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HS Code |
530345 |
| Product Name | Indigo Carmine |
| Cas Number | 860-22-0 |
| Synonyms | 5,5'-Indigodisulfonic acid sodium salt, Acid Blue 74 |
| Molecular Formula | C16H8N2Na2O8S2 |
| Molecular Weight | 466.35 g/mol |
| Appearance | Dark blue to purple powder |
| Solubility | Soluble in water |
| Purity | Typically ≥90% |
| Storage Temperature | Room temperature |
| Uv Vis Maximum | λmax ≈ 610 nm |
| Ec Number | 212-728-8 |
| Merck Index | 14,4935 |
| Chemical Family | Indigoids |
| Applications | Biological stain, redox indicator, food dye |
| Ph Indicator Range | 11.4 (yellow) to 13.0 (blue) |
As an accredited Indigo Carmine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Indigo Carmine from Sigma-Aldrich is supplied in a 25-gram amber glass bottle with a secure screw cap for light protection. |
| Shipping | **Shipping Description for Indigo Carmine (Sigma Aldrich/Merck/TCI Chemical):** Indigo Carmine is securely packaged in sealed containers, protected from light and moisture. Shipping complies with relevant safety and regulatory guidelines. Containers are labeled with hazard and identification information. Expedite delivery is available upon request to minimize transit time and maintain chemical integrity. |
| Storage | Indigo Carmine from Sigma Aldrich, Merck, or TCI Chemical should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances like strong oxidizers. Keep the storage area free from moisture and ignition sources. Ensure containers are clearly labeled, and access is restricted to trained personnel. |
Competitive Indigo Carmine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
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