Description

Disperse Orange 97 is a high-performance synthetic organic dye belonging to the disperse dye class, identified by CAS No. 61931-35-9. It is engineered to deliver vibrant, durable orange coloration with excellent fastness properties, making it a critical component for demanding textile applications. This product is essential for manufacturers in the synthetic fiber industry seeking reliable and consistent dyeing performance for polyester and its blends.

Application

• Primary dyeing of polyester fibers and filaments for apparel and home textiles.
• Dyeing of polyester-cotton and polyester-wool blended fabrics.
• Coloration of polyester-based automotive interior textiles requiring high lightfastness.
• Use in high-temperature, high-pressure (HTHP) dyeing processes for uniform shade development.
• Application in continuous dyeing and printing processes for synthetic fabrics.
• Dyeing of polyester yarns for sewing threads and industrial fabrics.

Basic Information

Product Name	Disperse Orange 97
CAS No.	61931-35-9
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Orange 97; C.I. Disperse Orange 97; 1-[(2-Cyanoethyl)amino]-4-[4-(methylsulfonyl)phenyl]azo]anthraquinone; Disperse Orange S-4RL; Samaron Orange HFFG; Foron Orange S-4RL; Dianix Orange UN-SE; Terasil Orange W-4R
EINECS	Contact for details

Quality Control

Our Disperse Orange 97 is manufactured under a strict 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. A Certificate of Analysis (COA) detailing purity, physical form, and application performance is provided with every shipment to guarantee it meets your specific 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
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Dispersion Stability	≥ 4/5 Grade
Particle Size	> 95% passes through 80 mesh
Fastness to Washing	≥ 4-5 Grade
Fastness to Light	≥ 5-6 Grade

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