Azure B
ALDRICH/227935 - prepared by direct synthesis
Synonym: N,N,N′-Trimethylthionin; Azure I; Methyleneazure
CAS Number: 531-55-5
Empirical Formula (Hill Notation): C15H16ClN3S
Molecular Weight: 305.83
EC Number: 208-511-2
MDL Number: MFCD00011935
Linear Formula: C15H16ClN3S
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 227935-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 227935-5G
| ε (extinction coefficient) | ≥13000 at 241-247 nm |
| ≥36000 at 287-293 nm | |
| ≥67000 at 638-644 nm | |
| λmax | 648 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| assay | >85.0% (HPLC) |
| form | powder |
| InChI | 1S/C15H15N3S.ClH/c1-16-10 |
| InChI key | DNDJEIWCTMMZBX-UHFFFAOYSA |
| mp | 205-210 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | C[N+](C)=C(C=C1)C=C(C1=N2 |
| solubility | water: 1 mg/mL, blue to very deep blue |
| storage temp. | room temp |
| Application: | Azure B has been used in M′Fadyean stain to visualize Bacillus anthracis capsule. |
| Biochem/physiol Actions: | Azure B is a cationic dye. It is part of the Romanowsky stain, which is used for staining of blood films. It is also used for the localization of nucleic acids and lignin. |
| Packaging: | 5, 100 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | >85.0% (HPLC) |
| mp | 205-210 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| Colour Index Number | 52010 |
| UNSPSC | 12171500 |