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HS Code |
718805 |
| Chemical Name | Acid Nigrosine |
| Synonyms | C.I. 50415, Acid Black 2 |
| Cas Number | 8005-03-6 |
| Appearance | Black powder |
| Solubility In Water | Soluble |
| Molecular Formula | C36H27N3Na2O7S2 (generalized) |
| Ph 1 Solution | Approximately 6-7 |
| Odor | Odorless |
| Molar Mass | 689.73 g/mol (approximate, varies with manufacturer) |
| Storage Conditions | Store in a tightly closed container, away from light and moisture |
| Primary Use | Biological stains and textile dyeing |
As an accredited Acid Nigrosine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Nigrosine is securely packed in a 100g amber glass bottle with a tightly sealed screw cap and clear hazard labeling. |
| Shipping | **Acid Nigrosine** should be shipped in tightly sealed containers, away from incompatible substances and moisture. It must be handled according to hazardous chemical regulations, with proper labeling and documentation. Transport should comply with relevant local and international guidelines, ensuring safety for handlers and preventing environmental contamination during transit. |
| Storage | Acid Nigrosine should be stored in a tightly sealed container away from moisture, heat, and direct sunlight. Keep it in a cool, dry, and well-ventilated area, separate from incompatible substances such as strong oxidizers and acids. Label the container clearly, and ensure that the storage area is accessible only to authorized personnel familiar with proper chemical handling procedures. |
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Purity 98%: Acid Nigrosine with 98% purity is used in textile dyeing applications, where it ensures uniform shade depth and high colorfastness. Molecular Weight 637.74 g/mol: Acid Nigrosine of molecular weight 637.74 g/mol is used in microscopy staining, where it provides precise cellular structure contrast. Particle Size <5 microns: Acid Nigrosine with particle size less than 5 microns is used in ink manufacturing, where it delivers consistent dispersion and sharp print clarity. Melting Point 138°C: Acid Nigrosine with a melting point of 138°C is used in hot melt coloring processes, where it facilitates stable thermal performance. Solubility in Water 50 g/L: Acid Nigrosine with water solubility of 50 g/L is used in aqueous marker inks, where it provides vivid and reliable coloration. pH Stability Range 2–6: Acid Nigrosine stable in pH range 2–6 is used in laboratory staining protocols, where it maintains consistent dye performance under acidic conditions. Light Fastness Grade 6: Acid Nigrosine with light fastness grade 6 is used in automotive upholstery dyes, where it resists fading under UV exposure. Stability Temperature 80°C: Acid Nigrosine stable up to 80°C is used in high-temperature printing processes, where it ensures color integrity during thermal curing. Ash Content <1%: Acid Nigrosine with ash content less than 1% is used in high-purity inkjet formulations, where it reduces printhead clogging and improves reliability. Viscosity Grade Low: Acid Nigrosine of low viscosity grade is used in water-based pen inks, where it enables smooth ink flow and consistent writing quality. |
Competitive Acid 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!
