Description

Ammonium Hydrogen 5-[[2-[4-[[4-(Dimethylamino)Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-4-Sulphonatophenyl]Sulphonyl]Salicylate is a high-purity, functional organic salt with a complex molecular structure designed for advanced chemical synthesis. This compound serves as a critical intermediate or functional additive, offering unique photophysical and chemical properties derived from its integrated pyrazolone and salicylate moieties. It is essential for manufacturers in the specialty dyes, optical materials, and advanced pharmaceutical research sectors seeking precise molecular control.

Application

• Specialty Dye & Pigment Intermediate: A key precursor for synthesizing high-performance, water-soluble azo dyes and pigments with specific color fastness and light absorption properties.
• Optical Material Synthesis: Used in the development of non-linear optical (NLO) materials, fluorescent markers, and photochromic compounds due to its extended conjugated system.
• Pharmaceutical Research Chemical: Acts as a sophisticated building block in medicinal chemistry for creating novel drug candidates, particularly those targeting specific biological pathways.
• Analytical Reagent: Employed as a complexometric agent or a chromogenic substrate in specific spectrophotometric detection methods.
• Functional Polymer Additive: Incorporated into polymer matrices to impart specific ionic, UV-absorbing, or self-assembly characteristics to advanced materials.

Basic Information

Product Name	Ammonium Hydrogen 5-[[2-[4-[[4-(Dimethylamino)Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-4-Sulphonatophenyl]Sulphonyl]Salicylate
CAS No.	84100-44-7
Molecular Formula	C26H25N3O9S2 • NH4 (or C26H29N4O9S2)
Molecular Weight	Approx. 605.67 g/mol (Ammonium salt form)
Synonyms	5-[[2-[4-[[4-(Dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-4-sulfonatophenyl]sulfonyl]-2-hydroxybenzoic acid, ammonium salt; Ammonium 5-((2-(4-((4-(dimethylamino)benzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-5-sulfonatophenyl)sulfonyl)-2-hydroxybenzoate; Azo pyrazolone salicylate derivative; Light-sensitive azo compound intermediate; Acid Yellow 199 related compound (precursor).
EINECS	Contact for details

Quality Control

Every batch of our Ammonium Hydrogen 5-[[2-[4-[[4-(Dimethylamino)Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-4-Sulphonatophenyl]Sulphonyl]Salicylate is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, NMR, and mass spectrometry to verify identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment to ensure it meets your precise research or production specifications.

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). This material is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Area Percent)
Water Content (KF)	≤ 5.0 % w/w
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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