Description

C.I. Solvent Blue 44 is a high-performance anthraquinone-based solvent dye known for its excellent solubility in organic media and brilliant blue shade. This product is valued for its strong tinctorial strength, good lightfastness, and thermal stability, making it a reliable colorant for demanding industrial applications. It is primarily used by manufacturers in the plastics, synthetic fibers, and specialty ink industries seeking consistent and vibrant coloration.

Application

• Coloration of engineering plastics such as ABS, polystyrene, and polycarbonate.
• Mass dyeing of synthetic fibers, including polyester and acetate.
• Manufacturing of specialty inks for printing and marking applications.
• Coloring of waxes, lubricants, and hydrocarbon-based fuels.
• Staining and tinting of wood stains and coatings.
• Production of colored transparent films and sheets.
• As a color filter dye in optical applications.

Basic Information

Product Name	C.I. Solvent Blue 44
CAS No.	61725-69-7
Molecular Formula	C20H18N2O2
Molecular Weight	318.37 g/mol
Synonyms	Solvent Blue 44; 1,4-Bis(butylamino)anthraquinone; 1,4-Bis(n-butylamino)anthraquinone; C.I. 61515; Oil Blue B; Waxoline Blue AP-FW; Macrolex Blue RR; Ceres Blue GN; Thermoplast Blue 684
EINECS	262-964-7

Quality Control

Our C.I. Solvent Blue 44 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous internal specifications for color strength, hue, solubility, and purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties 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 heat sources and incompatible materials. Under these conditions, the product has excellent shelf stability.

Specification

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

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