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VAQORAEvans blue
Synonyms: Direct Blue 53 · Evan's Blue · Dye Evans Blue · Azovan Blue
CAS No.314-13-6
FormulaC34H24N6Na4O14S4
Mol. weight960.80
Catalogue No.VQ-000572
PurityMicroscopy
HSN32049000
Evans blue (CAS 314-13-6) – biological stain, Microscopy grade. C34H24N6Na4O14S4, MW 960.8. Order from Vaqora Chemicals with COA and global delivery.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Evans blue
Vaqora Chemicals supplies Evans blue in Microscopy grade, a biological stain registered under CAS number 314-13-6. With the molecular formula C34H24N6Na4O14S4, it has a molar mass of 960.8 g/mol. Common synonyms include Direct Blue 53 and Evan's Blue.
In its supplied form it is a blue to dark blue to brown to dark brown powder. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.
Typical applications include histology and cytology staining, microscopy, clinical laboratories and biological staining. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.
Vaqora Chemicals supplies Evans blue in 5 g, 25 g, 1 kg and 25 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 | Evans blue |
|---|---|
| Catalogue No. | VQ-000572 |
| CAS Number | 314-13-6 |
| IUPAC name | tetrasodium;4-amino-6-[[4-[4-[(8-amino-1-hydroxy-5,7-disulfonatonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]-5-hydroxynaphthalene-1,3-disulfonate |
| Molecular formula | C34H24N6Na4O14S4 |
| Molecular weight | 960.8 g/mol |
| Exact mass | 959.9824 |
| Grade | Microscopy |
| HSN code | 32049000 |
| InChIKey | ATNOAWAQFYGAOY-UHFFFAOYSA-J |
| SMILES | CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C3)C(=CC(=C4N)S(=O)(=O)[O-])S(=O)(=O)[O-])O)C)N=NC5=C(C6=C(C=C5)C(=CC(=C6N)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+].[Na+].[Na+] |
| PubChem CID | 9409 |
| Physical form | Powder |
|---|---|
| Appearance | Blue to dark blue to brown to dark brown powder |
| H-bond donors / acceptors | 4 / 20 |
| TPSA | 404 Ų |
| Synonyms | Direct Blue 53, Evan's Blue, Dye Evans Blue, Azovan Blue, Evablin, Geigy-blau 536, C.I. direct blue 53 tetrasodium salt, Diamine Sky Blue FF, Diazol Pure Blue BF, Evans blue (Technical Grade), Geigy Blue 536, med, Direct blue 53 tetrasodium salt |
Documents
Frequently asked questions
What is the CAS number of Evans blue?
The CAS Registry Number of Evans blue is 314-13-6. It is also known as Direct Blue 53, Evan's Blue, Dye Evans Blue.
What is the molecular formula and molecular weight of Evans blue?
Evans blue has the molecular formula C34H24N6Na4O14S4 and a molecular weight of 960.8 g/mol.
Which grade and pack sizes of Evans blue can I order?
We supply Evans blue in Microscopy grade, in 5 g, 25 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Evans blue?
Yes. Every lot of Evans blue 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 Evans blue be shipped internationally?
Yes. We export Evans blue worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Evans blue
We reply within one business day with price, pack options, lead time and documentation.
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