Description

Solvent Black 7 is a high-purity, solvent-soluble black dye widely used in industrial applications. Its primary value lies in providing deep, consistent coloration with excellent solubility in a range of organic solvents, ensuring reliable performance in demanding formulations. This product is essential for manufacturers in the plastics, inks, coatings, and specialty chemical industries seeking durable and stable black pigmentation. The compound is supplied under strict quality control to meet the exacting standards of global B2B customers.

Application

• Coloration of plastics and polymers, including polystyrene, ABS, and polycarbonate.
• Manufacturing of printing inks, particularly for flexographic and gravure applications.
• Pigmentation for wood stains, leather finishes, and other specialty coatings.
• Dyeing of synthetic fibers and textiles in non-aqueous systems.
• Production of colored waxes, polishes, and automotive care products.
• As a colorant in the formulation of permanent markers and writing instruments.
• Used in the coloration of fuel and lubricants for identification purposes.
• Potential use in research and development for analytical chemistry applications.

Basic Information

Product Name	Solvent Black 7
CAS No.	8005-02-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Solvent Black 7; C.I. Solvent Black 7; Fat Black HB; Spirit Black SB; Oil Black; Nigrosine Spirit Soluble; Aniline Black Spirit Soluble; C.I. 50415
EINECS	Contact for details

Quality Control

Our Solvent Black 7 is manufactured under a rigorous quality management system to ensure batch-to-batch consistency and performance. Quality parameters are verified through a series of analytical tests to meet industry specifications. A Certificate of Analysis (COA) detailing purity, strength, and physical properties is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Ensure the container is kept tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Black powder or granules
Identification (IR)	Conforms to standard
Assay (Color Strength)	100% ± 3% (vs. Standard)
Solubility (in Toluene)	Complete, clear solution
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size (Typical)	Passes through 80 mesh

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