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HS Code |
303650 |
| Commonname | Solvent Black 28 |
| Synonyms | Nigrosin Oil Soluble, C.I. 26150 |
| Chemicalformula | C32H24N6Na4O14S4 |
| Casnumber | 12237-22-8 |
| Physicalappearance | Dark brown to black powder |
| Molecularweight | 878.84 g/mol |
| Solubility | Soluble in oils, insoluble in water |
| Meltingpoint | Approximately 110°C |
| Dyetype | Azo dye |
| Application | Used for coloring oils, waxes, and plastics |
| Colorindexnumber | C.I. Solvent Black 28 |
As an accredited Solvent Black 28 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 500g package of Solvent Black 28 features a sealed, amber HDPE bottle with a clear hazard label and product specifications. |
| Shipping | Solvent Black 28 is shipped as a powdered or granulated dye, typically in sealed, airtight containers or drums to prevent moisture absorption and spillage. The packaging should comply with relevant safety and transport regulations for chemicals, including labeling for environmental hazards. Handle with care, avoiding exposure to heat and ignition sources. |
| Storage | Solvent Black 28 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect from moisture and direct sunlight. Ensure the storage area is equipped with appropriate spill containment and that personnel handling the chemical use suitable personal protective equipment. |
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Purity 98%: Solvent Black 28 with 98% purity is used in industrial lubricant coloring, where it ensures uniform color distribution and high tinting strength. Melting Point 135°C: Solvent Black 28 with a melting point of 135°C is used in plastics processing, where it provides thermal stability and consistent coloration during extrusion. Particle Size <5 μm: Solvent Black 28 with particle size less than 5 μm is used in inkjet ink formulation, where it enables smooth dispersion and fine print resolution. Light Fastness Grade 6: Solvent Black 28 with light fastness grade 6 is used in leather finishing applications, where it ensures long-lasting color retention under UV exposure. Oil Solubility 10 g/L: Solvent Black 28 with oil solubility of 10 g/L is used in hydrocarbon solvent-based paints, where it delivers high solubility and intense blackness. Thermal Stability up to 180°C: Solvent Black 28 with thermal stability up to 180°C is used in hot-melt adhesives, where it maintains color integrity during application at elevated temperatures. Moisture Content <0.5%: Solvent Black 28 with moisture content below 0.5% is used in printing ink production, where it prevents clumping and promotes stable ink dispersion. High Tinting Strength: Solvent Black 28 with high tinting strength is used in wood stain formulations, where it achieves deep coloration with lower pigment loading. |
Competitive Solvent Black 28 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
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