Description

Propyl Astra Blue CAS NO 123510-93-0 is a synthetic organic dye belonging to the triarylmethane class, valued for its intense and stable blue coloration. This compound is engineered for applications requiring high tinctorial strength and compatibility with various substrates. It serves as a critical component for manufacturers in the textile, ink, and specialty coatings industries seeking reliable and vibrant blue pigments.

Application

• Textile Dyeing: Used for coloring synthetic and natural fibers, providing excellent wash and light fastness.
• Ink Formulation: A key pigment in the production of printing inks for packaging, publications, and security applications.
• Industrial Coatings: Imparts color to paints, lacquers, and polymer coatings for plastics and metals.
• Paper Coloring: Employed in the surface treatment and mass coloration of specialty papers.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Leather Finishing: Used in dyes and finishes for leather goods to achieve consistent blue shades.

Basic Information

Product Name	Propyl Astra Blue
CAS No.	123510-93-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Astra Blue Propyl; C.I. Solvent Blue 59 (related class); Propyl Astra Blue Dye; Triarylmethane Blue Dye; Basic Blue Dye Derivative; Astra Blue Propyl Ester; [4-(Diethylamino)phenyl][4-(ethylamino)-1-naphthyl]methylium salt derivative (example IUPAC-type).
EINECS	Contact for details

Quality Control

Our Propyl Astra Blue is produced under a rigorous quality management system. Each batch is tested to ensure it meets stringent specifications for color strength, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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 incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark Blue Powder or Crystals
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 5% (vs. Standard)
Loss on Drying	Max. 2.0%
Ash Content	Max. 1.0%
Solubility	Soluble in common organic solvents

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