Description

1,3,3-Trimethylindolino-8'-Methoxybenzopyrylospiran is a specialized organic compound belonging to the class of photochromic spiropyrans. This compound matters for its unique ability to undergo a reversible color change upon exposure to specific wavelengths of light, making it a critical functional material. It is primarily needed by manufacturers in the advanced materials, optical data storage, and smart textile industries for developing light-responsive systems and sensors.

Application

• Key functional component in photochromic lenses and smart optical filters.
• Development of optical data storage media and rewritable memory devices.
• Formulation of light-sensitive inks and coatings for security printing and authentication.
• Research and production of molecular switches and sensors for biotechnology applications.
• Manufacture of smart windows and adaptive light-control films.
• Use in academic and industrial R&D for studying photochromic reaction mechanisms.

Basic Information

Item	Detail
Product Name	1,3,3-Trimethylindolino-8'-Methoxybenzopyrylospiran
CAS No.	13433-31-3
Molecular Formula	C23H21NO2
Molecular Weight	343.42 g/mol
Synonyms	8'-Methoxy-1,3,3-trimethylspiro[indoline-2,3'-[3H]naphtho[2,1-b][1,4]oxazine]; Spiropyran; Photochromic Spiropyran; 1,3,3-Trimethylindolino-β-naphthospirooxazine; 8-Methoxynaphthospirooxazine; 8'-Methoxy BIPS; Light-sensitive Spiropyran Derivative
EINECS	Contact for details

Quality Control

Our 1,3,3-Trimethylindolino-8'-Methoxybenzopyrylospiran is produced under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods for identity confirmation. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is strictly light-sensitive (protect from all light exposure) to prevent premature photochromic reaction and degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.