Description

1-Phenyl-3,3-Dimethyl-8'-Methoxy-6'-Nitrospiro[1H-Indole-2(3H),2'-[2H-1]Benzopyran] is a high-purity, specialized spirooxazine compound, a key photochromic material valued for its reversible color change upon exposure to light. This compound is critical for applications requiring precise and reliable light-responsive behavior, offering excellent fatigue resistance and switching speed. It is primarily sought by manufacturers in the advanced materials, optical lens, and smart textile sectors for developing photochromic dyes and functional polymers.

Application

• Photochromic Lenses and Ophthalmic Products: As a core active ingredient in plastic and glass lenses for sunglasses, prescription eyewear, and visors that darken upon UV exposure.
• Smart Windows and Optical Filters: For creating light-adaptive films and coatings used in architectural glass, automotive sunroofs, and optical data storage devices.
• Security Printing and Anti-Counterfeiting Inks: Utilized in high-security documents, banknotes, and product authentication labels due to its reversible photochromic properties.
• Functional Textiles and Coatings: Incorporated into fibers, fabrics, and surface coatings to produce color-changing apparel, military camouflage, and sensor materials.
• Research and Chemical Synthesis: Serves as a key intermediate or reference standard in organic synthesis and materials science research for developing novel photoresponsive systems.
• Novelty and Consumer Goods: Used in toys, cosmetics (e.g., color-changing nail polish), and promotional items that feature light-sensitive color effects.

Basic Information

Product Name	1-Phenyl-3,3-Dimethyl-8'-Methoxy-6'-Nitrospiro[1H-Indole-2(3H),2'-[2H-1]Benzopyran]
CAS No.	2067-32-5
Molecular Formula	C25H22N2O4
Molecular Weight	414.46 g/mol
Synonyms	6'-Nitro-8'-methoxy-1-phenyl-3,3-dimethylspiro[indoline-2,3'-[3H]naphtho[2,1-b][1,4]oxazine]; 1-Phenyl-3,3-dimethyl-8'-methoxy-6'-nitrospiro[indoline-2,3'-[3H]naphtho[2,1-b][1,4]oxazine]; Spirooxazine, 1-phenyl-3,3-dimethyl-8'-methoxy-6'-nitro-; Photochromic Spirooxazine Dye; Light-Sensitive Spiro Compound; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 1-Phenyl-3,3-Dimethyl-8'-Methoxy-6'-Nitrospirooxazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise specifications for photochromic performance. Certificates of Analysis (COA) documenting purity, absorbance characteristics, and key physical parameters are available upon request to support your quality assurance and regulatory needs.

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, all handling and packaging should be conducted under yellow or red safelight conditions to prevent premature activation or degradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Photochromic Performance (δOD)	Contact for details
Fatigue Resistance (Cycles)	Contact for details

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