Bismuth Citrate
Bismuth citrate is used to manufacture hair dyies.
Specifications
Generic name: | Bismuth Citrate | Primary packaging | Polyethylene bag |
|---|---|---|---|
Molecular formula | BiC6H5O7 | Secondary packaging | Cardboard fiber drum |
Molecular weight | 398.08 g/mol. | Internal product code | PTQ 4.2.2 |
Presentation | Powder | Retest date: | 48 months |
Storage conditions | ≤ 30°C, protect from direct sunlight exposure | CAS Number: | 813-93-4. |
TEST | SPECIFICATION |
|---|---|
Appearance | White, odorless powder. |
Appearance in solution (HNO3). | Clear solution free of foreign matter |
Identification | Positive test |
% Loss on drying (at 105°C) | ≤ 1.00% |
% Assay (As Bi+3) | 49.00 – 54.00 % |
% Arsenic | ≤ 0.0010% |
% Cooper | ≤ 0.0010% |
% Lead | ≤ 0.0010% |
% Silver | ≤ 0.0010% |
% Soluble bismuth | ≤ 0.0040% |
Nitrates | Passes test. |
