Description

1-(3'-Sulfophenyl)-3-Methyl-5-Aminopyrazol CAS NO 23646-86-8 is a high-purity, sulfonated pyrazolone derivative, serving as a critical intermediate in advanced organic synthesis. Its primary commercial value lies in its role as a key building block for the production of high-performance dyes, pigments, and functional colorants. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop products with enhanced color fastness, solubility, and specific optical properties.

Application

• Dye & Pigment Intermediate: A crucial precursor for synthesizing acid dyes, reactive dyes, and azo pigments, particularly for textile and leather coloring.
• Functional Colorant Production: Used in manufacturing colorants for inks, coatings, and plastics where specific sulfonic acid groups are required for solubility and application performance.
• Chemical Research & Development: Serves as a versatile building block in organic synthesis for creating novel heterocyclic compounds and fine chemicals.
• Photographic Chemicals: Potential application as a coupler or intermediate in the synthesis of specialized photographic chemicals.
• Analytical Reagent: May be utilized as a reagent or standard in analytical chemistry for method development and quality control.

Basic Information

Product Name	1-(3'-Sulfophenyl)-3-Methyl-5-Aminopyrazol
CAS No.	23646-86-8
Molecular Formula	C10H11N3O3S
Molecular Weight	253.28 g/mol
Synonyms	5-Amino-1-(3-sulfophenyl)-3-methyl-1H-pyrazole; 3-Methyl-1-(3-sulfophenyl)-5-pyrazolamine; 1-(3-Sulfophenyl)-3-methyl-5-aminopyrazole; 5-Amino-3-methyl-1-(3-sulfophenyl)pyrazole; 1H-Pyrazole-5-amine, 1-(3-sulfophenyl)-3-methyl-; Pyrazol intermediate SP; Aminopyrazol sulfonic acid derivative
EINECS	Contact for details

Quality Control

Our production of 1-(3'-Sulfophenyl)-3-Methyl-5-Aminopyrazol adheres to stringent quality management protocols. Each batch is analyzed to ensure high chemical purity and consistency, meeting the rigorous demands of industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee supply reliability and product traceability.

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 sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Light yellow to beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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