Description

5-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonaphthalen-1-Yl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylic Acid is a high-purity, complex azo dye intermediate with a distinct molecular structure. This compound matters for its role as a critical precursor in synthesizing specialized dyes and pigments, offering excellent color fastness and stability. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

This advanced azo compound serves as a key building block in several industrial colorant processes. Its primary and related applications include:

• Textile Dye Synthesis: As a core intermediate for producing acid dyes and reactive dyes used on wool, silk, and nylon.
• Ink and Pigment Manufacturing: For formulating high-quality printing inks and organic pigments requiring specific hue and durability.
• Research & Development: As a standard or experimental compound in chemical research for developing new chromophores and functional dyes.
• Specialty Coatings: In the production of colorants for industrial coatings and paints where lightfastness is critical.
• Biological Staining: Potential use as a staining agent or histochemical dye in laboratory settings, given its structural properties.

Basic Information

Product Name	5-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonaphthalen-1-Yl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylic Acid
CAS No.	94022-43-2
Molecular Formula	C37H28N6O7S
Molecular Weight	700.72 g/mol
Synonyms	5-[(4'-[(2-Amino-8-hydroxy-6-sulfo-1-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl)azo]salicylic acid; Acid Dye Intermediate 94022-43-2; Azo dye CAS 94022-43-2; Salicylic acid, 5-[[4'-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-; CI 18050 (related class); Disazo dye intermediate; [1,1'-Biphenyl]-4-carboxylic acid derivative
EINECS	Contact for details

Quality Control

Our production of 5-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonaphthalen-1-Yl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylic Acid adheres to stringent quality protocols. The material undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure batch-to-batch consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles 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 to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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