Description

Naphthofluorescein CAS NO 61419-02-1 is a specialized organic dye belonging to the fluorescein family, characterized by its extended aromatic naphthalene-based structure. This compound matters as a highly sensitive and selective fluorescent probe and indicator, offering distinct spectral properties for advanced analytical and research applications. It is primarily needed by professionals in the life sciences, analytical chemistry, and materials research sectors for applications such as pH sensing, metal ion detection, and as a tracer in biological assays.

Application

• Fluorescent Probe & Indicator: Used as a sensitive fluorescent probe for detecting and quantifying specific metal ions or changes in pH in analytical systems.
• Biochemical Research: Employed in life science research for labeling, staining, or as a tracer in various bioassay and cellular imaging protocols.
• Sensor Development: A key component in the fabrication of optical chemical sensors and test strips for environmental or clinical monitoring.
• Photophysical Studies: Utilized in academic and industrial research to study photochemical properties, energy transfer, and dye-polymer interactions.
• Non-Biological Staining: Potential use as a colorant or marker in specific industrial or materials science applications.

Basic Information

Product Name	Naphthofluorescein
CAS No.	61419-02-1
Molecular Formula	C28H16O5
Molecular Weight	432.42 g/mol
Synonyms	2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)-1-naphthoic acid; 3',6'-Dihydroxy-1-naphthofluorescein; Naphthofluorescein; 1-Naphthofluorescein; 1-NF; 1-Naphthylfluorescein; Naphthofluorescein I; CI 45350:2
EINECS	Contact for details

Quality Control

Our Naphthofluorescein is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods and purity assessment by HPLC. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect the product from moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	Orange to red powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Fluorescence Properties	Conforms to reference

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