CAS:22112-79-4 | 3,3',3'',3'''-(21H,23H-Porphine-5,10,15,20-tetrayl)tetrakisphenol

3,3',3'',3'''-(21H,23H-Porphine-5,10,15,20-tetrayl)tetrakisphenol, referred to as THPP, is a porphyrin compound with four 3-hydroxyphenyl substituents in its structure. Porphyrin is a class of cyclic compounds with a large conjugated system. It plays an important role in chemistry, biology and materials science due to its special electronic structure.

Properties：

1. Chemical structure: The four pyrrole units of the porphyrin ring form a large conjugated system, and the introduction of 3-hydroxyphenyl further increases the complexity and functionality of the molecule.
2. Optical properties: Porphyrin compounds generally have strong light absorption capabilities, especially in the ultraviolet-visible light region, which can enable them to exhibit unique light absorption or emission characteristics in specific applications.

Uses：

1. Photosensitizer: Due to its strong light absorption properties, it is often used as a photosensitizer and has important applications in photodynamic therapy and other photocatalytic reactions.
2. Metal complexes: THPP can coordinate with a variety of metal ions to form metalloporphyrin complexes, which are widely used in catalysis, sensing and materials science.
3. Materials science: It can be used to prepare functional materials, such as organic photovoltaic materials, organic light-emitting diode materials, etc.

4. Biomarkers: Due to its good optical and chemical properties, it can also be used as a biomarker or probe for biological imaging and diagnosis.

1. According to current understanding, there is still little research on its toxicity and safety, so it needs to be used with caution.
2. During use, relevant operating specifications and safety precautions should be strictly followed to avoid contact with skin, eyes and respiratory tract.
3. If accidentally contacted, it should be rinsed with plenty of water in time and medical treatment should be sought.
4. It should be stored in a sealed, dry, cool place, away from fire and oxidants.

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