Description

4-[[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol)-4-Yl]Azo]-3-Hydroxy-1-Naphthalenesulfonic Acid is a high-purity azo dye intermediate and analytical reagent known for its distinct chromophoric properties. This compound is valued for its role in synthesizing specialized dyes and pigments, as well as its utility in colorimetric detection methods. It is primarily sought by manufacturers and R&D laboratories in the dye and pigment, analytical chemistry, and fine chemical synthesis sectors.

Application

• Key intermediate for the synthesis of high-performance azo dyes and pigments.
• Used as a chromogenic reagent in analytical chemistry for colorimetric assays and metal ion detection.
• Potential component in the development of sensitizers for photographic and imaging materials.
• Research chemical for studying azo coupling reactions and photochemical properties.
• Starting material for producing specialized textile and leather dyes.
• Used in the formulation of inks and coatings requiring specific color characteristics.

Basic Information

Product Name	4-[[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol)-4-Yl]Azo]-3-Hydroxy-1-Naphthalenesulfonic Acid
CAS No.	14954-75-7
Molecular Formula	C20H16N4O5S
Molecular Weight	424.43 g/mol
Synonyms	3-Hydroxy-4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)azo]naphthalene-1-sulfonic acid; C.I. 18050; Acid Orange 86; 4-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-1-naphthalenesulfonic acid; 1-Naphthalenesulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-; 4-[(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)azo]-3-hydroxynaphthalene-1-sulfonic acid
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide comprehensive quality assurance, with Certificates of Analysis (COA) available upon request for every batch, detailing purity, identity, and relevant impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. The compound may be light-sensitive; store away from light.

Specification

Item	Specification
Appearance	Orange to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals	≤ 20 ppm

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