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HS Code |
108839 |
| Name | Direct Red 2 |
| Chemical Formula | C32H22N6Na2O8S2 |
| Cas Number | 3530-19-6 |
| Molecular Weight | 722.66 g/mol |
| Appearance | Red powder |
| Solubility In Water | Soluble |
| Melting Point | >300°C (decomposes) |
| Synonyms | Congo Red, C.I. 22120 |
| Dye Class | Azo dye |
| Maximum Absorption Wavelength | 497 nm |
| Ec Number | 222-182-2 |
| Uses | Biological stain, indicator, textile dye |
| Toxicity | Harmful if swallowed |
| Storage Conditions | Store in a cool, dry place, away from light |
| Stability | Stable under recommended storage conditions |
As an accredited Direct Red 2 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Red 2 contains 500 grams of bright red powder, sealed in a labeled, moisture-resistant plastic jar with safety warnings. |
| Shipping | Direct Red 2 should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It must be clearly labeled according to chemical transport regulations. Handle with care to avoid spillage, and store in a cool, dry environment. Ensure packaging complies with local, national, and international shipping regulations for chemicals. |
| Storage | Direct Red 2 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances, such as strong oxidizing agents. The storage area must be protected from moisture and direct sunlight. Proper labeling is essential, and access should be restricted to trained personnel equipped with appropriate personal protective equipment (PPE). |
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Purity 98%: Direct Red 2 with 98% purity is used in textile dyeing applications, where it ensures vibrant and uniform coloration of cotton fabrics. Molecular Weight 697.03 g/mol: Direct Red 2 with a molecular weight of 697.03 g/mol is used in paper tinting processes, where it delivers consistent shading and improved color retention. Particle Size 150 mesh: Direct Red 2 with a particle size of 150 mesh is applied in ink formulations, where it promotes smooth dispersion and stable print quality. Melting Point 300°C: Direct Red 2 with a melting point of 300°C is used in high-temperature plastic coloring, where it maintains color integrity without degradation. Water Solubility 80 g/L: Direct Red 2 with a water solubility of 80 g/L is utilized in water-based paints, where it achieves fast and homogeneous dye dissolution. Stability pH 4-8: Direct Red 2 stable within pH 4-8 is used in leather dyeing operations, where it enhances color fastness under varied processing conditions. Light Fastness Grade 4: Direct Red 2 with light fastness grade 4 is employed in outdoor banner production, where it provides moderate resistance to fading under sunlight. Viscosity 500 cps: Direct Red 2 with a viscosity of 500 cps is used in liquid dye preparations, where it allows ease of application and effective substrate penetration. |
Competitive Direct Red 2 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!
