Description

Iron, Diazotized 4-Aminobenzenesulfonic Acid-Diazotized 2-Amino-6-Chloro-4-Nitrophenol-Resorcinol Coupling Products Copper Complexes, Sodium Salts is a specialized metal complex dye used for its intense color and stability. This product matters for industrial applications requiring durable, high-performance pigments that can withstand demanding environmental conditions. It is primarily needed by manufacturers in the textile, leather, ink, and specialty coatings industries seeking consistent and reliable coloration.

Application

• Textile Dyeing: For coloring synthetic and natural fibers, providing good wash and light fastness.
• Leather Finishing: Used in the dyeing of leather goods to achieve deep, uniform shades.
• Ink Formulation: A key pigment component in the production of industrial and printing inks.
• Specialty Coatings: Imparts color and functional properties to coatings for plastics, paper, and other substrates.
• Pigment Manufacturing: Serves as an intermediate or final pigment for further formulation.
• Research & Development: Utilized in chemical research for developing new colored materials and studying metal-complex interactions.

Basic Information

Product Name	Iron, Diazotized 4-Aminobenzenesulfonic Acid-Diazotized 2-Amino-6-Chloro-4-Nitrophenol-Resorcinol Coupling Products Copper Complexes, Sodium Salts
CAS No.	90412-14-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Brown 33; Iron Complex Brown; Diazotized 4-Aminobenzenesulfonic Acid, Diazotized 2-Amino-6-Chloro-4-Nitrophenol and Resorcinol Coupling Products, Copper Complexes, Sodium Salts; Pigment Brown 33; C.I. 77503; Iron Brown; Metal Complex Brown Pigment
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for color strength, purity, and batch-to-batch consistency. Certificates of Analysis (COA) detailing key parameters such as ash content, metal content, and solubility are available upon request. We adhere to a cGMP compliant quality management system to guarantee reliable supply for your critical applications.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Brown Powder
Identification (IR)	Conforms
Color Strength	Standard ± 5%
Ash Content	≤ 1.0%
Moisture Content	≤ 5.0%
Water Solubility	Contact for details
Particle Size	Contact for details

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