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HS Code |
186120 |
| Name | Sulfur Black 1 |
| Cas Number | 1326-82-5 |
| Molecular Formula | C28H14N2Na2O6S2 |
| Molecular Weight | 618.63 g/mol |
| Appearance | Black powder or granules |
| Solubility | Insoluble in water, soluble in sodium sulfide solution |
| Dye Class | Sulfur dye |
| Melting Point | Decomposes before melting |
| Application | Textile dyeing (primarily cotton and viscose) |
| Light Fastness | Good |
As an accredited Sulfur Black 1 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Sulfur Black 1 consists of a durable 25 kg woven bag, clearly labeled with product name, batch number, and safety warnings. |
| Shipping | Sulfur Black 1 is shipped as a powder or granule in sealed, moisture-proof containers, compliant with international regulations. It is classified as a non-dangerous good for transport, but should be handled with care to avoid dust formation. Proper labeling and documentation are required, ensuring safe and secure delivery. |
| Storage | Sulfur Black 1 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from heat, direct sunlight, and incompatible substances such as strong oxidizers and acids. The storage area should be equipped to avoid moisture and prevent dust formation. Containers must be clearly labeled, and access should be restricted to authorized personnel only. |
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Purity 98%: Sulfur Black 1 with 98% purity is used in denim fabric dyeing, where it provides deep color intensity and uniform shade. Particle Size 25 μm: Sulfur Black 1 with 25 μm particle size is used in textile padding applications, where it ensures rapid dispersion and even coating. Stability Temperature 120°C: Sulfur Black 1 stable at 120°C is used in continuous dyeing processes, where it guarantees color retention and thermal resistance. pH Range 8-10: Sulfur Black 1 formulated for pH 8-10 is used in exhaust dyeing methods, where it promotes optimal dye fixation and minimizes fabric damage. Water Solubility Low: Sulfur Black 1 with low water solubility is used in yarn dyeing, where it ensures sharp color boundaries and reduces migration. Melting Point 220°C: Sulfur Black 1 with a melting point of 220°C is used in high-temperature dye baths, where it maintains structural integrity. Strength Index 110%: Sulfur Black 1 with 110% color strength index is used in garment dyeing, where it enables high dye uptake and vivid shades. Moisture Content ≤1%: Sulfur Black 1 with moisture content under 1% is used in powder dispensing systems, where it facilitates consistent dosing and flowability. Dispersibility High: Sulfur Black 1 with high dispersibility is used in liquor circulation dyeing, where it ensures smooth application and color homogeneity. Light Fastness Grade 5: Sulfur Black 1 with light fastness grade 5 is used in outdoor textile manufacturing, where it delivers lasting colorfastness. |
Competitive Sulfur Black 1 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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