Description

C.I. Acid Brown 330 is a synthetic organic dye belonging to the acid dye class, identified by CAS No. 61724-25-2. This high-performance dye is valued for its ability to impart durable and vibrant brown shades with excellent fastness properties on protein-based fibers. It is a critical component for manufacturers in the textile and leather industries seeking consistent, high-quality coloration. The product is engineered to meet the demanding requirements of industrial dyeing processes, ensuring reliable batch-to-batch performance.

Application

C.I. Acid Brown 330 is primarily utilized for dyeing and printing applications where strong affinity for protein fibers is required. Its key applications include:

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers to achieve a range of brown hues.
• Leather Finishing: Used for coloring leather goods, providing rich and uniform brown tones with good penetration.
• Paper Staining: Employed in the specialty paper industry for tinting and decorative purposes.
• Ink Formulation: A component in the manufacture of inks for various marking and writing instruments.
• Biomaterial Staining: Used in laboratory and histological settings for staining biological specimens.

Basic Information

Product Name	C.I. Acid Brown 330
CAS No.	61724-25-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
EINECS	Contact for details
Synonyms	Acid Brown 330; C.I. 17755; Acid Leather Brown 2GL; Acid Fast Brown BRL; Nylosan Brown BRL; Telon Brown K-3GL; Acid Brown BRL; Leather Brown A-GL

Quality Control

Our production of C.I. Acid Brown 330 adheres to stringent quality management protocols to ensure product consistency and performance. Each batch is analyzed against established specifications for critical parameters such as color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

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 container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Brown powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Dye Content	≥ 90%
Solubility in Water	Conforms

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