Description

Basic Orange 2 is a synthetic cationic dye belonging to the azo class, widely recognized for its vibrant orange hue. It is a critical component for imparting intense and durable coloration to a variety of substrates, valued for its strong affinity and good lightfastness. This dye is essential for manufacturers in the textile, paper, and leather industries seeking reliable and consistent colorants for their production processes. Basic Orange 2 CAS NO 532-82-1 is also utilized in specialized applications such as biological staining and the creation of inks.

Application

• Textile Dyeing: Primarily used for dyeing acrylic fibers, modacrylic, and certain polyesters, providing excellent color yield and wash fastness.
• Paper Coloring: Employed in the production of colored papers, tissues, and paperboard where a bright orange shade is required.
• Leather Finishing: Applied in the dyeing of leather goods, including footwear, bags, and upholstery, to achieve uniform and vibrant colors.
• Biological Staining: Used in histology and microbiology as a stain for tissue sections and microorganisms under a microscope.
• Ink Manufacturing: Serves as a colorant in the formulation of inks for specialty printing and marking applications.
• Wood Staining: Can be used to color wood and bamboo products, enhancing their aesthetic appeal.

Basic Information

Product Name	Basic Orange 2
CAS No.	532-82-1
Molecular Formula	C₁₂H₁₃ClN₄
Molecular Weight	248.71 g/mol
Synonyms	Basic Orange 2; C.I. Basic Orange 2; Astrazon Orange R; Aizen Cathilon Orange RH; Maxilon Orange R; 1,3-Benzenediamine, 4-[(2-methyl-4-((2-methylphenyl)azo)phenyl)azo]-, monohydrochloride; 4-[(2-Methyl-4-[(2-methylphenyl)azo]phenyl)azo]-1,3-benzenediamine monohydrochloride; C.I. 11270
EINECS	208-545-8

Quality Control

Our Basic Orange 2 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is tested against established specifications for key parameters including purity, shade, and solubility. Certificates of Analysis (COA) documenting these results are provided with every shipment and 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 strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 5% (vs. Standard)
Shade	Conforms to standard
Moisture Content	Max. 5.0%
Water Solubility	Clear solution at specified concentration
Ash Content	Max. 1.0%

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