Description

C.I. Disperse Yellow 218 is a high-performance synthetic organic dye belonging to the disperse dye class, identified by CAS No. 83929-90-2. This product is engineered for exceptional color fastness and thermal stability, making it a critical component for achieving vibrant, durable yellow shades. It is primarily required by manufacturers in the textile and polymer industries for dyeing and printing synthetic fibers, particularly polyester and its blends.

Application

• Primary dyeing of polyester fibers and fabrics.
• Printing applications on polyester textiles.
• Coloration of polyester-cotton and other synthetic fiber blends.
• Mass coloration of polyester resins and plastics.
• Use in high-temperature dyeing processes (e.g., HT/HP dyeing).
• Production of automotive textiles requiring high light and wash fastness.
• Dyeing of polyester yarns for home furnishings and upholstery.
• Manufacture of sportswear and outdoor apparel.

Basic Information

Product Name	C.I. Disperse Yellow 218
CAS No.	83929-90-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Disperse Yellow 218; Disperse Yellow SE-5G; Disperse Yellow S-5G; C.I. 480200; 2-[(4-Amino-3-nitrophenyl)azo]-N,N-bis(2-hydroxyethyl)aniline; 1,5-Bis[(2-hydroxyethyl)amino]-2-[(4-amino-3-nitrophenyl)azo]-4-nitrobenzene; Yellow 218; Foron Yellow SE-5G
EINECS	Contact for details

Quality Control

Our C.I. Disperse Yellow 218 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Each lot undergoes rigorous testing for key parameters including shade, strength, dispersion stability, and fastness properties. Certificates of Analysis (COA) detailing purity, physical form, and application performance are available upon request.

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	Yellow to orange powder or granules
Identification (IR)	Conforms to standard
Shade	Matches reference standard
Strength	100 ± 3%
Moisture Content	≤ 5.0%
Dispersion Stability	Passes test
Particle Size	≤ 2.0 μm (typical)
pH (Aqueous Dispersion)	5.0 - 7.0

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