Description

C.I. Disperse Orange 72 is a high-performance synthetic organic dye belonging to the disperse dye class, identified by CAS NO 61968-41-0. It is engineered to deliver vibrant, durable orange coloration with excellent fastness properties on synthetic fibers. This product is essential for manufacturers requiring consistent, high-quality dyeing results for technical textiles and apparel. Its primary application is in the coloration of hydrophobic materials such as polyester and its blends.

Application

• Dyeing of polyester (PET) fibers and fabrics for apparel and home textiles.
• Coloration of polyester-cotton and other synthetic fiber blends.
• High-temperature pressure dyeing and thermosol processes for continuous dyeing.
• Printing applications on synthetic fabrics.
• Coloration of polyamide (nylon) fibers, particularly in specific application conditions.
• Use in the production of colored polyester masterbatch for spun-dyed yarns.
• Potential application in the dyeing of acetate and triacetate fibers.
• Industrial applications requiring a stable orange colorant with good sublimation fastness.

Basic Information

Product Name	C.I. Disperse Orange 72
CAS No.	61968-41-0
Molecular Formula	C18H14ClN5O4S
Molecular Weight	439.85 g/mol
Synonyms	Disperse Orange 72; Disperse Orange SE-2R; C.I. 11132; 1,5-Diamino-4,8-dihydroxy-2-(4-nitrophenyl)azoanthraquinone; 2-[(4-Nitrophenyl)azo]-1,5-diamino-4,8-dihydroxyanthraquinone; Samaron Orange HFFG; Foron Orange SE-2R; Dianix Orange UN-SE
EINECS	Contact for details

Quality Control

Our C.I. Disperse Orange 72 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each production lot undergoes comprehensive testing for critical parameters including color strength, shade, dispersion stability, and fastness properties. Certificates of Analysis (COA) documenting purity, physical form, and application performance are available upon request, supporting your quality assurance and regulatory compliance needs.

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 heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to Reddish-Orange Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Purity (HPLC)	≥ 96.0%
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
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.