Description

3',6'-Dihydroxy-4-Nitrospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-3-One is a specialized organic compound belonging to the spiroxanthene class, valued for its unique photophysical properties and role as a key synthetic intermediate. This compound is critical for businesses requiring high-purity functional dyes, advanced material precursors, and research-grade chemical probes. It is primarily sought by manufacturers and R&D laboratories in the fine chemicals, analytical reagent, and advanced material sectors for developing innovative products.

Application

• Fluorescent Dye & Probe Synthesis: A crucial precursor for developing novel fluorescent markers and sensors used in bioimaging and diagnostic assays.
• Advanced Material Research: Serves as a building block for organic semiconductors, photochromic materials, and light-harvesting complexes.
• Analytical Chemistry: Used in the formulation of specialized reagents and indicators for spectrophotometric analysis and detection methods.
• Fine Chemical Intermediate: Employed in multi-step organic synthesis for pharmaceuticals and agrochemicals requiring complex spirocyclic architectures.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer precursor in the development of new therapeutic agents.

Basic Information

Product Name	3',6'-Dihydroxy-4-Nitrospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-3-One
CAS No.	3318-08-9
Molecular Formula	C20H11NO7
Molecular Weight	377.31 g/mol
Synonyms	4-Nitrofluorescein; 4-Nitrofluoresceine; 3',6'-Dihydroxy-4-nitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; 4-Nitrofluorane; Fluorescein, 4-nitro-; NSC 8365; 4-Nitrofluorescein (compound); 4-NF
EINECS	Contact for details

Quality Control

Our 3',6'-Dihydroxy-4-Nitrospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-3-One is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and research-grade standards. Comprehensive Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	Orange to red powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.5 %

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