Description

C.I. Basic Orange 48 is a synthetic cationic dye belonging to the azo class, widely recognized for its vibrant orange hue and strong affinity for polyacrylonitrile fibers. This compound is valued for its excellent color yield, good lightfastness, and compatibility with modern dyeing processes, making it a critical component for achieving consistent and durable coloration. It is primarily utilized by manufacturers in the textile industry for dyeing acrylic fibers, as well as in the production of specialty papers and inks.

Application

• Textile Dyeing: Primary application for dyeing acrylic fibers, yarns, and fabrics to achieve a bright, wash-fast orange color.
• Paper Coloring: Used in the manufacture of specialty and decorative papers requiring vibrant, non-fading orange tones.
• Ink Formulation: A key pigment for creating orange shades in various ink systems, including for packaging and printing.
• Leather Finishing: Employed in the dyeing of leather goods to provide rich and uniform orange coloration.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Plastics and Polymers: Can be incorporated for the mass coloration of certain plastics and synthetic materials.

Basic Information

Product Name	C.I. Basic Orange 48
CAS No.	12764-81-7
Molecular Formula	C20H21N6O3S+
Molecular Weight	425.48 g/mol
Synonyms	Basic Orange 48; Aizen Cathilon Orange GLH; Astrazon Orange G; Maxilon Orange GRL; Cationic Orange G; 1H-Pyrazolium, 3-methyl-1-[4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl]phenyl]-, methyl sulfate; C.I. 48035; Pyrazolone Orange
EINECS	Contact for details

Quality Control

Our C.I. Basic Orange 48 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, shade, and purity. A Certificate of Analysis (COA) detailing key parameters such as assay, solubility, and ash content is provided with each shipment to guarantee consistency and performance for your industrial applications.

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 strong oxidizing agents and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	Max. 5.0%
Ash Content	Max. 1.0%
Solubility in Water	Clear solution
pH (1% Solution)	5.0 - 7.0

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