Description

Disodium 3,3'-[Cyclohexylidenebis[(2-Methoxy-4,1-Phenylene)Azo]]Bis(4,6-Dihydroxynaphthalene-2-Sulphonate) is a high-purity, synthetic organic dye intermediate of significant industrial importance. This compound is valued for its role as a key precursor in the production of high-performance dyes and pigments, offering excellent color properties and structural stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for creating vivid and durable colorants.

Application

• Primary Intermediate for Dyes & Pigments: Serves as a crucial building block in the synthesis of azo dyes, particularly for textile fibers like cotton, wool, and nylon.
• Specialty Ink Formulations: Used in the production of high-quality inks for packaging, security printing, and digital textile printing.
• Functional Colorants: Employed in the development of colorants for plastics, coatings, and other polymer applications requiring light and heat stability.
• Research & Development: Utilized in chemical research for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Reagent: Can be used as a standard or reagent in analytical chemistry for colorimetric assays and detection methods.

Basic Information

Item	Detail
Product Name	Disodium 3,3'-[Cyclohexylidenebis[(2-Methoxy-4,1-Phenylene)Azo]]Bis(4,6-Dihydroxynaphthalene-2-Sulphonate)
CAS No.	6459-69-4
Molecular Formula	C40H30N4Na2O12S2
Molecular Weight	860.78 g/mol
Synonyms	Acid Blue 161; C.I. 15706; Disodium 6,6'-(Cyclohexane-1,1-diyl)bis(2-hydroxy-5-methoxy-3-((4-sulfonatonaphthalen-2-yl)diazenyl)benzenesulfonate); C.I. Acid Blue 161; 6459-69-4; Acid Blue 161, Disodium salt; Benzenesulfonic acid, 6,6'-(cyclohexylidene)bis[2-hydroxy-5-methoxy-3-[(2-sulfo-1-naphthalenyl)azo]-, disodium salt
EINECS	229-264-1

Quality Control

Our production of Disodium 3,3'-[Cyclohexylidenebis[(2-Methoxy-4,1-Phenylene)Azo]]Bis(4,6-Dihydroxynaphthalene-2-Sulphonate) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical composition. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed when not in use to prevent degradation from moisture absorption and photochemical reactions.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Complete, clear solution

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