Description

C.I. Disperse Orange 66 is a high-performance synthetic dye belonging to the disperse dye class, identified by CAS NO 56509-55-8. It is valued for its bright orange hue and excellent fastness properties, making it a critical component for achieving durable and vibrant coloration on synthetic fibers. This product is essential for manufacturers in the textile industry who require reliable and consistent dyes for polyester, acetate, and nylon materials.

Application

The primary application of C.I. Disperse Orange 66 is in the dyeing and printing of synthetic textiles. Its specific uses include:

• Polyester Fabric Dyeing: For apparel, home textiles, and automotive interiors requiring high colorfastness to light and washing.
• Acetate and Triacetate Fibers: Providing bright shades with good leveling properties.
• Nylon Carpet and Apparel Dyeing: Offering good coverage and build-up for deep shades.
• Textile Printing: Used in paste formulations for printing patterns on synthetic fabrics.
• Plastics Coloring: Potential use for mass coloration of certain thermoplastics.
• Ink Formulations: For specialized inks requiring disperse dye properties.

Basic Information

Product Name	C.I. Disperse Orange 66
CAS No.	56509-55-8
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Orange 66; C.I. 11077; Disperse Orange SE-2R; Samaron Orange HFFG; Foron Orange SE-2R; Dianix Orange UN-SE; Terasil Orange W-2R; 1,5-Diamino-4,8-dihydroxy-2-(4-nitrophenyl)anthraquinone
EINECS	Contact for details

Quality Control

Our C.I. Disperse Orange 66 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including strength, shade, dispersion stability, and fastness properties. Certificates of Analysis (COA) detailing purity, physical form, and application performance are available upon request for every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	Orange to Reddish-Brown Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Dispersion Stability	Pass Test
Particle Size	> 95% passes through 80 mesh
pH (Aqueous Dispersion)	6.0 - 8.0

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