Description

p-(p-Dimethylaminophenylazo)Benzoic Acid Sodium Salt is a high-purity azo dye intermediate and analytical reagent. This compound is valued for its distinct chromophoric properties and reactivity, making it a critical component in specialized chemical synthesis and research. It is primarily sought by manufacturers and R&D laboratories in the dyes and pigments, analytical chemistry, and life sciences sectors.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of specific azo dyes and colorants for textiles, inks, and specialty coatings.
• pH Indicator: Used in the formulation of pH-sensitive indicators for analytical chemistry and laboratory testing.
• Biological Staining: Employed as a staining agent in histology and microscopy for cellular and tissue analysis.
• Chemical Research: Serves as a building block or reagent in organic synthesis and photochemical research due to its azo and carboxylate functionalities.
• Analytical Reagent: Utilized in spectrophotometric methods and as a standard in chromatographic analysis.

Basic Information

Product Name	p-(p-Dimethylaminophenylazo)Benzoic Acid Sodium Salt
CAS No.	845-46-5
Molecular Formula	C17H16N3NaO2
Molecular Weight	317.32 g/mol
Synonyms	4-[(4-Dimethylamino)phenylazo]benzoic acid sodium salt; Sodium 4-[(4-dimethylaminophenyl)azo]benzoate; C.I. Solvent Yellow 7; Sudan Yellow GGA; p-(p-Dimethylaminobenzeneazo)benzoate sodium; Azoic Diazo Component 106; D&C Yellow No. 7 (when specified); Light Green SF Yellowish (historical)
EINECS	212-690-2

Quality Control

Our p-(p-Dimethylaminophenylazo)Benzoic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC and spectrophotometric analysis, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your technical requirements.

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 tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines
pH (1% solution)	7.0 - 9.0

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