Description

Disperse Orange 76 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant orange hue. It is valued for its excellent color fastness, thermal stability, and dispersion properties, which are critical for achieving uniform and durable coloration. This product is essential for manufacturers in the textile and polymer industries seeking reliable and consistent dyeing results for synthetic fibers.

Application

Disperse Orange 76 is primarily used for dyeing and printing synthetic fibers where its specific properties provide significant advantages.

• Polyester Fiber Dyeing: The primary application for achieving bright and wash-fast orange shades on polyester fabrics and yarns.
• Acetate and Triacetate Coloring: Used for dyeing cellulose acetate fibers, providing good color yield and clarity.
• Nylon Fabric Dyeing: Applicable for coloring polyamide (nylon) textiles, offering good affinity and leveling.
• Plastics and Polymer Mass Coloration: Incorporated into polymers like polystyrene or polycarbonate during manufacturing to impart color to the bulk material.
• Transfer Printing: Utilized in the inks for thermal transfer printing processes on synthetic fabrics.
• Automotive Textiles: Suitable for dyeing polyester-based fabrics used in vehicle interiors, where lightfastness is important.

Basic Information

Product Name	Disperse Orange 76
CAS No.	13301-61-6
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Orange 76; C.I. Disperse Orange 76; 1,5-Diamino-4,8-dihydroxy-2-(4-nitrophenyl)anthraquinone; 1,5-Bis(ethylamino)-4,8-dihydroxyanthraquinone; Disperse Orange S-4RL; Samaron Orange HFFG; Foron Orange S-4RL; Dianix Orange UN-SE; C.I. 11132; 2-(4-Nitrophenyl)-1,5-diamino-4,8-dihydroxyanthraquinone
EINECS	Contact for details

Quality Control

Our Disperse Orange 76 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including purity assay, shade strength, dispersion stability, and fastness property checks. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee compliance with your technical requirements.

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)	≥ 98.0%
Shade Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes test
Particle Size	> 95% passes 80 mesh

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