Description

1',3'-Dihydro-8-Methoxy-3',3'-Dimethyl-6-Nitro-1'-Octadecylspiro[2H-1-Benzopyran-2,2'-[2H]Indole] is a sophisticated organic compound belonging to the spirocyclic photochromic dye family, identified by CAS No. 73810-91-0. This compound is valued for its unique molecular structure, which imparts reversible light-responsive properties, making it a critical functional material in advanced optical applications. It is primarily sought by researchers and manufacturers in the fields of smart materials, optical data storage, and photodynamic therapy.

Application

• Photochromic Materials: Key component in the formulation of light-sensitive lenses, smart windows, and optical switches that change color or transparency upon exposure to specific light wavelengths.
• Molecular Switches & Sensors: Used in the development of molecular-scale switches and chemical sensors for biomedical diagnostics and environmental monitoring.
• Optical Data Storage: Potential application in high-density, rewritable optical memory devices due to its reversible photoisomerization.
• Advanced Research: Serves as a crucial intermediate or active compound in academic and industrial R&D for studying photophysical and photochemical processes.
• Functional Coatings & Inks: Incorporated into specialty coatings and security inks that exhibit color changes for anti-counterfeiting and authentication purposes.
• Photodynamic Therapy (PDT): Investigated for use in PDT as a photosensitizer agent activated by light to treat certain medical conditions.

Basic Information

Item	Details
Product Name	1',3'-Dihydro-8-Methoxy-3',3'-Dimethyl-6-Nitro-1'-Octadecylspiro[2H-1-Benzopyran-2,2'-[2H]Indole]
CAS No.	73810-91-0
Molecular Formula	C41H60N2O4
Molecular Weight	644.93 g/mol
Synonyms	1-Octadecyl-3,3-dimethyl-6-nitrospiro(2H-1-benzopyran-2,2'-indoline); 8-Methoxy-1',3'-dihydro-3',3'-dimethyl-6-nitro-1'-octadecylspiro[2H-1-benzopyran-2,2'-[2H]indole]; Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-8-methoxy-3',3'-dimethyl-6-nitro-1'-octadecyl-; 1'-Octadecyl-3,3-dimethyl-6-nitrospiro(2H-1-benzopyran-2,2'-indoline); Photochromic Spirooxazine derivative; C18-Spirooxazine; Light-sensitive spiro compound
EINECS	Contact for details

Quality Control

Our production of this high-purity photochromic compound adheres to strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods for structural confirmation, to ensure it meets the exacting standards required for research and advanced material synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profile.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature, handling and packaging should be performed under subdued light or amber glass to prevent premature isomerization and maintain product integrity.

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 (as Pb)	≤ 10 ppm

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