Description

Disodium 5-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonato-1-Naphthyl)Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate with a complex, multi-functional structure. This compound matters for its role as a critical precursor in synthesizing specialized dyes and pigments, offering excellent color strength and stability. It is primarily needed by manufacturers in the textile, ink, and specialty coatings industries for producing vibrant and durable colorants.

Application

• Primary intermediate for the synthesis of acid dyes and direct dyes used in textile printing and dyeing.
• Key component in the production of high-performance pigments for industrial inks and coatings.
• Used in research and development of functional dyes for specialized applications, including optical media and sensors.
• Potential use as a colorant or intermediate in the manufacture of paper and leather products.
• Serves as a standard or reference compound in analytical chemistry and quality control laboratories.

Basic Information

Product Name	Disodium 5-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonato-1-Naphthyl)Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylate
CAS No.	2429-84-7
Molecular Formula	C35H23N5Na2O9S
Molecular Weight	751.63 g/mol
Synonyms	Disodium 5-({4'-[(2-Amino-8-hydroxy-6-sulfo-1-naphthyl)azo][1,1'-biphenyl]-4-yl}azo)salicylate; C.I. 27290; Acid Brown 354; 5-[[4'-[(2-Amino-8-Hydroxy-6-Sulfo-1-Naphthyl)Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylic Acid, Disodium Salt; Salicylic acid, 5-[[4'-[(2-amino-8-hydroxy-6-sulfo-1-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 5-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonato-1-Naphthyl)Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) documenting all critical parameters are available 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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