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HS Code |
234571 |
| Chemicalname | Pigment Red 21 |
| Casnumber | 6368-72-5 |
| Ecnumber | 228-767-9 |
| Molecularformula | C16H10Cl2N2O2 |
| Molecularweight | 333.17 g/mol |
| Colorindexnumber | 12330 |
| Appearance | Red powder |
| Lightfastness | Moderate |
| Meltingpoint | Over 300°C (decomposes) |
| Solubility | Insoluble in water |
| Density | 1.5-1.7 g/cm³ |
| Uses | Paints, inks, plastics, coatings |
As an accredited Pigment Red 21 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Pigment Red 21 is packaged in a 25 kg sealed fiber drum with inner polyethylene lining, labeled with product and safety information. |
| Shipping | Pigment Red 21 should be shipped in tightly sealed containers, clearly labeled and protected from moisture and sunlight. Transport in compliance with local and international regulations for non-hazardous chemical substances. Avoid extreme temperatures and physical impacts during transit to maintain product integrity and prevent spillage or contamination. |
| Storage | Pigment Red 21 should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect it from heat, moisture, and direct sunlight. Ensure proper labeling and keep away from food and drink. Follow all safety instructions and local regulations regarding hazardous materials storage. |
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Purity 98%: Pigment Red 21 with 98% purity is used in automotive coatings, where it ensures vibrant color strength and consistent gloss. Particle size D50 1.2 µm: Pigment Red 21 with particle size D50 1.2 µm is used in high-end printing inks, where it delivers optimal dispersion and smooth print quality. Lightfastness grade 4: Pigment Red 21 with lightfastness grade 4 is used in exterior plastics, where it provides superior resistance to fading under sunlight. Oil absorption 48 g/100g: Pigment Red 21 with oil absorption 48 g/100g is used in architectural paints, where it supports excellent pigment wetting and uniform texture. Stability temperature 180°C: Pigment Red 21 with a stability temperature of 180°C is used in polymer compounding, where it maintains color stability during high-temperature processing. Milling fineness <10 µm: Pigment Red 21 with milling fineness below 10 µm is used in cosmetic formulations, where it enables a smooth, even shade for quality finishes. Heat resistance up to 140°C: Pigment Red 21 with heat resistance up to 140°C is used in textile dyeing, where it ensures color retention after repeated washing and ironing. Low volatile content <0.2%: Pigment Red 21 with low volatile content less than 0.2% is used in toy manufacturing, where it minimizes emissions and enhances product safety. Moisture content <0.5%: Pigment Red 21 with moisture content below 0.5% is used in water-based coatings, where it prevents clumping and improves storage stability. pH value 6.5–7.5: Pigment Red 21 with pH value between 6.5 and 7.5 is used in paper coatings, where it supports neutral pH compatibility and reduces risk of material degradation. |
Competitive Pigment Red 21 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
Flexible payment, competitive price, premium service - Inquire now!
