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HS Code |
587745 |
| Cas Number | 633-03-4 |
| Molecular Formula | C37H34N2Na2O10S3 |
| Molar Mass | 822.85 g/mol |
| Appearance | Green powder |
| Solubility | Soluble in water |
| Melting Point | Decomposes |
| Iupac Name | Disodium 3,3'-[(4,4'-biphenylene)bis(azo)]bis(4-hydroxybenzenesulfonic acid) |
| Color Index Number | Direct Green 1 (C.I. 30290) |
| Application | Textile dye |
| Stability | Stable under normal conditions |
As an accredited Direct Green B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Green B features a sealed 25 kg fiber drum, labeled with product details, hazard symbols, and handling instructions. |
| Shipping | Direct Green B should be shipped in tightly sealed containers, labeled clearly as a dye chemical. It must be kept dry, protected from direct sunlight, heat, and incompatible substances. Handle with appropriate safety measures, avoiding spills and exposure. Follow local regulations for the transport of chemicals to ensure safe and compliant delivery. |
| Storage | Direct Green B should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the chemical away from incompatible substances such as strong oxidizers. Use corrosion-resistant containers, and ensure that storage areas are clearly labeled and restricted to trained personnel. Handle using appropriate personal protective equipment. |
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Purity 98%: Direct Green B with purity 98% is used in textile dyeing processes, where it provides high color uniformity and vibrant shade consistency. Molecular weight 700 g/mol: Direct Green B with molecular weight 700 g/mol is used in paper coloring applications, where it ensures deep penetration and lasting coloration. pH stability 6-8: Direct Green B with pH stability of 6-8 is used in cotton fabric dyeing, where it maintains dye integrity and prevents color fading under neutral conditions. Solubility in water 60 g/L: Direct Green B with solubility in water of 60 g/L is used in liquid ink formulations, where it enables rapid dissolution and homogeneous mixture. Melting point 220°C: Direct Green B with a melting point of 220°C is used in high-temperature printing, where it resists thermal degradation and preserves color intensity. Particle size 5 microns: Direct Green B with particle size of 5 microns is used in aqueous dispersion systems, where it provides smooth application and minimizes sedimentation. Lightfastness grade 5: Direct Green B with lightfastness grade 5 is used in outdoor signage printing, where it delivers excellent durability and prolonged color retention under sunlight exposure. Stability temperature 90°C: Direct Green B with stability temperature of 90°C is used in hot-melt dyeing applications, where it maintains structural integrity and continuous color quality. Viscosity 1.2 mPa·s: Direct Green B with viscosity of 1.2 mPa·s is used in inkjet ink formulations, where it allows precise droplet formation and reduces print head clogging. Ash content 0.3%: Direct Green B with ash content of 0.3% is used in pharmaceutical coatings, where it ensures minimal residue and purity of the final product. |
Competitive Direct Green B 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!
