Description

Aluminum, 3-Hydroxy-4-[(4-Sulfo-1-Naphthalenyl)Azo]-2,7-Naphthalenedisulfonic Acid Complex is a high-purity, organometallic azo dye complex valued for its excellent color fastness and stability. This compound is essential for industries requiring durable and vibrant pigments that can withstand demanding processing conditions. It is primarily sought by manufacturers in the textile, ink, and specialty coatings sectors for its superior performance as a colorant.

Application

• Textile Dyeing and Printing: Used as a key pigment for coloring synthetic and natural fibers, offering good wash and light fastness.
• Industrial Inks: Employed in the formulation of printing inks for packaging, publications, and security applications.
• Paints and Coatings: Serves as a colorant in industrial paints, automotive coatings, and architectural finishes.
• Plastics and Polymers: Incorporated into masterbatches for coloring a wide range of plastic products during manufacturing.
• Leather Finishing: Applied in dyes and stains for leather goods to achieve consistent and durable coloration.
• Paper Coloring: Used in specialty paper production for decorative and functional colored papers.

Basic Information

Product Name	Aluminum, 3-Hydroxy-4-[(4-Sulfo-1-Naphthalenyl)Azo]-2,7-Naphthalenedisulfonic Acid Complex
CAS No.	12227-62-2
Molecular Formula	C20H12AlN3O13S3
Molecular Weight	629.46 g/mol
Synonyms	Aluminum Lake of Acid Red 186; C.I. Pigment Red 186; C.I. 18810; 3-Hydroxy-4-[(4-sulfo-1-naphthyl)azo]-2,7-naphthalenedisulfonic acid, aluminum complex; Aluminum 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonate; Acid Red 186 Aluminum Lake; Pigment Red 186
EINECS	Contact for details

Quality Control

Our production of Aluminum, 3-Hydroxy-4-[(4-Sulfo-1-Naphthalenyl)Azo]-2,7-Naphthalenedisulfonic Acid Complex adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against rigorous in-house specifications for color strength, purity, and metal content. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from incompatible materials and sources of ignition. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Red powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Ash Content	10.0 - 15.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Slightly soluble

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