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Disodium [2-Hydroxy-3-[(2-Hydroxy-1-Naphthyl)Azo]-5-Nitrobenzene-1-Sulphonato(3-)][1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphtholato(2-)]Chromate(2-) CAS NO 84145-95-9
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CAS No.:84145-95-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Disodium [2-Hydroxy-3-[(2-Hydroxy-1-Naphthyl)Azo]-5-Nitrobenzene-1-Sulphonato(3-)][1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphtholato(2-)]Chromate(2-) is a high-purity, complex chromium azo dye compound valued for its intense color and stability. This product is essential for industries requiring precise and durable colorants for specialized applications. It is primarily utilized by manufacturers in the pigments, advanced coatings, and specialty inks sectors.
Application
- High-Performance Pigments: Used as a key component in the formulation of organic pigments for plastics, masterbatches, and synthetic fibers.
- Industrial Coatings: Imparts color and UV stability to coatings for automotive, aerospace, and industrial equipment.
- Specialty Inks: Employed in the production of security inks, high-quality printing inks, and color filters for electronic displays.
- Research & Development: Serves as a standard or intermediate in chemical research, particularly in the synthesis of novel coordination compounds and dyes.
- Advanced Materials: Potential applications in the development of functional materials, including sensors and light-absorbing layers.
Basic Information
| Product Name | Disodium [2-Hydroxy-3-[(2-Hydroxy-1-Naphthyl)Azo]-5-Nitrobenzene-1-Sulphonato(3-)][1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphtholato(2-)]Chromate(2-) |
| CAS No. | 84145-95-9 |
| Molecular Formula | C34H18CrN6Na2O12S |
| Molecular Weight | 832.59 g/mol |
| Synonyms | Chromium Complex Brown; C.I. Pigment Brown 29; Disodium 3-hydroxy-4-[(E)-[1-[(E)-(2-hydroxy-4-nitrophenyl)diazenyl]-2-naphtholato(2-)-κO1]-(2-hydroxy-5-nitro-3-sulfonatophenyl)diazenyl-κN2]naphthalene-1-olate(1-)-κO1]chromate(2-); 84145-95-9; Chromium azo brown complex; Pigment Brown 29 (C.I. 71129); Azo chromium complex dye |
| EINECS | Contact for details |
Quality Control
Our Disodium [2-Hydroxy-3-[(2-Hydroxy-1-Naphthyl)Azo]-5-Nitrobenzene-1-Sulphonato(3-)][1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphtholato(2-)]Chromate(2-) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and performance. Certificates of Analysis (COA) detailing key specifications are provided to guarantee compliance with your technical requirements.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.
Specification
| Item | Specification |
|---|---|
| Appearance | Brown to dark brown powder |
| Identification (IR) | Conforms to standard |
| Assay (HPLC) | ≥ 95.0% |
| Loss on Drying | ≤ 2.0% |
| Sulfated Ash | ≤ 20.0% |
| Heavy Metals (as Pb) | ≤ 20 ppm |
| Chromium Content | Reported on COA |
| Solubility | Slightly soluble in water |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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