Azur B
Synonyms: N,N-Dimethyl-7-(methylamino)-3H-phenothiazin-3-iminium chloride · Azure B · Azure I · Methylene azure B
Azur B (CAS 531-55-5) – biological stain, Microscopy grade. C15H16ClN3S, MW 305.8. Buy from Vaqora Chemicals with COA and worldwide shipping.
About Azur B
Azur B is a biological stain in Microscopy grade carrying the CAS registry number 531-55-5. The compound has the formula C15H16ClN3S, corresponding to a molecular weight of 305.8 g/mol. The IUPAC name is dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium chloride. Alternative names: Azure B and Azure I.
The product is provided as a powder. Reported physical data include a melting point of 205-210 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Handle it with standard laboratory precautions and appropriate personal protective equipment.
Typical applications include histology and cytology staining, microscopy, clinical laboratories and biological staining. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.
Vaqora Chemicals supplies Azur B in 1 g, 5 g, 25 g and 5 x 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Industries
Specifications & identifiers
| Product name | Azur B |
|---|---|
| Catalogue No. | VQ-000484 |
| CAS Number | 531-55-5 |
| IUPAC name | dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium chloride |
| Molecular formula | C15H16ClN3S |
| Molecular weight | 305.8 g/mol |
| Exact mass | 305.0753 |
| Grade | Microscopy |
| HSN code | 32049000 |
| InChIKey | DNDJEIWCTMMZBX-UHFFFAOYSA-N |
| SMILES | CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-] |
| PubChem CID | 68275 |
| Physical form | Powder |
|---|---|
| Appearance | Powder |
| Melting point | 205-210 °C |
| H-bond donors / acceptors | 1 / 4 |
| TPSA | 52.7 Ų |
| Synonyms | N,N-Dimethyl-7-(methylamino)-3H-phenothiazin-3-iminium chloride, Azure B, Azure I, Methylene azure B, 3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium chloride, Trimethylthionine chloride, AZUR I, Azure B (chloride), 3-(Dimethylamino)-7-(methylamino)-phenothiazin-5-ium chloride, 3-(Dimethylamino)-7-(methylimino)-3H-phenothiazine hydrochloride, 3-Methylamino-7-dimethylaminophenzathonium chloride, Phenothiazin-5-ium, 3-(dimethylamino)-7-(methylamino)-, chloride |
Documents
Frequently asked questions
What is the CAS number of Azur B?
The CAS Registry Number of Azur B is 531-55-5. It is also known as N,N-Dimethyl-7-(methylamino)-3H-phenothiazin-3-iminium chloride, Azure B, Azure I.
What is the molecular formula and molecular weight of Azur B?
Azur B has the molecular formula C15H16ClN3S and a molecular weight of 305.8 g/mol. Its IUPAC name is dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium chloride.
Which grade and pack sizes of Azur B can I order?
We supply Azur B in Microscopy grade, in 1 g, 5 g, 25 g, 5 x 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Azur B?
Yes. Every lot of Azur B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Azur B be shipped internationally?
Yes. We export Azur B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Azur B
We reply within one business day with price, pack options, lead time and documentation.