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293328-09-3 Usage


Colorless, odorless solid


a. Production of polyethylene terephthalate (PET) a type of polyester resin
b. Manufacturing of plastic bottles
c. Production of polyester fibers
d. Creation of packaging materials
e. Production of films, foils, and engineering plastics


Low-toxicity compound

Health risks

Prolonged exposure through inhalation or ingestion can have harmful effects on human health

Check Digit Verification of cas no

The CAS Registry Mumber 293328-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,3,2 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 293328-09:
153 % 10 = 3
So 293328-09-3 is a valid CAS Registry Number.

293328-09-3Downstream Products

293328-09-3Relevant articles and documents

Brightening up Circularly Polarized Luminescence of Monosubstituted Polyacetylene by Conformation Control: Mechanism, Switching, and Sensing

Wang, Sheng,Hu, Deping,Guan, Xiaoyan,Cai, Siliang,Shi, Ge,Shuai, Zhigang,Zhang, Jie,Peng, Qian,Wan, Xinhua

, p. 21918 - 21926 (2021)

The first example of luminescent monosubstituted polyacetylenes (mono-PAs) is presented, based on a contracted cis-cisoid polyene backbone. It has an excellent circularly polarized luminescence (CPL) performance with a high dissymmetric factor (up to the order of 10?1). The luminescence stems from the helical cis-cisoid PA backbone, which is tightly fixed by the strong intramolecular hydrogen bonds, thereby reversing the energy order of excited states and enabling an emissive energy dissipation. CPL switches are facilely achieved by the solvent and temperature through reversible conformational transition. By taking advantages of fast response and high sensitivity, the thin film of mono-PAs could be used as a CPL-based probe for quantitative detection of trifluoroacetic acid with a wider linear dynamic range than those of photoluminescence and circular dichroism. This work opens a new avenue to develop novel smart CPL materials through modulating conformational transition.

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