Description

Lithium 3-[[4-[(4-Hydroxy-3-Methylphenyl)Azo]-3-Methoxyphenyl]Azo]Benzenesulphonate is a high-purity lithium salt of a specialized disazo dye, valued for its excellent solubility and color strength. This compound is engineered to deliver consistent and vibrant coloration in demanding industrial applications where stability and performance are critical. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries for its reliable dyeing properties.

Application

• Textile Dyeing: Used as a key dye component for synthetic fibers like polyester and nylon, providing deep, wash-fast colors.
• Ink Formulation: Serves as a colorant in solvent-based and specialty printing inks for packaging and security printing.
• Industrial Coatings: Imparts color to coatings for plastics, metals, and other substrates requiring high durability.
• Plastics and Polymers: Employed for mass coloration of engineering plastics and synthetic resins.
• Leather Finishing: Used in dyeing processes for leather goods to achieve specific color shades.
• Research & Development: Acts as a chemical intermediate or reference standard in the synthesis of new dyes and pigments.

Basic Information

Product Name	Lithium 3-[[4-[(4-Hydroxy-3-Methylphenyl)Azo]-3-Methoxyphenyl]Azo]Benzenesulphonate
CAS No.	51988-24-0
Molecular Formula	C20H15LiN4O5S
Molecular Weight	422.3 g/mol
Synonyms	Lithium 3-[[4-[(4-Hydroxy-3-methylphenyl)azo]-3-methoxyphenyl]azo]benzenesulfonate; Benzenesulfonic acid, 3-[[4-[(4-hydroxy-3-methylphenyl)azo]-3-methoxyphenyl]azo]-, lithium salt; C.I. Solvent Yellow 82; Solvent Yellow 82; Lithium salt of C.I. Acid Yellow 219; Disazo dye lithium salt; 3-[[4-[(4-Hydroxy-3-methylphenyl)diazenyl]-3-methoxyphenyl]diazenyl]benzenesulfonic acid lithium salt
EINECS	Contact for details

Quality Control

Our production of Lithium 3-[[4-[(4-Hydroxy-3-Methylphenyl)Azo]-3-Methoxyphenyl]Azo]Benzenesulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. The material is manufactured under a quality management system and undergoes comprehensive analytical testing. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every batch upon request.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in polar organic solvents

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