Description

Solvent Brown 5 is a synthetic organic dye belonging to the solvent dye class, characterized by its excellent solubility in non-polar organic media. This product is valued for its strong tinctorial strength and good lightfastness, providing consistent and durable coloration. It is primarily used in industrial applications where stable, non-polar colorants are required, serving sectors such as plastics, inks, and specialty coatings.

Application

• Coloration of hydrocarbon-based fuels and lubricants for identification and branding purposes.
• Mass coloration of plastics and synthetic fibers, particularly polystyrene, ABS, and polycarbonate.
• Manufacturing of printing inks, especially for specialty applications requiring oil solubility.
• Staining and marking of wood finishes, varnishes, and other solvent-based coatings.
• Production of colored waxes, polishes, and other maintenance chemicals.
• As a colorant in the formulation of certain specialty adhesives and sealants.

Basic Information

Product Name	Solvent Brown 5
CAS No.	2653-72-7
Molecular Formula	C22H16N4O4
Molecular Weight	400.39 g/mol
Synonyms	Solvent Brown 5; C.I. 12195; Oil Brown 5G; Sudan Brown 5G; C.I. Solvent Brown 5; 1-[[4-(Phenylazo)phenyl]azo]-2-naphthalenol; Ceres Brown G; Fat Brown G
EINECS	220-179-6

Quality Control

Our Solvent Brown 5 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against stringent internal specifications for key parameters including color strength, solubility, and purity. A Certificate of Analysis (COA) detailing these results 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	Brown powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Solubility (in Toluene)	Complete, clear solution
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Metal Content (as Pb)	≤ 20 ppm

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