Molekula
Evans Blue (C.I.23860)
Evans Blue (C.I. 23860) is a water-soluble, anionic dye used primarily in biochemical assays for protein quantification and as a marker in electrophoresis and membrane permeability studies. It is a complex sodium salt with the molecular formula C34H24N6Na4O14S4 and a molecular weight of 960.81 g/mol. CAS number: 314-13-6. Store at ambient temperature. Hazard classification includes signal word: Danger. Molekula supplies Evans Blue (C.I. 23860) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Evans Blue (C.I. 23860) is a water-soluble, anionic dye used primarily in biochemical assays for protein quantification and as a marker in electrophoresis and membrane permeability studies. It is a complex sodium salt with the molecular formula C34H24N6Na4O14S4 and a molecular weight of 960.81 g/mol. CAS number: 314-13-6. Store at ambient temperature. Hazard classification includes signal word: Danger. Molekula supplies Evans Blue (C.I. 23860) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Black powder |
| Loss on Drying | ≤10% |
| Solubility at 0.1% in water | Clear blue solution |
| Wavelenght of max absorption | 605 - 613nm |
| Specific Absorbance (E1% / 1cm) | ≥800 |
| Total Colour/ Assay | ≥85.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 48 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 314-13-6 |
| Molecular Formula | C34H24N6Na4O14S4 |
| Molecular Weight | 960.81 |
| 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+] |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3212900050 |
| Tariff Code | 3212900000 |
Safety & GHS
-
Flammable
GHS02
Hazard statements
- H350 May cause cancer
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Evans Blue used for?
Evans Blue is primarily used as a dye in biological and medical research, particularly for protein binding assays and as a marker in capillary permeability studies.
What is the chemical formula and molecular weight of Evans Blue?
The formula is C34H24N6Na4O14S4 with a molecular weight of 960.81 g/mol.
How should Evans Blue be stored?
Store at ambient temperature, protected from light and moisture.
What grade of Evans Blue does Molekula supply?
Molekula supplies Evans Blue in analytical grade.
Can Molekula supply Evans Blue in bulk?
Yes, Molekula can supply Evans Blue in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Evans Blue?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the product.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.