Description

Acidorange121 CAS NO 12234-95-6 is a synthetic organic dye belonging to the azo dye class, valued for its vibrant and stable orange coloration. This high-performance colorant is engineered to deliver consistent shade, excellent fastness properties, and reliable batch-to-batch uniformity for demanding industrial applications. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking a durable and cost-effective orange dye solution.

Application

• Textile Dyeing: Primary application for dyeing natural and synthetic fibers, including cotton, wool, and nylon, to achieve a bright orange hue.
• Leather Finishing: Used in the coloration of leather goods such as footwear, bags, and upholstery, providing good penetration and color fastness.
• Paper Coloring: Employed in the production of colored papers, specialty packaging, and decorative paper products.
• Ink Formulation: A key pigment component in the manufacture of printing inks for various substrates.
• Plastics and Polymers: Incorporated as a colorant for mass-coloration of certain plastics and polymeric materials.
• Biological Staining (Histology): In some specialized grades, it may be used as a stain in microscopic analysis.

Basic Information

Product Name	Acidorange121
CAS No.	12234-95-6
Molecular Formula	C16H11N4NaO4S
Molecular Weight	378.34 g/mol
Synonyms	Acid Orange 121; C.I. Acid Orange 121; Acid Leather Orange PR; Acid Orange PR; Acid Fast Orange PR; Acid Leather Orange 2R; Airedale Orange PR; Amacid Orange PR; Atul Acid Fast Orange PR; Derma Orange PR; Lissamine Orange PR; Supranol Orange PR; Tectilon Orange 2R
EINECS	Contact for details

Quality Control

Our Acidorange121 is manufactured under a strict quality management system to ensure it meets the high standards required for industrial dyeing applications. Every batch is tested for critical parameters including color strength, shade, solubility, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment to guarantee consistency and reliability for your production processes.

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. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
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.