluble precipitate is formed. |
% Ammonium salts | Steam does not make the damp red litmus paper turn blue. |
