Description

Solvent Blue 4 is a synthetic anthraquinone derivative dye known for its excellent solubility in non-polar organic solvents and its vibrant blue color. This product is valued for its strong tinting strength, good lightfastness, and stability in various chemical environments, making it a reliable colorant for demanding industrial applications. It is primarily sought after by manufacturers in the plastics, ink, and specialty coatings industries who require consistent, high-performance coloration for their products.

Application

• Coloration of plastics, including polystyrene, ABS, and polycarbonate.
• Manufacturing of printing inks, particularly for specialty and security applications.
• Pigmentation for industrial coatings and wood stains.
• Dyeing of synthetic fibers and waxes.
• Production of colored pencils and artist's materials.
• As a color filter or additive in optical applications.

Basic Information

Product Name	Solvent Blue 4
CAS No.	1325-91-3
Molecular Formula	C₂₀H₂₄N₂O₂
Molecular Weight	324.42 g/mol
Synonyms	1,4-Bis(butylamino)anthraquinone; C.I. Solvent Blue 4; Waxoline Blue AP-FW; Macrolex Blue RR; Ceres Blue GN; Oil Blue AP; 1,4-Bis(n-butylamino)-9,10-anthracenedione; Anthraquinone Blue AP
EINECS	215-376-5

Quality Control

Our Solvent Blue 4 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against established specifications for critical parameters including color strength, hue, and solubility. A comprehensive Certificate of Analysis (COA) detailing the results of these tests 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

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

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