210093-64-4

Basic information

• Product Name: 1,2-bis[2-methyl-5-(p-(hydroxymethyl)phenyl)-3-thienyl]hexafluorocyclopentene
• Synonyms: 1,2-bis[2-methyl-5-(p-(hydroxymethyl)phenyl)-3-thienyl]hexafluorocyclopentene
• CAS NO: 210093-64-4
• Molecular Weight: 580.615
• Mol File: 210093-64-4.mol
• Article Data: 5

Chemical Properties

• CAS DataBase Reference: 1,2-bis[2-methyl-5-(p-(hydroxymethyl)phenyl)-3-thienyl]hexafluorocyclopentene(CAS DataBase Reference)
• NIST Chemistry Reference: 1,2-bis[2-methyl-5-(p-(hydroxymethyl)phenyl)-3-thienyl]hexafluorocyclopentene(210093-64-4)
• EPA Substance Registry System: 1,2-bis[2-methyl-5-(p-(hydroxymethyl)phenyl)-3-thienyl]hexafluorocyclopentene(210093-64-4)

Safety Data

• Hazardous Substances Data: 210093-64-4(Hazardous Substances Data)

Upstream product

• 348639-12-3 4,4'-(4,4'-perfluorocyclopent-1-ene-1,2-diyl)bis(5-methylthiophene-4,2-diyl)dibenzaldehyde 
• 550348-57-7 3-bromo-5-(4-(1,3-dioxolan-2-yl)phenyl)-2-methylthiophene 
• 550348-56-6 4-(4-bromo-5-methylthiophen-2-yl)benzaldehyde 
• 1310404-98-8 2-(4-bromo-5-methylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 
• 29421-73-6 3,5-dibromo-2-methylthiophene 
• 554-14-3 2-Methylthiophene 
• 59016-93-2 p-hydroxymethylphenylboronic acid 
• 222730-43-0 1,2-bis(5-chloro-2-methylthien-3-yl)perfluorocyclopent-1-ene 
• 210093-71-3 2-[4-(4-Bromo-5-methyl-thiophen-2-yl)-benzyloxy]-tetrahydro-pyran 
• 154566-69-5 3-bromo-2-methylthiophene-5-boronic acid 
• 873-75-6 4-bromobenzenemethanol 
• 210093-63-3 C₃₉H₃₈F₆O₄S₂ 

Downstream Products

• 210093-67-7 C₅₃H₆₈F₆N₂O₁₀S₂ 
• 210093-66-6 C₄₉H₆₀F₆N₂O₈S₂ 
• 210093-65-5 1,2-bis(2-methyl-5-(4-bromobenzyl)thiophen-3-yl)hexafluorocyclopentene 

Relevant articles and documents

Photochromic and photomechanical responses of an amorphous diarylethene-based polymer: A spectroscopic ellipsometry investigation of ultrathin films

This work deals with very thin (14-40 nm) films of a polyester containing diarylethene units in the main chain spin cast on a silicon wafer. By irradiation with UV light the colourless form turns blue due to the appearance of a strong absorption band centred at about 600 nm. The coloured state is thermally stable and the backward conversion can be triggered with visible light. Comparison of broadband (245-1700 nm) spectroscopic ellipsometry data with simulations based on an isotropic, Kramers-Kronig consistent, multiple-resonance model allowed us to determine the complex index of refraction n of the film in its blue and colourless forms. The refractive index of the blue phase neatly exceeds that of the transparent form for wavelengths in the NIR. In particular, out of resonance, at λ ～ 1700 nm, ΔRe(n) ～ 0.05. Parallel to the ΔRe(n) increase, the analysis of ellipsometry data suggests a decrease of the film thickness (about 1.5%) during the transition from the open (transparent) to the closed (coloured) form.

Diarylethene-based photochromic polyurethanes for multistate optical memories

Photochromic polyurethanes (PPUs) are synthesised by reaction between a diarylethene end-capped with hydroxyl groups and an aliphatic diisocyanate. In situ polymerisation provides amorphous films with remarkable optical properties. The possibility to vary the amount and the chemical structure of the photochromic monomer without affecting the reactivity of the polymerization allows one to tune in a wide range the optical properties of these films. In addition, different diarylethenes can be mixed together to give copolymers which may find application as photochromic layers for multistate optical memories. A setup for a non-destructive readout based on Raman signal is proposed.

Photochromic bis(monoaza-crown ether)s. Alkali-metal cation complexing properties of novel diarylethenes

The novel bis(monoaza-crown ether) diarylethenes 1 and 2 have been synthesized and their photochromism and the ion-complexation properties of both photoisomers have been investigated.