Description

3',3'-Dimethyl-6-Nitro-Spiro[2H-1-Benzopyran-2,2'-Indoline]-1'-Ethanol is a high-purity, specialized photochromic compound belonging to the spirooxazine class. This chemical is critical for applications requiring precise light-responsive behavior and molecular switching capabilities. It is primarily utilized by advanced material scientists and R&D professionals in the photochromic lens, optical data storage, and molecular electronics industries.

Application

• Photochromic Lenses and Coatings: A key organic precursor for manufacturing ophthalmic lenses, sunglasses, and architectural glass that darken upon exposure to UV light.
• Optical Data Storage Media: Used in the development of high-density, rewritable optical memory devices and holographic recording systems.
• Molecular Switches and Sensors: Serves as a functional component in the design of light-activated molecular switches, logic gates, and chemical sensors.
• Smart Textiles and Inks: Incorporated into fabrics, security inks, and novelty items to create color-changing effects under sunlight or UV light.
• Non-linear Optical Materials: Investigated for use in photonic devices, optical limiters, and other applications requiring controlled light modulation.
• Academic and Industrial R&D: A vital research chemical for studying photochromism, kinetics of ring-opening/closure reactions, and structure-property relationships.

Basic Information

Product Name	3',3'-Dimethyl-6-Nitro-Spiro[2H-1-Benzopyran-2,2'-Indoline]-1'-Ethanol
CAS No.	16111-07-2
Molecular Formula	C21H22N2O4
Molecular Weight	366.42 g/mol
Synonyms	6-Nitro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol; 1',3',3'-Trimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol; Spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol, 3',3'-dimethyl-6-nitro-; Photochromic Spirooxazine Derivative; Light-Sensitive Spiro Compound; Spiro(indoline-2,2'-[2H]benzopyran) derivative; 6-NO2-BIPS derivative (with hydroxyl group)
EINECS	Contact for details

Quality Control

Our 3',3'-Dimethyl-6-Nitro-Spiro[2H-1-Benzopyran-2,2'-Indoline]-1'-Ethanol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting research and industrial-grade specifications. Comprehensive Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability, consistency, and performance reliability for your critical applications.

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). Due to its light-sensitive nature, handling and packaging should be conducted under subdued light or amber glass to prevent premature photodegradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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