Description

Disperse Red 356 is a high-performance synthetic dye belonging to the disperse dye class, specifically engineered for exceptional color fastness and thermal stability. Its primary value lies in providing a vibrant, durable red coloration to synthetic fibers, making it a critical component for manufacturers requiring consistent and reliable dyeing results. This product is essential for industries involved in the coloration of polyester, acetate, and nylon textiles, as well as for specialty applications in plastics and inks. We supply Disperse Red 356 CAS NO 152165-67-8 to a global market with a focus on quality assurance and supply chain reliability.

Application

• Textile Dyeing: Primary application for dyeing polyester (PET) and polyester-blend fabrics, offering excellent wash and light fastness.
• Synthetic Fiber Coloring: Used for dyeing acetate and nylon fibers, providing bright and even shades.
• Plastics Industry: Employed as a colorant for mass coloration (spin dyeing) of polyester resins and other thermoplastic polymers.
• Ink Manufacturing: Suitable for formulating inks for transfer printing and other specialty printing applications on synthetic materials.
• Automotive Interiors: Used in dyeing polyester fabrics for automotive upholstery and trim, where color consistency and durability are paramount.
• Sportswear and Activewear: Ideal for dyeing high-performance polyester garments that require color retention through repeated washing and exposure to sweat and sunlight.

Basic Information

Product Name	Disperse Red 356
CAS No.	152165-67-8
Molecular Formula	C20H17N5O6
Molecular Weight	423.38 g/mol
Synonyms	Disperse Red 356; C.I. Disperse Red 356; 1,5-Diamino-4,8-dihydroxy-2-(4-nitrophenyl)anthraquinone; Solvent Red 356 (related class); 152165-67-8; Anthraquinone Red 356; 4-Nitro Disperse Red 356
EINECS	Contact for details

Quality Control

Our Disperse Red 356 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous in-house specifications for critical parameters including color strength, shade, particle size distribution, and dispersion stability. A Certificate of Analysis (COA) detailing purity, physical properties, and performance tests is provided with every shipment to guarantee compliance with your 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 heat sources and incompatible materials. The product is light-sensitive and should be stored in its original packaging away from direct light exposure to prevent degradation.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size	>95% passes 80 mesh
Dispersion Stability	Stable in standard medium

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