Croconic Acid TCI C1483

Chemical Identity

Other names: 4,5-Dihydroxy-4-cyclopentene-1,2,3-trione
CAS No.: 488-86-8
Formula: C5H2O5
Molecular weight: 142.07 g/mol
Purity: >98.0%(HPLC)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4,5-dihydroxycyclopent-4-ene-1,2,3-trione
SMILES: C1(=C(C(=O)C(=O)C1=O)O)O
InChIKey: RBSLJAJQOVYTRQ-UHFFFAOYSA-N
MDL: MDL00181389
PubChem: CID 546874

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Berat 1g 5g

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TCI C1483 Croconic Acid (CAS 488-86-8) is a five-membered oxocarbon acid whose conjugated ring system gives it unusually strong acidity for an organic compound. Researchers use it to prepare croconate salts, metal coordination complexes, and croconate dyes that absorb in the red to near-infrared region. It is also a reference compound in studies of oxocarbon chemistry and functional molecular materials. Supplied in 1 g and 5 g packs; store dry and protected from light, and consult the Safety Data Sheet.

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Shao et al. (2025). Magnetic modulation and magnetocaloric effect of lanthanide porous organic frameworks with croconic acid. Chemical Communications doi:10.1039/d5cc04708k
Chen et al. (2024). Succinct NIR-II absorbed croconic acid-julolidine molecule uniting Fe(III)-quercetin complex for efficient mild photothermal therapy of oropharyngeal carcinoma. Chemical Engineering Journal doi:10.1016/j.cej.2024.150907
Yuan et al. (2019). Electric-field assisted nucleation processes of croconic acid films. CrystEngComm doi:10.1039/c9ce01493d

References were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.