Description

3-[[4-(Diethylamino)Phenyl]Azo]-1,2-Dimethyl-1H-Indazolium Methyl Sulphate is a high-purity cationic diazo dye intermediate, valued for its intense color properties and reactivity. This compound is essential for manufacturers requiring precise and stable chromophores for advanced applications. It is primarily used by producers of specialty dyes, pigments, and functional colorants serving the textile, ink, and advanced materials sectors.

Application

• Cationic Dye Synthesis: A key intermediate for manufacturing cationic (basic) dyes used in acrylic fiber dyeing.
• Specialty Ink Formulations: Used in the production of high-performance inks for digital printing and security applications.
• Functional Pigments: Serves as a precursor for creating pigments with specific optical or electronic properties.
• Research & Development: Employed in chemical research for developing new chromophores and studying azo dye chemistry.
• Photographic Sensitizers: Can be utilized in the formulation of light-sensitive layers for specialized photographic materials.
• Biological Staining: Potential use as a staining agent or probe in histological and cytological applications due to its cationic nature.

Basic Information

Product Name	3-[[4-(Diethylamino)Phenyl]Azo]-1,2-Dimethyl-1H-Indazolium Methyl Sulphate
CAS No.	84788-00-1
Molecular Formula	C21H29N5O4S
Molecular Weight	447.55 g/mol
Synonyms	Basic Red 46 (C.I. 110825); 1,2-Dimethyl-3-[(4-(diethylamino)phenyl)azo]-1H-indazolium methyl sulfate; Cationic Red GTL; Astrazon Red GTL; Azoic diazo component 46; 1H-Indazolium, 3-[(4-(diethylamino)phenyl)azo]-1,2-dimethyl-, methyl sulfate; Diethyl Red
EINECS	Contact for details

Quality Control

Our production of 3-[[4-(Diethylamino)Phenyl]Azo]-1,2-Dimethyl-1H-Indazolium Methyl Sulphate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. The material is characterized and tested against established in-house specifications, which are aligned with industry standards for dye intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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