Description

Basic Orange 42 is a synthetic cationic dye belonging to the azo class, widely recognized for its strong affinity to polyacrylonitrile fibers. This product is valued for its excellent color yield and good fastness properties, making it a critical component in industrial dyeing processes. It is primarily used by manufacturers in the textile and leather industries for producing vibrant and durable orange to red shades.

Application

• Textile Dyeing: Primary application for dyeing acrylic, modacrylic, and cationic-dyeable polyester fibers to achieve bright orange hues.
• Leather Coloring: Used in the dyeing of leather goods, providing rich and consistent coloration.
• Paper Staining: Employed as a colorant for specialty papers, including decorative and security papers.
• Ink Manufacturing: A pigment source for certain types of inks, including stamp pad and flexographic inks.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Basic Orange 42
CAS No.	39279-58-8
Molecular Formula	C20H21N6O3S+
Molecular Weight	425.48 g/mol
Synonyms	Basic Orange 42; C.I. 11045; Astrazon Orange G; Aizen Cathilon Orange GLH; Maxilon Orange M-R; 2-[[4-[(2,6-Dichloro-4-nitrophenyl)azo]phenyl]ethylamino]ethanol; 1-Ethanol, 2-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]ethylamino]-
EINECS	254-404-6

Quality Control

Our Basic Orange 42 is manufactured under a strict quality management system. Each batch undergoes rigorous testing to ensure consistent color strength, purity, and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing assay, shade, solubility, and impurity profiles is provided with every shipment to guarantee it meets your specific application 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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to Reddish-Brown Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 3%
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Ash Content	Max. 1.0%

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