What is Azure A
Azure A is an organic chloride salt having 3-amino-7-(dimethylamino)phenothiazin-5-ium as the counterion. It is used in making azure eosin stains for blood smear staining. It also has a role as a histological dye and a fluorochrome.
Macsen Laboratories is the manufacturer and supplier of high-quality Azure A.
| PRODUCT SPECIFICATIONS | |
|---|---|
| PRODUCT NAME | Azure A |
| IUPAC Name | (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride |
| SYNONYMS | Giemsa stain; Dimethylthionine; N,N-Dimethylthionine; Azur A; 3-Amino-7-(dimethylamino)phenothiazin-5-ium chloride |
| CAS No | 531-53-3 |
| Molecular Formula | C14H14ClN3S |
| Molecular Weight | 291.8 g/mol |
| Pubchem CID | 13735 |
| Pubchem SID | 462770358 |
Chemical Properties
| SR. No | Criteria | Limit/Specification |
|---|---|---|
| 1 | Appearance | Green to Very Dark Green Powder |
| 2 | Solubility(Color) at 4mg Plus 4ml of Water | Dark Blue to Very Dark Blue and Dark Purple to Very Dark Purple and Blue- Purple |
| 3 | Infrared Spectrum | Conforms to Structure |
| 4 | Nitrogen | 10.0 - 14.4 % |
| 5 | Dye Content | ≥ 70 % |
Uses
- It is often used in Giemsa Stain.
- It is used as a screening test for mucopolysaccharides.
- It can also be used to stain lysosomes in blood smears.