Description

C.I. Acid Black 112 is a high-performance, synthetic azo dye belonging to the acid dye class, valued for its deep, rich black shade and excellent fastness properties. This product is essential for industries requiring durable and vibrant coloration of protein-based fibers and polyamide materials. Key users include manufacturers in the textile, leather, and paper industries seeking reliable and consistent dyeing results.

Application

• Primary dyeing of wool and other animal hair fibers.
• Coloration of silk fabrics and yarns.
• Dyeing of nylon (polyamide) textiles and carpets.
• Leather finishing for footwear, upholstery, and accessories.
• Specialty paper coloring and tinting applications.
• Ink formulation for specific marking and printing uses.

Basic Information

Product Name	C.I. Acid Black 112
CAS No.	12238-50-5
Molecular Formula	C22H14N6Na2O9S2
Molecular Weight	616.49 g/mol
Synonyms	Acid Black 112; C.I. 26790; Acid Leather Black NB; Nylosan Black N-BL; Telon Black BGL; Erionyl Black BGL; Acid Black NB; Aminyl Black F-BL; Acid Fast Black BGL
EINECS	Contact for details

Quality Control

Our C.I. Acid Black 112 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested for critical parameters including shade, strength, solubility, and fastness properties. A Certificate of Analysis (COA) documenting these results 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.

Specification

Item	Specification
Appearance	Black powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to standard
Solubility in Water	Conforms

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