Description

10,10'-Dihydroxy-7,7'-dimethoxy-3,3'-dimethyl-8,8'-bi[1H-naphtho[2,3-c]pyran]-1,1',6,6',9,9'-hexone is a complex, high-purity organic compound belonging to the class of dimeric naphthopyran derivatives. This specialized chemical serves as a critical advanced intermediate or a functional chromophore in high-value synthesis and material science applications. It is primarily sought by research institutions and industrial R&D departments focused on developing novel photochromic materials, organic semiconductors, and specialty dyes.

Application

• Photochromic Material Development: A key building block for synthesizing advanced organic photochromic compounds used in lenses, optical switches, and smart windows.
• Organic Electronics: Serves as a precursor or dopant in the research and production of organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Specialty Dyes & Pigments: Used in the synthesis of high-performance, light-fast dyes for niche applications in imaging and coatings.
• Pharmaceutical Intermediates: Acts as a sophisticated scaffold in medicinal chemistry research for the development of new therapeutic agents.
• Chemical Research: Employed as a reference standard or a starting material in academic and industrial organic synthesis projects.
• Advanced Polymer Additives: Investigated for use as a functional monomer to impart specific optical properties to engineered polymers.

Basic Information

Product Name	10,10'-Dihydroxy-7,7'-dimethoxy-3,3'-dimethyl-8,8'-bi[1H-naphtho[2,3-c]pyran]-1,1',6,6',9,9'-hexone
CAS No.	78693-31-9
Molecular Formula	C36H24O12
Molecular Weight	648.57 g/mol
Synonyms	7,7'-Dimethoxy-3,3'-dimethyl-8,8'-binaphtho[2,3-c]pyran-1,1',6,6',9,9'-hexone, 10,10'-dihydroxy-; Dimeric Naphthopyran Hexone Derivative; Photochromic Naphthopyran Dimer; 8,8'-Bi(1H-naphtho[2,3-c]pyran)-1,1',6,6',9,9'-hexone, 10,10'-dihydroxy-7,7'-dimethoxy-3,3'-dimethyl-; CAS 78693-31-9
EINECS	Contact for details

Quality Control

Every batch of 10,10'-Dihydroxy-7,7'-dimethoxy-3,3'-dimethyl-8,8'-bi[1H-naphtho[2,3-c]pyran]-1,1',6,6',9,9'-hexone is produced and analyzed under strict quality management protocols. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles to ensure it meets the exacting standards required for research and advanced material synthesis. Our quality systems are designed to support cGMP and ISO guidelines where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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