Products Description
What is Pigment Red 21 Organic pigment for coatings CAS 6410-26-0 ?
Pigment Red 21 (CAS No. 6410-26-0) is a monoazo organic pigment with the chemical name 4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl-2-naphthamide, molecular formula C₂₃H₁₆ClN₃O₂, and molecular weight 399.85.
The Pigment Red 21 pure product is a bright yellow-red powder with approximately 1.31 g/cm³ density, strong tinting power, and excellent resistance to light, acids, and alkalis.
Basic Info
Pigment Red 21 Organic pigment for coatings CAS 6410-26-0
| CAS Number | 6410-26-0 |
| EINECS Number | 229-096-4 |
| Chemical Formula | C₂₃H₁₆ClN₃O₂ |
| Molecular Weight | 401.85 g/mol |
| Density | 1.311 g/cm³ |
| Boiling Point | 566.1 ± 50.0 °C (Predicted) |
| Refractive Index | 1.665 |
| Acidity Coefficient | 10.63 ± 0.50 (Predicted) |
| Storage Conditions | Room Temperature |
Uses
Coatings: Organic pigment Pigment Red 21 is used in red enamels, latex paints, and powder coatings for coloring surfaces such as metal and wood.
Inks: It is suitable for water-based and solvent-based inks (e.g., gravure printing), especially in scenarios requiring high color strength and light resistance.
Plastics: The pigment is applied in coloring plastic products like PVC, PP, and PE, offering excellent migration and dispersibility.
Safety Information
Pigment Red 21 Powder is generally not harmful to the human body under normal conditions of use.
However, during the preparation process, harmful gases or vapors may be generated, which need to be properly controlled and handled.
When using, relevant regulations and safe operating procedures should be followed, and the official safety data sheet should be referred to.
Company Profile
Gneebio is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our reagent products are widely exported to many countries including the United States, Russia, Canada, Australia, Europe, etc., and we provide fast shipping services to our customers. We hope to establish long-term and mutually beneficial cooperation with more friends in the future and provide the best products and services for our customers.
Contact Us
Tel: +86-372-5055135
Mob: +86-13673325456
Email: sales@gneebio.com
FAQ
What is the strength of your company?
Established in 2014, we have more than 10 years of experience in chemical industry, and we can provide more than 10,000 kinds of APIs, intermediates, reagents and dyes, which enjoys a high reputation in the industry.
What is your MOQ?
For high value products, our MOQ is 1 gram, usually 10 grams. For other low-priced products, our MOQ is 100 grams and 1 kilogram.
How do you handle quality complaints?
First of all, our quality control reduces quality problems to close to zero. If the quality problem is caused by us, we will replace the goods or refund your loss for free.
How long is the delivery time?
Small quantities of goods will be sent out within 3 working days. For bulk goods, we will reserve the space after the order is confirmed. Usually we will arrange the shipment within 7-15 days.
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