Description

Solvent Black 7 is a high-performance solvent dye known for its intense color strength and excellent solubility in non-polar organic media. This product is critical for achieving deep, consistent coloration in industrial applications where lightfastness and chemical stability are paramount. It is primarily utilized by manufacturers in the plastics, inks, and coatings industries seeking reliable and efficient pigmentation solutions.

Application

• Plastics Coloring: A key colorant for mass coloration of various polymers, including polystyrene, ABS, and polycarbonate.
• Ink Formulation: Used in the production of printing inks, particularly for flexographic and gravure applications, offering good printability.
• Industrial Coatings: Imparts durable color to lacquers, wood stains, and other solvent-based coating systems.
• Wax and Polishes: Employed to color shoe polishes, automotive waxes, and other specialty wax-based products.
• Office Supplies: A pigment source for permanent markers, stamp pad inks, and other stationery items.
• Specialty Fluids: Used for coloring lubricants, greases, and other functional fluids for identification purposes.

Basic Information

Product Name	Solvent Black 7
CAS No.	74499-45-9
Molecular Formula	C29H27N5
Molecular Weight	445.56 g/mol
Synonyms	C.I. Solvent Black 7; Oil Black 860; Aizen Spilon Black C-SHR; Ceres Black BB; Sudan Black B; 1-[[4-(Phenylazo)phenyl]azo]-2-naphthalenol; 1-[(E)-[4-[(E)-Phenyldiazenyl]phenyl]diazenyl]naphthalen-2-ol
EINECS	Contact for details

Quality Control

Our Solvent Black 7 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. While specific grades may vary, our standard industrial grade meets rigorous internal specifications for color value, solubility, and purity. A comprehensive Certificate of Analysis (COA) detailing assay, strength, and impurity profiles is provided with every 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.

Specification

Item	Specification
Appearance	Black powder or granules
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Solubility (in Toluene)	Complete, clear solution
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%

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