Description

Solvent Blue 5 is a synthetic anthraquinone-based dye renowned for its vibrant blue color and excellent solubility in a wide range of organic solvents. This high-performance colorant is engineered to deliver consistent, intense coloration and superior stability in demanding industrial formulations. It is a critical component for manufacturers in the plastics, ink, and coatings industries seeking reliable and efficient blue pigments for their products.

Application

• Primary colorant for polystyrene (PS), acrylics (PMMA), and other engineering plastics.
• Manufacturing of printing inks, including flexographic and gravure inks for packaging.
• Coloration of industrial coatings, lacquers, and wood stains.
• Dyeing of hydrocarbon-based fuels and lubricants for identification purposes.
• Staining agent for microscopy and biological applications in non-aqueous systems.
• Coloring agent for specialty waxes, polishes, and cleaning products.

Basic Information

Product Name	Solvent Blue 5
CAS No.	1325-86-6
Molecular Formula	C₂₂H₁₆N₂O₂
Molecular Weight	340.38 g/mol
Synonyms	1,4-Bis(butylamino)anthraquinone; C.I. Solvent Blue 5; 1,4-Bis(n-butylamino)anthraquinone; Anthraquinone Blue B; Waxoline Blue AP-FW; Macrolex Blue RR; Ceres Blue GN; Oil Blue B; Butyl Blue
EINECS	215-376-0

Quality Control

Our Solvent Blue 5 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against rigorous internal specifications for color strength, purity, and solubility. A comprehensive Certificate of Analysis (COA) detailing assay, identification, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark blue powder or crystals
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 3% (vs. Standard)
Solubility (in Toluene)	Complete, clear solution
Moisture (KF)	≤ 0.5%
Ash Content	≤ 0.2%

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