Description

2-[1-(2-Chlorophenyl)-4,5-Dihydro-5-Methyl-1H-Pyrazol-3-Yl]-1,3,3-Trimethyl-3H-Indolium Hydrogen Sulphate is a high-purity, specialized organic salt with a complex heterocyclic structure, serving as a critical intermediate in advanced chemical synthesis. Its value lies in its precise molecular architecture, which is essential for constructing functional dyes, pigments, and other performance chemicals. This compound is primarily needed by R&D laboratories and manufacturers in the photographic, specialty dye, and advanced material sectors seeking to develop products with specific optical or electronic properties.

Application

• Synthesis of Cyanine Dyes: A key precursor for manufacturing specific classes of cyanine dyes used in photographic sensitizers and optical recording media.
• Specialty Pigment Intermediate: Employed in the production of high-performance pigments for niche applications requiring specific color fastness and stability.
• Research & Development: Used in academic and industrial R&D for exploring new heterocyclic compounds, particularly in the fields of organic electronics and photochemistry.
• Laser Dye Precursor: Potential intermediate in the synthesis of compounds used as laser dyes or fluorescent markers.
• Non-linear Optical Materials: Investigated for use in the development of materials for non-linear optics due to its indolium-based cationic structure.
• Chemical Biology Probes: Serves as a building block for creating fluorescent or photoactivatable probes for biological imaging and sensing applications.

Basic Information

Item	Details
Product Name	2-[1-(2-Chlorophenyl)-4,5-Dihydro-5-Methyl-1H-Pyrazol-3-Yl]-1,3,3-Trimethyl-3H-Indolium Hydrogen Sulphate
CAS No.	83969-22-6
Molecular Formula	C21H24ClN3O4S
Molecular Weight	449.95 g/mol
Synonyms	1,3,3-Trimethyl-2-[1-(2-chlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazol-3-yl]-3H-indolium hydrogen sulfate; 2-[1-(2-Chlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazol-3-yl]-1,3,3-trimethylindolinium hydrogen sulfate; 1,3,3-Trimethyl-2-[1-(2-chlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazol-3-yl]indolium hydrogen sulfate; (1,3,3-Trimethyl-2-(1-(2-chlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazol-3-yl)-3H-indol-1-ium) hydrogen sulfate; Indolium, 2-[1-(2-chlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazol-3-yl]-1,3,3-trimethyl-, hydrogen sulfate (1:1)
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. While typically supplied in research or technical grades, specifications can be tailored to meet specific project requirements. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to maintain stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (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.