Description

3-Acetyl-1-[2.5-Disulfophenyl]-2-Pyrazdin-5One,Dipotassium is a specialized organic salt characterized by its unique pyrazolone and disulfophenyl structure. This compound is valued for its role as a key synthetic intermediate and functional additive in advanced chemical manufacturing. It is primarily sought by industries involved in the production of high-performance dyes, pigments, and functional materials where its specific chemical architecture imparts valuable properties.

Application

• Dye and Pigment Intermediate: A critical building block in the synthesis of high-value, water-soluble azo dyes and pigments, particularly those requiring enhanced solubility and chromophoric properties.
• Functional Material Synthesis: Used in the research and development of advanced organic materials, including optical brighteners and specialty polymers.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis for pharmaceutical and agrochemical research due to its reactive acetyl and sulfonate groups.
• Analytical Chemistry: Can be employed as a standard or a complexing agent in specific analytical methodologies.
• Photographic Chemicals: Potential application in the formulation of specialized photographic chemicals and sensitizers.

Basic Information

Product Name	3-Acetyl-1-[2.5-Disulfophenyl]-2-Pyrazdin-5One,Dipotassium
CAS No.	125748-30-3
Molecular Formula	C12H8K2N2O8S2
Molecular Weight	450.53 g/mol
Synonyms	Dipotassium 3-acetyl-1-(2,5-disulfophenyl)-5-pyrazolone; 1-(2,5-Disulfophenyl)-3-acetyl-5-pyrazolone dipotassium salt; 3-Acetyl-1-(2,5-disulfophenyl)-2-pyrazolin-5-one dipotassium salt; 3-Acetyl-1-(2,5-disulfophenyl)-5-pyrazolone dipotassium salt; FD&C Yellow No. 5 Intermediate; Tartrazine Intermediate; Acid Yellow 23 Intermediate; C.I. 19140 Intermediate
EINECS	Contact for details

Quality Control

Our production of 3-Acetyl-1-[2.5-Disulfophenyl]-2-Pyrazdin-5One,Dipotassium adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and reliability for industrial applications. Certificates of Analysis (COA) documenting key specifications are 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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