Description

2-[[(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Methyl]Azo]-4-Nitrophenol CAS NO 85409-64-9 is a specialized azo dye intermediate belonging to the indole chemical family. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering excellent color strength and stability. It is primarily sought by manufacturers in the textile, ink, and specialty coatings industries for producing vibrant and durable colorants.

Application

• Dye Intermediate for Textiles: A key precursor in the synthesis of complex azo dyes used for coloring synthetic and natural fibers.
• Pigment Manufacturing: Used in the production of organic pigments for industrial paints, inks, and plastics.
• Research & Development: Serves as a valuable building block in chemical research for developing novel chromophores and functional materials.
• Specialty Coatings: Employed in formulating advanced coatings that require specific light-fastness and chemical resistance properties.
• Analytical Reagents: Potential use as a staining agent or indicator in specific analytical chemistry applications.

Basic Information

Item	Detail
Product Name	2-[[(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Methyl]Azo]-4-Nitrophenol
CAS No.	85409-64-9
Molecular Formula	C19H20N4O3
Molecular Weight	352.39 g/mol
Synonyms	4-Nitro-2-[(E)-[1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene]methyl]azo]phenol; 2-[(1,3,3-Trimethyl-2-indolinylidene)methyl]azo]-4-nitrophenol; C.I. Solvent Yellow 88; Azo dye intermediate 85409-64-9; 4-Nitro-2-[(1,3,3-trimethylindolin-2-ylidene)methylazo]phenol
EINECS	Contact for details

Quality Control

Our production of 2-[[(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Methyl]Azo]-4-Nitrophenol adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and NMR to verify identity and assay. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance processes.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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