Description

Anthrapyrazole CAS NO 91440-30-1 is a high-purity, specialized organic compound belonging to the fused heterocyclic class. It serves as a critical advanced intermediate and functional chromophore in the synthesis of high-performance dyes and pigments. This product is essential for manufacturers and R&D teams in the specialty chemicals, advanced materials, and organic electronics sectors seeking to develop products with specific optical or electronic properties.

Application

• Dye & Pigment Intermediate: A key building block for synthesizing high-value anthraquinone and polycyclic dyes, particularly for applications requiring specific color fastness and stability.
• Functional Material Synthesis: Used in the development of organic semiconductors, photoconductive materials, and charge-transport layers for electronic devices.
• Laser Dye Precursor: Serves as a precursor for dyes used in tunable dye lasers and other photonic applications due to its fused ring structure.
• Research & Development: A valuable compound for academic and industrial research in organic chemistry, materials science, and photophysics.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and spectroscopic studies.
• Specialty Polymer Additive: Potential use as a monomer or additive to impart specific optical characteristics to advanced polymers.

Basic Information

Item	Details
Product Name	Anthrapyrazole
CAS No.	91440-30-1
Molecular Formula	C15H8N2O
Molecular Weight	232.24 g/mol
Synonyms	Anthra[1,9-cd]pyrazol-6(2H)-one; 6H-Anthra[1,9-cd]pyrazol-6-one; Anthrapyrazolone; AQ dye intermediate; Fused pyrazole derivative
EINECS	Contact for details

Quality Control

Our Anthrapyrazole is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for advanced synthesis and research. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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