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[ CAS No. 79-40-3 ] {[proInfo.proName]}

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Cat. No.: {[proInfo.prAm]}
Chemical Structure| 79-40-3
Chemical Structure| 79-40-3
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Product Citations

Product Citations

Tyler J. Adams ; Naz F. Tumpa ; Maithili Acharya , et al. DOI:

Abstract: Water-soluble dipyridinium thiazolo[5,4-d]thiazole (TTz) compounds are incorporated into inexpensive poly(vinyl alcohol) (PVA)/borax films and exhibit fast (<1 s), high-contrast photochromism, photofluorochromism, and oxygen sensing. Under illumination, the films change from clear/yellow TTz2+ to purple TTz?+ and then blue TTz0. The contrast and speed of the photochromism are dependent on the polymer matrix redox properties and the concentration of TTz2+. The photoreduced films exhibit strong, near-infrared light (1000–1500 nm) absorbances in addition to visible color changes. Spectroscopic ellipsometry was used to establish the complex dielectric function for the TTz2+ and TTz0 states. Incorporating non-photochromic dyes yields yellow-to-green and pink-to-purple photochromism. Additionally, when illuminated, reversible photoactuation occurs, causing mechanical contraction in the TTz-embedded films. The blue film returns to its colorless state via exposure to O2, making the films able to sense oxygen and leak direction for smart packaging. These films show potential for use in self-tinting smart windows, eyeglasses, displays, erasable memory devices, fiber optic communication, and oxygen sensing.

Keywords: photochromic ; photofluorochromic ; photoactuator ; thiazolothiazole ; oxygen sensor ; sensing ; green chemistry

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Product Details of [ 79-40-3 ]

CAS No. :79-40-3 MDL No. :MFCD00004941
Formula : C2H4N2S2 Boiling Point : No data available
Linear Structure Formula :- InChI Key :OAEGRYMCJYIXQT-UHFFFAOYSA-N
M.W : 120.20 Pubchem ID :2777982
Synonyms :

Safety of [ 79-40-3 ]

Signal Word:Warning Class:
Precautionary Statements:P301+P312+P330 UN#:
Hazard Statements:H302 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 79-40-3 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 79-40-3 ]

[ 79-40-3 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 3314-30-5 ]
  • [ 79-40-3 ]
  • [ 27396-06-1 ]
  • 2
  • [ 2632-14-6 ]
  • [ 79-40-3 ]
  • [ 72997-73-0 ]
  • 3
  • [ 16303-60-9 ]
  • [ 79-40-3 ]
  • 2,5-bis-[2,2']bifuranyl-5-yl-thiazolo[5,4-<i>d</i>]thiazole [ No CAS ]
  • 4
  • [ 79-40-3 ]
  • [ 204905-77-1 ]
  • [ 1544476-48-3 ]
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