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HS Code |
709601 |
| Name | Acid Black 2 |
| Chemical Formula | C20H13N5Na2O8S2 |
| Cas Number | 1064-48-8 |
| Other Names | Naphthol Black; Acid Black 2; Food Black 1 |
| Appearance | Black powder |
| Solubility | Soluble in water |
| Molecular Weight | 567.46 g/mol |
| Color Index Number | CI 50420 |
| Melting Point | Decomposes |
| Application | Dyeing wool, silk, leather, paper, inks |
| Ph 1 Solution | Approximately 6-8 |
| Light Fastness | Moderate |
| Stability | Stable under normal conditions |
As an accredited Acid Black 2 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Black 2 is packaged in 25 kg blue HDPE drums, labeled with product, hazard symbols, and handling instructions. |
| Shipping | Acid Black 2 is typically shipped in tightly sealed, moisture-proof containers such as fiber drums, plastic drums, or bags to prevent contamination and moisture absorption. The packaging is clearly labeled according to regulatory standards and handled with care to avoid spillage. Store and transport the product in cool, dry conditions. |
| Storage | Acid Black 2 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and clearly labeled. Store away from incompatible materials such as strong oxidizing agents and acids. Use corrosion-resistant containers or tanks, and ensure good spill containment to prevent environmental contamination or personal exposure. |
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Purity 98%: Acid Black 2 with 98% purity is used in leather dyeing, where enhanced color uniformity and depth are achieved. Molecular Weight 616.49 g/mol: Acid Black 2 of molecular weight 616.49 g/mol is applied in textile printing, where consistent chromatic strength and shade reproducibility are ensured. pH Stability 2–6: Acid Black 2 with pH stability from 2 to 6 is utilized in wool yarn dyeing, where color fastness and stability under acidic conditions are maintained. Particle Size <10 μm: Acid Black 2 with particle size below 10 μm is used in aqueous ink formulations, where dispersion stability and minimal sedimentation are provided. Water Solubility 50 g/L (20°C): Acid Black 2 exhibiting 50 g/L water solubility at 20°C is incorporated in paper coloring, where vivid coloration and rapid dissolution facilitate uniform application. Light Fastness Grade 5: Acid Black 2 with light fastness grade 5 is employed in nylon fiber dyeing, where excellent resistance to fading from light exposure is delivered. Melting Point 250°C: Acid Black 2 with a melting point of 250°C is used in synthetic resin coloration, where thermal stability during high-temperature processing is achieved. Stability Temperature 100°C: Acid Black 2 stable up to 100°C is used in marker ink manufacturing, where reliable performance in elevated temperature conditions is ensured. |
Competitive Acid Black 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!
