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Neutral Brown Rl CAS NO 12238-94-7
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CAS No.:12238-94-7
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Neutral Brown Rl CAS NO 12238-94-7 is a high-performance, synthetic organic dye belonging to the class of azo dyes, valued for its excellent color fastness and stability. This compound is engineered to deliver consistent, vibrant brown shades in demanding industrial applications, ensuring reliable batch-to-batch reproducibility. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking durable and cost-effective coloring solutions.
Application
- Textile Dyeing: For dyeing natural and synthetic fibers, including cotton, wool, and polyamide, to achieve durable brown hues.
- Leather Finishing: Used in the coloring of leather goods such as footwear, bags, and upholstery, providing good penetration and rub fastness.
- Paper Coloration: Imparts color to specialty papers, packaging materials, and decorative papers.
- Wood Staining: Applied in stains and coatings for wood products to enhance aesthetic appeal.
- Ink Formulation: A key pigment component in the manufacture of printing inks for various substrates.
- Plastic Masterbatch: Incorporated into polymer matrices to color plastics for consumer and industrial products.
Basic Information
| Product Name | Neutral Brown Rl |
| CAS No. | 12238-94-7 |
| Molecular Formula | C32H24N12Na4O16S4 |
| Molecular Weight | 1088.90 g/mol |
| Synonyms | Acid Brown RL; C.I. Acid Brown 28; C.I. 14805; Lanasyn Brown RL; Supranol Brown RL; Telon Brown RL; Acid Leather Brown RL; 2,7-Naphthalenedisulfonic acid, 5-[[4-[[2-(aminocarbonyl)phenyl]azo]phenyl]azo]-3-[[4-[[2,4-diaminophenyl]azo]phenyl]azo]-4-hydroxy-, tetrasodium salt |
| EINECS | Contact for details |
Quality Control
Our production of Neutral Brown Rl adheres to stringent quality management protocols to ensure it meets the high standards required for industrial dye applications. Every batch is tested for critical parameters including color strength, shade, solubility, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment to guarantee traceability and consistency.
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 strong oxidizing agents.
Specification
| Item | Specification |
|---|---|
| Appearance | Brown powder |
| Identification (IR) | Conforms |
| Assay (HPLC) | ≥ 95% |
| Moisture Content | ≤ 5.0% |
| Water Solubility | Conforms |
| Ash Content | ≤ 1.0% |
| Heavy Metals (as Pb) | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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