Description

C.I. Acid Orange 123 is a synthetic organic dye belonging to the azo chemical class, identified by CAS No. 12234-96-7. It is valued for its vibrant and consistent orange hue, offering excellent tinctorial strength and good fastness properties in various applications. This high-performance colorant is essential for manufacturers in the textile, leather, and specialty ink industries seeking reliable and cost-effective dyeing solutions.

Application

• Textile Dyeing: Primary application for dyeing natural and synthetic fibers, including wool, silk, and polyamide (nylon), to achieve bright orange shades.
• Leather Finishing: Used in the coloration of leather goods, providing rich and uniform color for footwear, apparel, and accessories.
• Ink Manufacturing: A key pigment for formulating specialty inks, including those for packaging, security printing, and decorative purposes.
• Paper Staining: Employed in the production of colored papers and paper products where a stable orange color is required.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis, depending on purity grade.
• Plastics and Polymers: Can be used for mass coloration of certain plastics where compatibility and heat stability are confirmed.

Basic Information

Product Name	C.I. Acid Orange 123
CAS No.	12234-96-7
Molecular Formula	C16H11N4NaO4S
Molecular Weight	378.34 g/mol
Synonyms	Acid Orange 123; C.I. 12234-96-7; Acid Leather Orange RL; Acid Orange RL; Acid Fast Orange RL; Nylosan Orange E-RL; Telon Orange RL; Acid Orange A-RL; Azo Orange Dye
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Orange 123 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance. Each lot is tested for critical parameters including color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) documenting purity, heavy metal content, and other relevant specifications are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

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

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