Description

Vat Black 56 is a high-performance vat dye belonging to the anthraquinone chemical class, known for its exceptional color fastness and deep, rich black shade. Its primary value lies in delivering superior wash, light, and chlorine resistance, making it a critical component for durable and high-quality coloration. This pigment is essential for manufacturers in the textile, leather, and specialty coatings industries who require long-lasting, vibrant black dyes for demanding applications.

Application

• Textile Dyeing and Printing: Primarily used for dyeing cotton, viscose, and other cellulosic fibers to achieve a fast black color for apparel, home textiles, and industrial fabrics.
• Leather Finishing: Employed in the dyeing of leather goods such as shoes, bags, and upholstery, where color depth and durability are paramount.
• Pigment Manufacturing: Serves as a key intermediate or colorant in the production of high-grade organic pigments and masterbatches for plastics.
• Specialty Coatings: Used in formulations for inks, paints, and other coatings that require a stable and intense black hue with good weathering properties.
• Paper Coloration: Applied in the production of specialty papers, including decorative and high-end packaging materials.

Basic Information

Product Name	Vat Black 56
CAS No.	12227-17-7
Molecular Formula	C34H14N2O6
Molecular Weight	546.49 g/mol
Synonyms	Vat Black 56; C.I. Vat Black 56; C.I. 67825; Indanthren Black BBF; Caledon Black XBN; Cibanone Black BBF; Navinon Black BBF; Youhaothrene Black BBF
EINECS	Contact for details

Quality Control

Our Vat Black 56 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality parameters including shade, strength, particle size, and fastness properties are rigorously tested against established industrial benchmarks. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every shipment to guarantee compliance with your specifications.

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 container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Black Powder
Color Strength	Standard Depth ± 5%
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Particle Size (Passing 80 mesh)	≥ 95%
Fastness to Washing	≥ 4-5 (ISO 105-C03)
Fastness to Light	≥ 6-7 (ISO 105-B02)
Identification (IR)	Conforms

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