Description

5-[[4-[[7-[4,5-Dihydro-3-Methyl-5-Oxo-4-(Phenylazo)-1H-Pyrazol-1-Yl]-3-Hydroxy-1-Sulpho-2-Naphthyl]Azo]-3-Methoxy-7-Sulpho-1-Naphthyl]Azo]Salicylic Acid is a high-purity, complex azo dye intermediate and analytical reagent. This compound is valued for its precise molecular structure, which provides excellent chromophoric properties and chelating ability. It is primarily utilized in the production of specialized dyes and pigments, as well as a critical reagent in colorimetric analysis and metal ion detection for quality control laboratories.

Application

• Specialized Dye & Pigment Synthesis: A key intermediate for manufacturing high-performance azo dyes used in textiles, inks, and coatings.
• Analytical Chemistry Reagent: Employed as a chromogenic agent in spectrophotometric methods for the detection and quantification of specific metal ions.
• Research & Development: Used in chemical research for studying azo coupling reactions and developing new colorants or functional materials.
• Laboratory Standards: Serves as a pure reference standard for calibrating analytical instruments and validating test methods.

Basic Information

Item	Detail
Product Name	5-[[4-[[7-[4,5-Dihydro-3-Methyl-5-Oxo-4-(Phenylazo)-1H-Pyrazol-1-Yl]-3-Hydroxy-1-Sulpho-2-Naphthyl]Azo]-3-Methoxy-7-Sulpho-1-Naphthyl]Azo]Salicylic Acid
CAS No.	68400-30-6
Molecular Formula	C34H23N7O11S2
Molecular Weight	769.71 g/mol
Synonyms	Acid Red 404 (C.I. Name); 5-[(4-[(7-[4,5-Dihydro-3-methyl-5-oxo-4-(phenylazo)-1H-pyrazol-1-yl]-3-hydroxy-1-sulfo-2-naphthyl)azo]-3-methoxy-7-sulfo-1-naphthyl)azo]salicylic acid; 5-[(4-[(7-[4,5-Dihydro-3-methyl-5-oxo-4-(phenylazo)-1H-pyrazol-1-yl]-3-hydroxy-1-sulfo-2-naphthyl)azo]-3-methoxy-7-sulfo-1-naphthyl)azo]-2-hydroxybenzoic acid; Azo dye intermediate 68400-30-6; Salicylic acid azo dye derivative; C.I. 18075; Mordant dye intermediate
EINECS	Contact for details

Quality Control

Our production of 5-[[4-[[7-[4,5-Dihydro-3-Methyl-5-Oxo-4-(Phenylazo)-1H-Pyrazol-1-Yl]-3-Hydroxy-1-Sulpho-2-Naphthyl]Azo]-3-Methoxy-7-Sulpho-1-Naphthyl]Azo]Salicylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and reliability for industrial and laboratory applications. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

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

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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