Description

Dihydropyrene CAS NO 28779-32-0 is a polycyclic aromatic hydrocarbon derivative known for its unique photochromic and electrochromic properties. This compound is of significant interest in advanced materials science due to its ability to undergo reversible structural changes upon external stimuli. It serves as a critical building block and model system for researchers and manufacturers in the fields of molecular electronics, optical data storage, and smart materials. The high-purity grade ensures reliable performance in sensitive applications.

Application

• Molecular Switches and Actuators: Core component in the development of light- or electrically-triggered molecular machines and nanoscale devices.
• Optical Data Storage Media: Used in research for next-generation, high-density data storage solutions utilizing photochromism.
• Electrochromic Displays and Windows: Functional material for smart windows and display technologies that change color or transparency with an applied voltage.
• Chemical Sensing: Acts as a sensitive moiety in the design of chemosensors for detecting specific analytes due to its pronounced spectral shifts.
• Advanced Organic Synthesis: Serves as a sophisticated intermediate or starting material for synthesizing complex polycyclic structures and novel organic semiconductors.
• Academic and Industrial R&D: Essential reference compound for studying photochemistry, electrochemistry, and the properties of strained aromatic systems.

Basic Information

Item	Detail
Product Name	Dihydropyrene
CAS No.	28779-32-0
Molecular Formula	C16H10
Molecular Weight	202.25 g/mol
Synonyms	1,2:7,8-Dibenzocyclododeca-1,2,4,6,8,10-hexaene; 1,2:7,8-Dibenzocyclododecahexaene; DHP; 1,2:7,8-Dibenzo[a,e]cyclodecapentaene; 1,2:7,8-Dibenzocyclodecapentaene; 1,2:7,8-Dibenzo-cyclodecapentaene; 1,2:7,8-Dibenzocyclododeca-1,2,4,6,8,10-hexaene
EINECS	Contact for details

Quality Control

Our Dihydropyrene is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for research and advanced material applications. Each lot is analyzed using advanced spectroscopic and chromatographic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment 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 place at room temperature (15-25°C). Due to its light-sensitive nature, handling should be performed under subdued light or amber glass to prevent premature photochemical reactions.

Specification

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

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