Description

Acidblack155 is a high-performance, synthetic acid dye belonging to the azo chemical class, widely recognized for its deep, intense black shade and excellent fastness properties. Its primary value lies in delivering superior color strength and durability on protein-based fibers like wool, silk, and nylon, ensuring vibrant and long-lasting coloration. This product is essential for manufacturers in the textile, leather, and specialty paper industries seeking reliable and efficient black dyeing solutions. Acidblack155 CAS NO 12219-09-9 is a key component for producing high-quality, colorfast black hues in demanding applications.

Application

• Primary dyeing and printing of wool and silk fabrics.
• Coloration of nylon fibers for apparel, carpets, and automotive textiles.
• Leather dyeing for footwear, garments, and upholstery.
• Specialty paper coloring and ink formulations.
• Dyeing of blended fabrics containing protein fibers.
• Used in research and development for new dye formulations.

Basic Information

Product Name	Acidblack155
CAS No.	12219-09-9
Molecular Formula	C22H14N6Na2O9S2
Molecular Weight	616.49 g/mol
Synonyms	Acid Black 155; C.I. Acid Black 155; Acid Leather Black NB; Nylosan Black N-BL; Telon Black BGL; Supranol Black BGL; Erionyl Black BGL; Acid Black NB
EINECS	Contact for details

Quality Control

Our Acidblack155 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. The product undergoes comprehensive testing, including spectrophotometric analysis for color strength, chromatographic purity checks, and assessments of key application properties like solubility and fastness. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance protocols.

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 powder or granules
Identification (IR)	Conforms to standard
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Solubility in Water	Conforms
Shade on Wool	Conforms to standard
Fastness Properties	To be specified per grade

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