Description

C.I. Acid Brown 254 is a synthetic acid dye belonging to the azo chemical class, widely recognized for its robust coloring properties and good fastness characteristics. This dye is valued for its ability to provide consistent, high-quality brown shades with excellent leveling and penetration on various substrates. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking reliable and cost-effective dyeing solutions. Our supply ensures consistent batch-to-batch quality and reliable global availability for industrial-scale operations.

Application

• Textile Dyeing: Primary application for dyeing protein fibers like wool, silk, and polyamide (nylon) to achieve durable brown shades.
• Leather Finishing: Used in the dyeing of leather goods, including footwear, apparel, and upholstery, offering good penetration and color uniformity.
• Paper Coloration: Employed in the production of specialty papers, packaging materials, and decorative paper products.
• Ink Formulation: A component in the manufacture of inks for various printing applications where specific color tones are required.
• Biomaterial Staining: Potential use in laboratory and histological staining procedures for biological tissues.
• Wood Staining: Applied in the woodworking industry to impart color to wooden surfaces and products.

Basic Information

Product Name	C.I. Acid Brown 254
CAS No.	12269-91-9
Molecular Formula	C32H24N8Na4O16S4
Molecular Weight	1048.86 g/mol
Synonyms	Acid Brown 254; C.I. 20195; Acid Leather Brown D; Acid Fast Brown BRL; Acidol Brown M-BRL; Amido Brown BRL; Derma Fur Brown BRL; Supranol Fast Brown BRL; Telon Fast Brown BRL; Nylosan Brown E-BRL; Acid Brown BRL; Acid Dye Brown 254
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Brown 254 adheres to stringent quality management protocols to ensure product consistency and performance. Each batch is tested against key parameters including color strength, shade, solubility, and fastness properties. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing the specific test results. Our quality system is designed to meet the demands of industrial dyeing processes, ensuring reliability for your production line.

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 and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Brown 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
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.