Description

1-(2:5-Dichloro-4-Sulphophenyl)-3-Methyl-5-Pyrazolone is a specialized pyrazolone derivative, a key chemical intermediate valued for its reactive heterocyclic structure. Its primary commercial importance lies in its role as a versatile building block for synthesizing more complex molecules, particularly in the production of dyes, pigments, and active pharmaceutical ingredients (APIs). This compound is essential for manufacturers and R&D facilities in the fine chemical, pharmaceutical, and agrochemical sectors seeking to develop high-performance products.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Pharmaceutical Synthesis: Serves as a key building block in the development of various pharmacologically active compounds and APIs.
• Agrochemical Manufacturing: Used in the synthesis of certain herbicides, fungicides, and other crop protection agents.
• Chemical Research & Development: Employed as a versatile reagent for constructing novel heterocyclic compounds in academic and industrial R&D labs.
• Photographic Chemical: Can be utilized in the synthesis of certain chemicals used in photographic development processes.
• Complexing Agent Precursor: Its structure makes it suitable for creating ligands and chelating agents for metal ions.

Basic Information

Product Name	1-(2:5-Dichloro-4-Sulphophenyl)-3-Methyl-5-Pyrazolone
CAS No.	7253-04-5
Molecular Formula	C10H8Cl2N2O4S
Molecular Weight	323.15 g/mol
Synonyms	1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone; 3-Methyl-1-(2,5-dichloro-4-sulfophenyl)-2-pyrazolin-5-one; 5-Pyrazolone, 1-(2,5-dichloro-4-sulfophenyl)-3-methyl-; 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-1H-pyrazol-5-ol; Pyrazolone DCSP; 2,5-Dichloro-4-sulfo phenyl methyl pyrazolone
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. Quality is verified through multiple analytical techniques including HPLC, IR, and titration methods. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every batch shipped.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials.

Specification

Item	Specification
Appearance	Light yellow to yellow powder
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.