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disodium [3-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonato(3-)][1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato(2-)]chromate(2-) CAS NO 70236-62-3
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CAS No.:70236-62-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Disodium [3-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonato(3-)][1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato(2-)]chromate(2-) is a high-performance, complex chromium-based azo dye. This compound matters for its ability to provide intense and durable coloration in demanding industrial applications. It is primarily needed by manufacturers in the pigments, inks, and specialty coatings sectors seeking stable colorants for high-quality products.
Application
- Primary use as a high-grade pigment for industrial paints and coatings.
- Formulation of specialty printing inks requiring excellent lightfastness and chemical resistance.
- Coloration of plastics and synthetic polymers where thermal stability is crucial.
- Manufacturing of colored lacquers and finishes for automotive and decorative applications.
- Potential use in the production of security inks and dyes due to its complex structure.
- As a colorant for artist-grade paints and inks demanding pure, vibrant hues.
Basic Information
| Product Name | Disodium [3-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonato(3-)][1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato(2-)]chromate(2-) |
| CAS No. | 70236-62-3 |
| Molecular Formula | C38H22CrN8Na2O11S |
| Molecular Weight | 888.68 g/mol |
| Synonyms | Chromate(2-), disodium [3-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonato(3-)][1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato(2-)]; C.I. Pigment Brown 29; Disodium 5-[(4,5-dihydro-3-methyl-5-oxo-4-[(2-hydroxy-5-nitrophenyl)azo]-1H-pyrazol-1-yl)]benzenesulphonate-3-[1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato]chromate; Complex chromium azo dye brown; Azo chromium complex brown pigment |
| EINECS | Contact for details |
Quality Control
Our production of this complex colorant adheres to strict batch-to-batch consistency protocols. Every lot undergoes rigorous analytical testing to ensure it meets precise specifications for color strength, hue, and purity. Certificates of Analysis (COA) detailing key parameters are provided with each shipment to support your quality assurance processes.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.
Specification
| Item | Specification |
|---|---|
| Appearance | Brown Powder |
| Identification (IR) | Conforms to Standard |
| Assay (HPLC) | ≥ 95.0% |
| Color Strength | 100 ± 5% (vs. Standard) |
| Moisture Content (KF) | ≤ 3.0% |
| Ash Content | ≤ 20.0% |
| Heavy Metals (as Pb) | ≤ 50 ppm |
| Solubility | Practically insoluble in water; soluble in specific organic solvents |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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