Description

2-Benzyl-1-(2-Hydroxyethyl)-3-[(2-Methyl-1H-Indol-3-Yl)Azo]-1H-Pyrazolium Chloride CAS NO 64611-96-7 is a specialized cationic azo dye intermediate with a complex heterocyclic structure. This compound is valued for its ability to impart specific color properties and functional characteristics in advanced material science applications. It is primarily utilized by manufacturers in the dye and pigment, specialty chemical, and advanced polymer industries seeking high-performance intermediates for niche formulations.

Application

• Cationic Dye Synthesis: A key intermediate for producing specialized cationic dyes used in textile coloration, particularly for acrylic and modified polyamide fibers.
• Functional Pigment Production: Used in the manufacture of high-value pigments for inks, coatings, and plastics requiring specific lightfastness and hue.
• Research & Development: Serves as a building block in organic synthesis for novel chromophores and photoactive materials in academic and industrial R&D settings.
• Analytical Chemistry: Potential use as a staining agent or indicator in specific histochemical and analytical applications due to its azo and cationic nature.
• Specialty Polymer Modification: Can be incorporated into polymer chains to introduce chromophoric or charge-modifying functionalities.

Basic Information

Product Name	2-Benzyl-1-(2-Hydroxyethyl)-3-[(2-Methyl-1H-Indol-3-Yl)Azo]-1H-Pyrazolium Chloride
CAS No.	64611-96-7
Molecular Formula	C27H26ClN5O
Molecular Weight	472.0 g/mol (approx.)
Synonyms	2-Benzyl-1-(2-hydroxyethyl)-3-[(2-methyl-1H-indol-3-yl)azo]-1H-pyrazolium chloride; C.I. Basic Red 29; Azoic diazo component 42; 1H-Pyrazolium, 2-benzyl-1-(2-hydroxyethyl)-3-[(2-methyl-1H-indol-3-yl)azo]-, chloride; Cationic azo dye intermediate 64611-96-7
EINECS	Contact for details

Quality Control

Our production of 2-Benzyl-1-(2-Hydroxyethyl)-3-[(2-Methyl-1H-Indol-3-Yl)Azo]-1H-Pyrazolium Chloride adheres to stringent quality management protocols. Every batch is analyzed to ensure consistent chemical identity, purity, and performance characteristics. Certificates of Analysis (COA) documenting key specifications are provided to guarantee traceability and 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 room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.