Description

8'-Methoxy-1,3,3,5-Tetramethyl-6'-Nitrospiro[Indoline-2,2'-Thiochromene] is a specialized spirocyclic organic compound belonging to the photochromic and electrochromic materials class, identified by CAS NO 92990-73-3. This compound is valued for its unique molecular architecture, which imparts specific light-responsive and electronic properties critical for advanced material science applications. It is primarily sought by R&D laboratories and manufacturers in the fields of smart materials, optical data storage, and specialty dyes and pigments.

Application

• Photochromic Materials: Key component in the development of lenses, windows, and displays that change color or opacity upon exposure to specific light wavelengths (UV).
• Molecular Switches and Sensors: Used in research for creating light-activated molecular switches and chemical sensors due to its reversible structural changes.
• Optical Data Storage: Investigated for use in high-density, non-linear optical data storage devices and holographic media.
• Advanced Organic Synthesis: Serves as a sophisticated building block or intermediate for synthesizing complex spirocyclic compounds with tailored properties.
• Electrochromic Devices: Potential application in smart windows and mirrors that change their optical properties in response to an electrical stimulus.
• Specialty Dyes and Pigments: Used in the formulation of high-performance, light-responsive dyes for niche industrial or research applications.

Basic Information

Item	Detail
Product Name	8'-Methoxy-1,3,3,5-Tetramethyl-6'-Nitrospiro[Indoline-2,2'-Thiochromene]
CAS No.	92990-73-3
Molecular Formula	C22H24N2O3S
Molecular Weight	396.50 g/mol
Synonyms	6'-Nitro-8'-methoxy-1,3,3,5-tetramethylspiro[indoline-2,2'-[2H]thiochromene]; 8'-Methoxy-1,3,3,5-tetramethyl-6'-nitrospiro[indoline-2,2'-thiochromene]; Spiro[1,3-dihydro-1,3,3,5-tetramethyl-2H-indole-2,2'-[2H]thiochromene], 8'-methoxy-6'-nitro-; 92990-73-3; 6'-Nitro-8'-methoxy-1,3,3,5-tetramethylspiro(2H-1-benzothiopyran-2,2'-indoline); Photochromic Spiro[indoline-thiochromene] derivative
EINECS	Contact for details

Quality Control

Our 8'-Methoxy-1,3,3,5-Tetramethyl-6'-Nitrospiro[Indoline-2,2'-Thiochromene] is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and loss on drying, to ensure it meets exacting R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 handle and store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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