Description

Spiro[2H-Indole-2,3'-[3H]Naphth[2,1-B][1,4]Oxazine], 5-Chloro-1,3-Dihydro-1,3,3-Trimethyl-6'-(1-Piperidinyl)- is a sophisticated photochromic organic compound belonging to the spirooxazine class. This high-value specialty chemical is engineered to undergo a reversible color change upon exposure to specific wavelengths of light, making it a critical functional material. It is primarily sought after by R&D teams and manufacturers in the advanced materials, optical lens, and smart coating industries. Our supply ensures consistent quality and purity for demanding applications.

Application

• Photochromic Lenses: Key functional dye for ophthalmic lenses and sunglasses that darken automatically in sunlight.
• Optical Data Storage: Potential use in high-density, rewritable optical memory devices due to its reversible photoisomerization.
• Smart Windows & Coatings: Formulation component for coatings and films that adjust light transmission for energy-efficient buildings.
• Security Inks & Printing: Development of anti-counterfeiting inks and security markings that are invisible until activated by UV light.
• Molecular Switches & Sensors: Building block for creating light-responsive molecular switches and chemical sensors in research.
• Novel Photonic Materials: Research and development of new photonic crystals and light-modulating materials.

Basic Information

Product Name	Spiro[2H-Indole-2,3'-[3H]Naphth[2,1-B][1,4]Oxazine], 5-Chloro-1,3-Dihydro-1,3,3-Trimethyl-6'-(1-Piperidinyl)-
CAS No.	144582-55-8
Molecular Formula	C24H26ClN3O
Molecular Weight	407.94 g/mol
Synonyms	5-Chloro-1,3,3-trimethyl-6'-piperidinospiro[indoline-2,3'-[3H]naphth[2,1-b][1,4]oxazine]; 5-Chloro-1,3,3-trimethyl-6'-piperidinospiro(2H-1-benzopyran-2,2'-indoline); Spirooxazine, 5-chloro-1,3-dihydro-1,3,3-trimethyl-6'-(1-piperidinyl)-; Photochromic Spirooxazine Dye; SO-1 (common class abbreviation); Light-sensitive spiro[indoline-naphthoxazine] derivative.
EINECS	Contact for details

Quality Control

Every batch of our photochromic spirooxazine is produced under strict quality management protocols to ensure exceptional purity and performance consistency. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as identity, assay, and impurity profiles. Our quality systems are designed to support R&D and commercial manufacturing needs, with specifications that can be aligned with customer requirements.

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 conducted under subdued light or amber glass/containers to prevent premature activation and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Photochromic Performance*	Contact for details

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