Description

C.I. Acid Orange 107 is a synthetic, water-soluble azo dye belonging to the acid dye class, identified by CAS NO 12220-08-5. This high-performance dye is valued for its bright, vivid orange hue and excellent fastness properties, particularly on polyamide fibers like nylon. It is primarily utilized by manufacturers in the textile, leather, and specialty paper industries seeking durable and vibrant coloration. Its chemical structure ensures strong affinity for protein-based and synthetic polyamide materials, providing reliable and consistent results in industrial dyeing processes.

Application

C.I. Acid Orange 107 is engineered for demanding coloration applications where color fastness and brilliance are critical. Its primary and related uses include:

• Textile Dyeing: Primary application for dyeing nylon, silk, and wool fibers, offering excellent wash and light fastness.
• Leather Finishing: Used for dyeing leather goods, providing rich, uniform color penetration.
• Paper Coloring: Suitable for specialty papers, including decorative and packaging grades.
• Ink Formulation: A component in the manufacture of inks for various marking and printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Polyamide Plastics: Coloring of nylon-based plastics and polymers.

Basic Information

Product Name	C.I. Acid Orange 107
CAS No.	12220-08-5
Molecular Formula	C32H24N8Na2O8S2
Molecular Weight	758.68 g/mol
Synonyms	Acid Orange 107; C.I. 23270; Acid Leather Orange PR; Nylosan Orange E-RL; Telon Orange RL; Supranol Orange RL; Erionyl Orange R-FG; Acid Fast Orange RL; Lanasyn Orange RL; Dermacid Orange 107
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Orange 107 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, solubility, and impurity profiles to meet precise customer specifications. Certificates of Analysis (COA) documenting purity, physical properties, and conformance are provided with each shipment. We operate under a quality system aligned with ISO 9001 standards, ensuring traceability and continuous improvement.

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. The product is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); prolonged exposure to air and humidity should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	Orange to reddish-brown 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%
Heavy Metals (as Pb)	≤ 50 ppm

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