Description

Disperse Diazo Black 3Bf is a high-performance, synthetic organic dye belonging to the disperse dye class, identified by CAS NO 6232-57-1. It is valued for its excellent color fastness, deep black shade, and strong affinity for synthetic fibers. This product is essential for manufacturers in the textile industry requiring durable and vibrant coloration for hydrophobic materials.

Application

• Textile Dyeing: Primary application for dyeing polyester (PET) and polyester-blend fabrics to achieve a deep, uniform black color.
• Synthetic Fiber Coloring: Used for dyeing acetate, nylon, and other synthetic fibers in various forms including yarn, fabric, and garments.
• Plastics and Resins: Employed as a colorant for mass coloration of certain engineering plastics and resins.
• Ink Formulation: A potential component in the manufacture of specialty inks for non-porous surfaces.
• Automotive Interiors: Suitable for dyeing synthetic textiles used in automotive upholstery and trim.
• Sportswear and Activewear: Provides color for high-performance synthetic fabrics where wash and light fastness are critical.

Basic Information

Product Name	Disperse Diazo Black 3Bf
CAS No.	6232-57-1
Molecular Formula	C.I. Disperse Black 3
Molecular Weight	Contact for details
Synonyms	Disperse Black 3; C.I. 11005; Disperse Black B; Disperse Black E-B; Acetamine Black E-B; Celliton Black B; Miketon Polyester Black B; Samaron Black B; Terasil Black B; C.I. Disperse Black 3
EINECS	228-334-8

Quality Control

Our Disperse Diazo Black 3Bf is manufactured under a stringent quality management system. Every batch is tested to ensure consistent shade, strength, and application performance, meeting the specifications required for industrial textile dyeing. A comprehensive Certificate of Analysis (COA) detailing purity, strength, and physical parameters is provided with each shipment to guarantee product integrity and traceability.

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 maintain stability.

Specification

Item	Specification
Appearance	Black powder or granules
Identification (IR)	Conforms to standard
Color Strength	100% ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Dispersion Stability	Good to Excellent
Particle Size	≥ 95% passes through specified mesh

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