Description

Direct Orange 46 is a synthetic azo dye widely used for its strong and vibrant color properties. This product is valued for its excellent dyeing performance, providing good fastness properties on cellulosic fibers like cotton and viscose. It is a critical component for textile manufacturers, paper colorants, and leather tanneries requiring a reliable and cost-effective orange dye.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose rayon, and other cellulosic fibers to achieve a bright orange shade.
• Paper Coloring: Used in the production of colored papers, tissues, and paperboard where a stable orange hue is required.
• Leather Processing: Employed in the dyeing of leather goods, including footwear, bags, and upholstery.
• Ink Formulation: A pigment source for certain types of printing inks and toners.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Specialty Applications: Can be used for coloring wood, straw, and other natural materials.

Basic Information

Product Name	Direct Orange 46
CAS No.	12222-37-6
Molecular Formula	C25H18N4Na2O8S2
Molecular Weight	620.54 g/mol
Synonyms	Direct Orange 46; C.I. 29050; Benzoic acid, 5-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt; Direct Orange G; Direct Orange GS; Pontamine Orange GS; Sirius Orange GS; Chlorazol Orange GS; Diazol Orange G
EINECS	Contact for details

Quality Control

Our Direct Orange 46 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing these results 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 (Dye Content)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Shade	Conforms to standard pattern
Fastness Properties	Contact for details

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