Description

4-[(2-Hydroxy-1-Naphthalenyl)Azo]-n-[4-[(2-Hydroxy-1-Naphthalenyl)Azo]Phenyl]Benzamide is a high-purity, specialized azo dye intermediate known for its complex molecular structure and colorant properties. This compound is critical for synthesizing high-performance pigments and dyes that require excellent lightfastness and thermal stability. It is primarily sought by manufacturers in the pigments, advanced polymers, and specialty chemical coatings industries for demanding applications.

Application

• High-Performance Pigment Synthesis: A key intermediate for producing complex organic pigments used in automotive paints, industrial coatings, and plastics.
• Specialty Dye Manufacturing: Used in the creation of dyes for textiles, inks, and other materials requiring specific color properties and durability.
• Functional Material Development: Serves as a building block in research and production of advanced materials, including liquid crystals and optical filters.
• Analytical Chemistry Reagent: Can be utilized as a chromogenic agent or standard in analytical methods and quality control laboratories.
• Polymer Additive: Incorporated into polymers to impart specific coloration or functional characteristics for specialized end-use products.

Basic Information

Product Name	4-[(2-Hydroxy-1-Naphthalenyl)Azo]-n-[4-[(2-Hydroxy-1-Naphthalenyl)Azo]Phenyl]Benzamide
CAS No.	68155-72-6
Molecular Formula	C33H22N4O3
Molecular Weight	522.56 g/mol
Synonyms	Benzamide, N-[4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]-4-[(2-hydroxy-1-naphthalenyl)azo]-; C.I. Pigment Red 187; C.I. 12467; N-[4-[(2-Hydroxy-1-naphthyl)azo]phenyl]-4-[(2-hydroxy-1-naphthyl)azo]benzamide; 4,4'-[(Carbaniloylimino)di-2,1-phenyleneazo]di-2-naphthol; Pigment Red 187; PR 187; Azo Dye Intermediate 68155-72-6
EINECS	Contact for details

Quality Control

Our production of 4-[(2-Hydroxy-1-Naphthalenyl)Azo]-n-[4-[(2-Hydroxy-1-Naphthalenyl)Azo]Phenyl]Benzamide adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or regulatory requirements.

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 and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%

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