Description

C.I.Acid Black 154 is a high-performance, synthetic acid dye belonging to the azo chemical class. This dye is valued for its excellent color fastness, deep black shade, and strong affinity for protein-based fibers like wool, silk, and nylon. It is a critical component for manufacturers in the textile, leather, and paper industries seeking durable and vibrant coloration. The compound is identified by CAS No. 12234-53-6.

Application

This acid dye is engineered for demanding applications where color integrity and durability are paramount. Its primary and related uses include:

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers and fabrics to achieve deep, level black shades.
• Leather Processing: Used in the dyeing of leather goods, providing rich color with good penetration and fastness properties.
• Paper Coloration: Employed in specialty paper production, including decorative and packaging papers, for a consistent black hue.
• Ink Formulation: A component in the manufacture of certain inks, particularly for applications requiring acid-stable pigments.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	C.I.Acid Black 154
CAS No.	12234-53-6
Molecular Formula	C22H14N6Na2O9S2
Molecular Weight	616.49 g/mol
Synonyms	Acid Black 154; C.I. 20265; Acid Leather Black NB; Nylon Fast Black 2B; Acid Black NB; Wool Black NB; Airedale Black NB; Lissamine Black 2B; Acid Black 2B; Acid Fast Black 2B
EINECS	Contact for details

Quality Control

Our production of C.I.Acid Black 154 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. The material is manufactured and tested against rigorous internal specifications that assess key parameters such as dye content, shade, solubility, and fastness properties. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and performance tests is provided with every shipment to guarantee it meets your specific application 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 strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Black to Bluish-Black Powder
Identification (IR)	Conforms
Assay (Dye Content)	≥ 95%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%
Shade & Strength	Matches Standard

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