Description

6'-Nitro-3-Methylspiro[2H-Naphtho[2,3-B]Pyran-2,2'-[2H][1]Benzopyran] is a sophisticated organic compound belonging to the spirocyclic and photochromic dye family. This compound matters for its unique molecular architecture, which provides exceptional light-responsive properties and structural stability for advanced material science applications. It is primarily needed by R&D chemists and manufacturers in the fields of optical data storage, photochromic lenses, smart textiles, and molecular switches.

Application

• Photochromic Materials: Key intermediate for manufacturing lenses, coatings, and films that reversibly change color or opacity upon exposure to UV light.
• Optical Data Storage: Used in the development of high-density, write-once or rewritable optical media due to its light-sensitive switching capabilities.
• Molecular Electronics & Switches: Serves as a core component in the design of light-activated molecular switches and logic gates for nanoscale devices.
• Advanced Sensor Technology: Incorporated into chemical and biological sensors where a photochromic response is used for signal transduction.
• Security Inks & Dyes: Utilized in anti-counterfeiting applications for currency, documents, and high-value products, offering a covert, light-activated security feature.
• Academic & Industrial Research: A critical reagent for studying photochromism, spiro-compound chemistry, and the synthesis of novel functional materials.

Basic Information

Item	Detail
Product Name	6'-Nitro-3-Methylspiro[2H-Naphtho[2,3-B]Pyran-2,2'-[2H][1]Benzopyran]
CAS No.	73928-06-0
Molecular Formula	C24H17NO4
Molecular Weight	383.40 g/mol
Synonyms	6'-Nitro-3-methylspiro[2H-naphtho[2,3-b]pyran-2,2'-[2H]benzopyran]; 3-Methyl-6'-nitrospiro(2H-naphtho[2,3-b]pyran-2,2'-(2'H)benzopyran); Spiro[naphtho[2,3-b]pyran-2,2'-benzopyran], 6'-nitro-3-methyl-; Photochromic Spirooxazine Derivative; Light-Sensitive Spiro Compound; NO2-Spirooxazine; 73928-06-0
EINECS	Contact for details

Quality Control

Our production of 6'-Nitro-3-Methylspiro[2H-Naphtho[2,3-B]Pyran-2,2'-[2H][1]Benzopyran] adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. All materials are characterized using advanced analytical techniques including HPLC, NMR, and Mass Spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere when appropriate to prevent degradation. Keep away from strong acids, strong bases, and oxidizing agents.

Specification

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

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