Description

Naphthofluorescein Diacetate is a high-purity, functionalized fluorescein derivative used as a critical reagent and precursor in advanced chemical synthesis. Its value lies in its role as a protected intermediate for creating sensitive fluorescent probes and dyes with enhanced photostability and specific reactivity. This compound is essential for researchers and manufacturers in the life sciences, analytical chemistry, and specialty materials sectors who require precise fluorophore building blocks.

Application

• Fluorescent Probe Synthesis: Acts as a key protected intermediate for developing sensitive chemical sensors and bioimaging agents.
• Bioconjugation & Labeling Reagents: Used to create activated esters or other derivatives for tagging proteins, antibodies, and nucleic acids.
• Advanced Material Development: Serves as a monomer or dopant in the research of photonic crystals, OLEDs, and other optoelectronic materials.
• Analytical Chemistry Standards: Employed as a reference standard or calibrant in HPLC and fluorescence spectroscopy methods.
• Enzyme Substrate Precursor: Used in the design of fluorogenic substrates for detecting enzymatic activity (e.g., esterases).
• Research & Development: A versatile building block in academic and industrial R&D for novel dye and indicator chemistry.

Basic Information

Product Name	Naphthofluorescein Diacetate
CAS No.	77084-71-0
Molecular Formula	C32H22O8
Molecular Weight	534.51 g/mol
Synonyms	Naphthofluorescein diacetate; 3',6'-Bis(acetyloxy)-2',7'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one; 3',6'-Diacetylfluorescein; Naphthofluorescein O,O'-diacetate; 2',7'-Dihydroxy-3',6'-diacetylspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; Naphthofluorescein diacetyl ester; NFD; Naphthofluorescein DA
EINECS	Contact for details

Quality Control

Our Naphthofluorescein Diacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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