Description

Solvent Black 3 is a high-purity, solvent-soluble black dye belonging to the azo chemical class. This product is valued for its excellent tinctorial strength, good solubility in a range of organic solvents, and strong colorfastness properties. It is primarily utilized by manufacturers in the plastics, inks, coatings, and specialty chemical industries requiring a deep, stable black coloration.

Application

• Primary coloring agent for plastics and synthetic fibers (e.g., polystyrene, acrylics).
• Formulation of printing inks, including flexographic, gravure, and specialty inks.
• Pigmentation for industrial coatings, lacquers, and wood stains.
• Coloring of waxes, polishes, and fuel markers.
• Dye for ballpoint pen inks and other writing instruments.
• Tinting of adhesives and sealants.
• Coloration of leather finishes and specialty decorative products.

Basic Information

Product Name	Solvent Black 3
CAS No.	4197-25-5
Molecular Formula	C22H16N6O
Molecular Weight	380.40 g/mol
Synonyms	Solvent Black 3; C.I. 26150; Oil Black HBB; Aizen Spilon Black C-HR; Luxol Fast Black L; Ceres Black BB; Sudan Black B; 1-[[4-(Phenylazo)phenyl]azo]-2-naphthol
EINECS	224-082-3

Quality Control

Our Solvent Black 3 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, color strength, and performance. Key parameters such as assay, solubility, and ash content are verified. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Ensure the container is kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Black powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Solubility (in Toluene)	Complete, clear solution
Color Strength	100 ± 3% (vs. Standard)
Ash Content	≤ 0.5%
Moisture Content (KF)	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.