Description

Acid Red 122 is a synthetic, water-soluble azo dye belonging to the acid dye class, valued for its bright and vivid red color. It is a critical component for achieving consistent, high-quality coloration with excellent fastness properties in demanding applications. This dye is essential for manufacturers in the textile, leather, and paper industries who require reliable, non-fugitive red shades for their products.

Application

• Textile Dyeing: Primarily used for dyeing polyamide (nylon) fibers, wool, and silk, offering good wash and light fastness.
• Leather Finishing: Imparts a uniform and vibrant red color to leather goods, including upholstery, footwear, and accessories.
• Paper Coloring: Employed in the production of specialty papers, decorative papers, and packaging materials requiring color.
• Ink Formulation: Used as a colorant in the manufacture of inks for various printing applications.
• Biological Staining: May find use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Acid Red 122
CAS No.	12234-98-9
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Red 122; C.I. Acid Red 122; Nylosan Red F-3GL; Supranol Red 3BW; Telon Red F3GL; Acid Leather Red G; 5-[(2,4-Dinitrophenyl)azo]salicylic acid, disodium salt; 2-Hydroxy-5-[(2,4-dinitrophenyl)azo]benzoic acid disodium salt
EINECS	235-428-6

Quality Control

Our Acid Red 122 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, shade, solubility, and impurity profiles. A Certificate of Analysis (COA) detailing purity, physical properties, and conformance is provided with each shipment to guarantee batch-to-batch consistency and performance reliability.

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	Red to dark red powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Shade	Conforms to standard
Solubility in Water	Clear solution

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