Description

C. I. Solvent Blue 49 is a high-performance, oil-soluble anthraquinone dye widely recognized for its excellent solubility and stability in non-polar media. This compound is valued for its ability to impart a strong, clear blue coloration to a variety of industrial materials, ensuring consistent batch-to-batch performance. It is an essential component for manufacturers in the plastics, ink, and specialty coatings sectors seeking reliable and vibrant pigmentation.

Application

• Primary coloring agent for polymers and plastics, including polystyrene, ABS, and polycarbonate.
• Formulation of printing inks, especially for specialty and security printing applications.
• Solvent-based industrial coatings and paints for metals and other substrates.
• Coloration of fuels, lubricants, and waxes for identification and branding purposes.
• Manufacturing of colored pencils, crayons, and artist's materials.
• Staining and marking applications in technical and laboratory environments.

Basic Information

Product Name	C. I. Solvent Blue 49
CAS No.	52218-73-2
Molecular Formula	C20H18N2O2
Molecular Weight	318.37 g/mol
Synonyms	Solvent Blue 49; 1,4-Bis(butylamino)anthraquinone; 1,4-Bis(n-butylamino)anthraquinone; Ceres Blue GN; Oil Blue B; Arlamol Blue B; Sudan Blue 670; C.I. 61552
EINECS	257-778-7

Quality Control

Our C. I. Solvent Blue 49 is manufactured under a strict quality management system to ensure consistent purity and performance. Each batch is analyzed against stringent in-house specifications, with key parameters including color strength, solubility, and thermal stability verified. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee traceability and compliance with your formulation 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	Dark blue powder or crystals
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 3%
Solubility (in Toluene)	Complete, clear solution
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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