Description

(±)-1',3',3'-Trimethyl-6-Nitrospiro[Chromene-2,2'-Indoline]-5',8-Diol is a high-purity synthetic organic compound belonging to the spirooxazine and nitrospirochromene family, known for its photochromic properties. This compound is critical for advanced material science applications where precise molecular control over light-responsive behavior is required. It is primarily utilized by R&D laboratories and manufacturers in the photochromic materials, optical data storage, and smart sensor industries.

Application

• Photochromic Lenses and Films: A key intermediate for developing high-performance, fatigue-resistant photochromic dyes used in ophthalmic lenses, sunglasses, and architectural smart windows.
• Optical Data Storage Media: Used in research for next-generation, high-density optical memory devices and rewritable data storage systems.
• Molecular Switches and Sensors: Serves as a functional component in the development of light-activated molecular switches and chemical sensors for analytical and diagnostic applications.
• Security Inks and Anti-Counterfeiting: Employed in the formulation of specialized security inks for banknotes, certificates, and product authentication that change color under specific light exposure.
• Non-Linear Optical (NLO) Materials: Investigated for use in photonic devices and components due to its potential NLO properties.
• Academic and Industrial R&D: A vital reference standard and building block for synthetic chemistry research in photochromism and functional dyes.

Basic Information

Product Name	(±)-1',3',3'-Trimethyl-6-Nitrospiro[Chromene-2,2'-Indoline]-5',8-Diol
CAS No.	1253909-21-5
Molecular Formula	C19H18N2O5
Molecular Weight	354.36 g/mol
Synonyms	6-Nitrospiro[chromene-2,2'-indoline]-5',8-diol, 1',3',3'-trimethyl-; 1',3',3'-Trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol; Spiro[chromene-2,2'-indole]-5',8-diol, 6-nitro-1',3',3'-trimethyl-; 6-Nitro BIPS derivative; Photochromic spirooxazine precursor; Nitro-substituted spiro[indoline-chromene]; Light-sensitive spiro compound
EINECS	Contact for details

Quality Control

Our (±)-1',3',3'-Trimethyl-6-Nitrospiro[Chromene-2,2'-Indoline]-5',8-Diol is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and advanced material synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to ISO 9001 quality management standards, and our analytical methods meet the rigorous requirements of industrial and academic R&D.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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