Tetrasodium 4-Amino-6-[[4'-[(1,8-Dihydroxy-3,6-Disulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]-5-Hydroxynaphthalene-1,3-Disulphonate CAS NO 68084-23-1

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CAS No.:68084-23-1

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Tetrasodium 4-Amino-6-[[4'-[(1,8-Dihydroxy-3,6-Disulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]-5-Hydroxynaphthalene-1,3-Disulphonate is a high-purity, water-soluble polyazo dye belonging to the class of direct dyes. This compound is engineered for exceptional color strength and fastness properties, making it a critical component for demanding industrial coloration processes. It is primarily utilized by manufacturers in the textile, paper, and specialty ink industries seeking reliable and consistent dye performance.

Application

Textile Dyeing: Primary application for dyeing cellulosic fibers like cotton, viscose, and rayon, offering good wash and light fastness.
Paper Coloring: Used in the production of colored papers, including specialty packaging and decorative papers, due to its affinity for cellulose.
Leather Finishing: Employed in the dyeing of leather goods to achieve deep, uniform shades.
Ink Formulation: A key pigment for manufacturing inks, including those for flexographic and inkjet printing.
Biological Staining: Potential use as a histological stain in laboratory settings, given its specific affinity.
Colorant for Soaps & Detergents: Used to impart color to non-food consumer products.

Basic Information


Product Name	Tetrasodium 4-Amino-6-[[4'-[(1,8-Dihydroxy-3,6-Disulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]-5-Hydroxynaphthalene-1,3-Disulphonate
CAS No.	68084-23-1
Molecular Formula	C40H24N6Na4O20S4
Molecular Weight	~1156.88 g/mol
Synonyms	Direct Blue 1; C.I. 24410; Direct Blue 1, Tetrasodium Salt; Amanil Sky Blue FF; Atlantic Sky Blue FF; Benzo Sky Blue FF; Chloramine Sky Blue FF; Diazine Sky Blue FF; Pontamine Sky Blue FF
EINECS	Contact for details

Quality Control

Our production of Tetrasodium 4-Amino-6-[[4'-[(1,8-Dihydroxy-3,6-Disulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]-5-Hydroxynaphthalene-1,3-Disulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance. Every lot is analyzed against industry-standard specifications for color value, purity, and solubility. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Dark Blue to Bluish-Black Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 90% (as is)
Color Strength	100 ± 5% (vs. Standard)
Moisture Content	≤ 8.0 %
Water Solubility	Clear Solution
pH (1% Solution)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 20 ppm