Description

C.I. Disperse Yellow 135 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its bright yellow hue. It is engineered for exceptional color fastness and dispersion stability, making it a critical component for achieving vibrant, durable coloration on synthetic fibers. This product is essential for manufacturers in the textile and polymer industries seeking reliable and consistent dyeing performance. Its CAS number is 69070-71-9.

Application

The primary application of C.I. Disperse Yellow 135 is in the dyeing and printing of hydrophobic synthetic fibers. Its key uses include:

• Textile Dyeing: High-temperature dyeing of polyester (PET), acetate, and triacetate fibers.
• Textile Printing: Used in printing pastes for polyester fabrics.
• Plastics Coloring: Mass coloration of plastics such as polystyrene, ABS, and polycarbonate.
• Ink Formulation: A key pigment for specialty inks used in transfer printing and other industrial marking applications.
• Automotive Interiors: Dyeing of polyester-based automotive textiles and trim.
• Sportswear and Outdoor Gear: Providing bright, fade-resistant colors for performance apparel.

Basic Information

Product Name	C.I. Disperse Yellow 135
CAS No.	69070-71-9
Molecular Formula	C18H14Cl2N6O2
Molecular Weight	425.25 g/mol
Synonyms	Disperse Yellow 135; Disperse Yellow SE-5R; C.I. 110365; 2-[(4-Amino-2,5-dichlorophenyl)azo]-N-(2-cyanoethyl)-3-oxobutanamide; 1,3-Benzenedicarbonitrile, 4-[[2-(acetyloxy)ethyl]ethylamino]-2-methyl-; Foron Yellow SE-5R; Samaron Yellow H5RL; Terasil Yellow 5R
EINECS	Contact for details

Quality Control

Our C.I. Disperse Yellow 135 is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise specifications for color strength, shade, dispersion stability, and impurity levels. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, particle size distribution, and fastness properties. Our quality commitment ensures batch-to-batch consistency for your critical production processes.

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 to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Purity (HPLC)	≥ 98.0%
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.