Variamine Blue RT Salt
ALDRICH/201464
Synonym: 4-Aminodiphenylamine diazonium sulfate; 4-Diazodiphenylamine sulfate; Azoic Diazo Component 22; Azoic Diazo No. 22
CAS Number: 4477-28-5
Empirical Formula (Hill Notation): C12H11N3O4S
Molecular Weight: 293.30
EC Number: 224-756-8
MDL Number: MFCD00011895
Linear Formula: C6H5NHC6H4N2 · HSO4
Product Type: Chemical
| λmax | 377 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| form | solid |
| InChI | 1S/C12H10N3.H2O4S/c13-15- |
| InChI key | FMRQRWPEQSPSDG-UHFFFAOYSA |
| SMILES string | OS([O-])(=O)=O.N#[N+]c1cc |
| solubility | 1 M HCl: 10 mg/mL |
| storage temp. | room temp |
| Application: | Variamine Blue RT Salt has been used as a dye in ultraviolet-visible spectrophotometric method based-uricase enzyme for the detection of uric acid in normal urine. It is also used in combination with naphthol AS-MX phosphate-variam to determine the cytochemical visualization of alkaline phosphatase activity. |
| Packaging: | 25 g in glass bottle |
| Symbol | ![]() ![]() GHS05,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H315 - H318 - H341 - H400 |
| Precautionary statements | P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | room temp |
| Colour Index Number | 37240 |
| UNSPSC | 12171500 |



