Description

Disperse Brown 1 is a synthetic organic dye belonging to the disperse dye class, widely used for coloring synthetic fibers. This product matters for its ability to provide durable and vibrant brown shades with good fastness properties on hydrophobic materials like polyester. It is primarily needed by manufacturers in the textile industry for dyeing and printing applications, as well as by producers of specialty inks and plastics seeking consistent coloration.

Application

• Primary application in the dyeing of polyester and polyester-blend fabrics.
• Used in the printing of synthetic textiles to achieve specific brown color patterns.
• Coloration of acetate and nylon fibers where disperse dyes are applicable.
• Manufacturing of masterbatches for plastics, particularly for polyester-based resins.
• Production of specialty inks for transfer printing and other industrial marking processes.
• Potential use in the coloration of automotive textiles and other technical fabrics requiring color stability.

Basic Information

Product Name	Disperse Brown 1
CAS No.	23355-64-8
Molecular Formula	C18H14N4O4
Molecular Weight	350.33 g/mol
Synonyms	Disperse Brown 1; C.I. 11152; 1,4-Diamino-2,3-dihydroanthraquinone; Celliton Brown 3R; Artisil Brown 3R; Foron Brown 3R; Samaron Brown HRL; Palanil Brown 3R; Dianix Brown 3R
EINECS	245-598-8

Quality Control

Our Disperse Brown 1 is manufactured under a stringent quality management system. Each batch undergoes rigorous testing to ensure it meets consistent specifications for color strength, shade, and purity. Standard analytical methods including HPLC and spectrophotometry are employed. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is available for every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 3%
Shade	Matches reference standard
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes test

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