Description

C.I. Disperse Yellow 183 is a high-performance, monoazo-based synthetic dye belonging to the disperse dye class. It is valued for its bright, clean yellow hue and excellent fastness properties, making it a critical component for achieving durable coloration on synthetic fibers. This product is essential for manufacturers in the textile and polymer industries seeking reliable and vibrant yellow shades for their products.

Application

• Primary dyeing and printing of polyester (PET) fibers and fabrics.
• Coloration of polyamide (nylon) textiles.
• Dyeing of acetate and triacetate materials.
• Mass coloration (dope dyeing) of synthetic polymers during the spinning process.
• Used in the production of plastic products, including films and engineering plastics.
• Formulation of inks for specialized printing applications.

Basic Information

Item	Detail
Product Name	C.I. Disperse Yellow 183
CAS No.	71902-11-9
Molecular Formula	C18H14ClN5O4
Molecular Weight	399.79 g/mol
Synonyms	Disperse Yellow 183; Disperse Yellow SE-5R; C.I. 110200; 2-[(4-Chloro-2-nitrophenyl)azo]-N-(2-cyanoethyl)-3-oxobutanamide; 1-(2-Cyanoethyl)-4-[(4-chloro-2-nitrophenyl)azo]-5-pyrazolone; Yellow 5G-SE; Samaron Yellow 5GSL; Foron Yellow SE-5G
EINECS	Contact for details

Quality Control

Our C.I. Disperse Yellow 183 is manufactured under a stringent quality management system. Every batch undergoes comprehensive testing for color strength, shade, dispersion stability, and fastness properties to ensure consistency and performance. Certificates of Analysis (COA) detailing purity and key specifications 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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Yellow to reddish-yellow powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Within agreed tolerance
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes test
Particle Size	≤ 2.0 μm (Average)

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