FD&C RED 40 Powder, Allura Red AC
Versatile water-soluble red dye for diverse applications.FD&C Red No. 40 Powder, Allura Red AC, CI 16035
FD&C Red No. 40, also known as Allura Red AC, Food Red 17, or E129, is a synthetic, water-soluble red azo dye used in color formulation development for food, pharmaceutical, cosmetic, and industrial applications. It is supplied as a dark reddish-brown powder and produces a vivid red coloration when dissolved in water.
The material has a Color Index Number of 16035 and CAS Number 25956-17-6. According to supplier specifications, it contains a minimum of 89% pure color and exhibits good heat stability. Its maximum visible absorbance is approximately 504 nm under typical aqueous testing conditions.
Product Specifications
| Product Name | FD&C Red No. 40 Powder |
| Other Names | Allura Red AC, Food Red 17, E129 |
| CAS Number | 25956-17-6 |
| C.I. Number | 16035 |
| E Number | E129 |
| Chemical Formula | C18H14N2Na2O8S2 |
| Molecular Weight | 496.4 g/mol |
| Classification | Synthetic Azo Dye |
| Appearance | Dark Reddish-Brown Powder |
| Solubility | Water Soluble |
| Maximum Absorbance | Approximately 504 nm |
| Pure Color Assay | 89% Minimum (Supplier Specification) |
| Regulatory Reference | 21 CFR 74.340 |
| FDA Batch Certification | Not Verified |
Typical Composition
| C.I. Food Red 17 | 89-94% |
| Water | 4-7% |
| Sodium Chloride | 0.1-1.0% |
Heavy Metal Limits
| Lead (Pb) | 10 ppm Maximum |
| Arsenic (As) | 3 ppm Maximum |
| Mercury (Hg) | 1 ppm Maximum |
Stability Characteristics
| Light Stability | Moderate |
| Oxidation Stability | Fair to Poor |
| Heat Stability | Good |
Potential Applications
- Food and beverage color formulation research
- Pharmaceutical color formulation development
- Cosmetics and personal care color formulations
- Laboratory research and analytical applications
- Water-based dye and specialty color formulations
Applications are illustrative and do not establish that the supplied material is certified or suitable for regulated end uses.
Storage and Handling
Store in tightly closed containers in a cool, dry, well-ventilated location. Protect from moisture, direct sunlight, and incompatible oxidizing agents. Avoid generating airborne dust and use appropriate protective equipment. Consult the Safety Data Sheet before handling.
Technical Information and Regulatory Disclaimer:
Technical specifications, composition, purity, heavy metal limits, and performance data are based on supplier-provided information and have not been independently verified by Chemical Store. These values are provided for reference only and do not constitute lot-specific test results, a guarantee of quality, or confirmation of regulatory compliance.
Buyers must conduct appropriate testing and verify suitability, applicable regulations, and required certifications before use. FDA batch certification has not been verified. This product must not be used in applications requiring FDA-certified color additives unless the necessary certification has been obtained and verified.
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