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HS Code |
924966 |
| Chemical Name | Nigrosine |
| Alternative Names | C.I. 50415, Nigrosin |
| Appearance | Black powder |
| Solubility | Soluble in water and alcohol |
| Chemical Class | Azo dye |
| Molecular Formula | C22H16N6Na2O9S2 |
| Cas Number | 8005-03-6 |
| Molar Mass | 728.52 g/mol |
| Main Use | Biological staining and as a colorant |
| Melting Point | Decomposes |
| Odor | Odorless |
| Storage Conditions | Store in a tightly closed container, dry and cool place |
| Toxicity | May be harmful if inhaled or ingested |
As an accredited Nigrosine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Nigrosine is packaged in a sturdy, amber glass bottle containing 100 grams, labeled with hazard warnings and chemical identification details. |
| Shipping | Nigrosine is shipped as a non-hazardous dye in tightly sealed, clearly labeled containers to prevent moisture exposure and contamination. Packaging follows local regulations, with safety data sheets included. During transit, it is kept away from foodstuffs and incompatible substances, ensuring safety for handlers and compliance with transport standards. |
| Storage | Nigrosine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers. Avoid exposure to moisture and sources of ignition. Clearly label the container and keep it away from food and drink. Follow all local and institutional chemical storage regulations for safety. |
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Purity 98%: Nigrosine with 98% purity is used in leather dyeing, where it provides deep black coloration with excellent wash fastness. Particle size ≤ 5 µm: Nigrosine with particle size ≤ 5 µm is used in ink manufacturing, where it ensures smooth dispersion and uniform print quality. Solubility in ethanol 15 g/L: Nigrosine with solubility in ethanol 15 g/L is used in spirit-based marker inks, where it enables brilliant color strength and clarity. Melting point 180°C: Nigrosine with a melting point of 180°C is used in plastic coloration, where it delivers high thermal stability during processing. Viscosity grade low: Nigrosine of low viscosity grade is used in pen inks, where it permits easy flow and consistent writing performance. Stability temperature up to 150°C: Nigrosine with stability temperature up to 150°C is used in cable insulation applications, where it maintains color integrity under thermal stress. Molecular weight 700 g/mol: Nigrosine with a molecular weight of 700 g/mol is used in textile printing, where it achieves optimal fabric penetration and vivid color development. |
Competitive Nigrosine 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!
