Description

Dialuminium Tris[6-Hydroxy-5-[(3-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate] is a high-purity, water-soluble aluminum complex of an azo dye intermediate, valued for its excellent chelating and color-imparting properties. This compound is essential for industries requiring precise metal-dye interactions and consistent batch-to-batch performance. It is primarily utilized by manufacturers in the pigments, specialty inks, and advanced material coatings sectors.

Application

• Pigment and Dye Manufacturing: Serves as a key intermediate or complexing agent in the synthesis of high-performance organic pigments and lake pigments.
• Specialty Inks: Used in the formulation of industrial and security inks where specific color fastness and stability are required.
• Functional Coatings: Incorporated into coatings for plastics and metals to provide coloration with potential functional properties.
• Analytical Chemistry: May be employed as a colorimetric reagent or indicator in specific analytical methods due to its azo structure.
• Research & Development: Utilized in chemical research for developing new coordination complexes and studying azo dye chemistry.

Basic Information

Product Name	Dialuminium Tris[6-Hydroxy-5-[(3-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate]
CAS No.	94021-05-3
Molecular Formula	C~48~H~30~Al~2~N~6~O~21~S~6
Molecular Weight	Approx. 1268.8 g/mol
Synonyms	Aluminum 6-Hydroxy-5-[(3-sulfophenyl)azo]-2-naphthalenesulfonate Complex; Dialuminium Tris(6-Hydroxy-5-[(3-Sulfonatophenyl)Diazenyl]Naphthalene-2-Sulfonate); C.I. Mordant Yellow 5, Aluminum Complex; Acid Yellow 99 (Aluminum Lake); Trisodium 5-[(E)-(3-Sulfonatophenyl)Diazenyl]-6-Oxonaphthalene-2-Sulfonate Aluminum Derivative; Aluminium Azo Dye Complex; 94021-05-3
EINECS	Contact for details

Quality Control

Our production of Dialuminium Tris[6-Hydroxy-5-[(3-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate] adheres to stringent quality management protocols to ensure product consistency and reliability. Every batch is analyzed for critical parameters including identity, purity, and metal content. A comprehensive Certificate of Analysis (COA) detailing these specifications 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (Al Content)	≥ 4.0 % (w/w)
Purity (HPLC)	≥ 95.0 %
Loss on Drying	≤ 5.0 %
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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