Description

C.I. Acid Brown 224 is a synthetic azo dye belonging to the acid dye class, valued for its specific brown hue and affinity for protein-based fibers. This product is essential for achieving consistent, high-quality coloration with good wash and light fastness properties in demanding industrial applications. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking reliable and efficient dyeing solutions.

Application

• Textile Dyeing: Primary application for dyeing protein fibers such as wool, silk, and nylon, providing a uniform brown shade.
• Leather Finishing: Used in the coloration of leather goods, including footwear, apparel, and upholstery, offering good penetration and color depth.
• Paper Staining: Employed for tinting specialty papers, decorative papers, and packaging materials where a specific brown color is required.
• Ink Formulation: A colorant component in the manufacture of certain types of inks for industrial marking or specialty printing.
• Biological Staining (Research Grade): May be used in histological or microbiological staining procedures in laboratory settings.

Basic Information

Product Name	C.I. Acid Brown 224
CAS No.	61724-17-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Acid Brown 224; C.I. 20195; Acid Leather Brown 2GL; Acid Fast Brown GL; Acidol Brown M-BL; Amacid Brown GL; Derma Fur Brown GL; Lanasyn Brown S-2GL; Supranol Fast Brown GL; Telon Fast Brown AGL
EINECS	Contact for details

Quality Control

Our C.I. Acid Brown 224 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile to meet industry specifications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee quality assurance and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

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