Description

2,7-Dinitro-9-Oxo-9H-Fluorene-4-Carboxylic Acid Butyl Ester is a specialized nitrofluorenone derivative, a high-value intermediate prized for its unique electron-accepting properties and functionalized aromatic structure. This compound is critical for advanced material science and fine chemical synthesis, where precise molecular architecture is required. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and organic electronics industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex heterocyclic compounds and potential active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, pesticides, and plant growth regulators due to its bioactive fluorenone core.
• Organic Electronic Materials: Acts as an electron-accepting moiety or a precursor in the production of organic semiconductors, dyes, and pigments for OLEDs and solar cells.
• Chemical Research & Development: Employed as a versatile reagent in organic synthesis for introducing nitro and ester functionalities into complex molecular frameworks.
• Polymer Chemistry: Can be utilized as a monomer or functional additive to modify polymer properties, such as thermal stability or optical characteristics.
• Analytical Chemistry: May serve as a reference standard or a derivatization agent in chromatographic analysis and spectroscopic studies.

Basic Information

Product Name	2,7-Dinitro-9-Oxo-9H-Fluorene-4-Carboxylic Acid Butyl Ester
CAS No.	93519-67-6
Molecular Formula	C₁₈H₁₄N₂O₇
Molecular Weight	370.31 g/mol
Synonyms	Butyl 2,7-Dinitro-9-oxo-9H-fluorene-4-carboxylate; 9H-Fluorene-4-carboxylic acid, 2,7-dinitro-9-oxo-, butyl ester; 2,7-Dinitrofluoren-9-one-4-carboxylic Acid Butyl Ester; 4-(Butoxycarbonyl)-2,7-dinitro-9H-fluoren-9-one; DNFA Butyl Ester
EINECS	Contact for details

Quality Control

Our 2,7-Dinitro-9-Oxo-9H-Fluorene-4-Carboxylic Acid Butyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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