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Chromium, 3-[(4,5-dihydro-3-methyl- 5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulfonamide 4-hydroxy-3-[(2-hydroxy-1- naphthalenyl)azo]benzenesulfonamide sodium complexes CAS NO 72968-20-8
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CAS No.:72968-20-8
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Chromium, 3-[(4,5-dihydro-3-methyl- 5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulfonamide 4-hydroxy-3-[(2-hydroxy-1- naphthalenyl)azo]benzenesulfonamide sodium complexes is a high-performance, complex chromium-based azo dye. This compound is valued for its excellent color fastness, stability, and vibrant hue, making it a critical component in demanding industrial coloration processes. It is primarily sought after by manufacturers in the textile, leather, and specialty ink industries who require durable and consistent pigmentation for their products.
Application
- Textile Dyeing: For coloring natural and synthetic fibers, particularly where high wash and light fastness are required.
- Leather Finishing: Used in the dyeing of leather goods such as upholstery, footwear, and accessories to achieve deep, lasting colors.
- Specialty Inks: Formulation of high-performance inks for packaging, security printing, and other industrial printing applications.
- Pigment Manufacturing: Serves as a key intermediate or component in the production of complex inorganic colorants and pigments.
- Paper Coloration: For specialty papers requiring specific, fade-resistant color properties.
- Research & Development: Utilized in chemical research for developing new dyes, studying coordination chemistry, and material science applications.
Basic Information
| Product Name | Chromium, 3-[(4,5-dihydro-3-methyl- 5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulfonamide 4-hydroxy-3-[(2-hydroxy-1- naphthalenyl)azo]benzenesulfonamide sodium complexes |
| CAS No. | 72968-20-8 |
| Molecular Formula | Contact for details |
| Molecular Weight | Contact for details |
| Synonyms | C.I. Mordant Black 17; Chromium complex of Mordant Black 17; Acid Chrome Black PV; Acid Chrome Black PVS; Neolan Black WA; 1-Naphthol-4-sulfonic acid, 2-hydroxy-5-[(2-hydroxy-1-naphthalenyl)azo]-, chromium complex; Sodium 4-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonate chromium complex |
| EINECS | Contact for details |
Quality Control
Our Chromium complex dye is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including identification (IR), assay (titration), and impurity profile analysis, to ensure it meets precise specifications for color value, strength, and metal content. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance protocols.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. This material is light-sensitive (store away from light).
Specification
| Item | Specification |
|---|---|
| Appearance | Dark powder or granules |
| Identification (IR) | Conforms to standard |
| Assay (Chromium complex content) | Min. 95% |
| Color Strength | 100 ± 5% (vs. Standard) |
| Moisture Content | Max. 5.0% |
| Ash Content | Contact for details |
| Solubility | 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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