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488-86-8 - Croconic acid, 98% - 4,5-Dihydroxy-4-cyclopentene-1,2,3-trione - 1,2-Dihydroxy-3,4,5-trioxocyclopent-1-ene - B21809 - Alfa Aesar

B21809 Croconic acid, 98%

CAS-Nummer
488-86-8
Synonyme
4,5-Dihydroxy-4-cyclopentene-1,2,3-trione
1,2-Dihydroxy-3,4,5-trioxocyclopent-1-ene

Größe Preis ($) Menge Verfügbarkeit
1g 160,00
5g 628,00
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Croconic acid, 98%

MDL
MFCD00181389

Chemische Eigenschaften

Formel
C5H2O5
Molmasse
142.07
Schmelzpunkt
ca 280° dec.
Löslichkeit
Soluble in water and ethanol.

Anwendungen

Croconic acid is used to prepare 1,3-bis-(2-dimethylamino-5-thienyl)croconine by reacting with dimethyl-thiophen-2-yl-amine. It is also used in organic synthesis and employed as a dye for biological research purposes. Further, it is involved in the preparation of ethers such as dimethyl croconate. In addition to this, it acts as a ligand and form coordination complexes with metals such as barium, copper, silver and lead.

Bemerkungen

Light sensitive. Incompatible with strong oxidizing agents.

Literaturverweise

Hooper, J.; Kunkel, D. A.; Zurek, E.; Enders, A. Interplay between Hydrogen Bonding, Epitaxy, and Charge Transfer in the Self-Assembly of Croconic Acid on Au(111) and Ag(111). J. Phys. Chem. C 2015, 119 (47), 26429-26437.

Mukhopadhyay, S.; Gutmann, M.; Alonso, F. F. Hydrogen-bond structure and anharmonicity in croconic acid. Phys. Chem. Chem. Phys. 2014, 16 (47), 26234-26239.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P280g-P305+P351+P338

Wear protective gloves. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Weitere Referenzen

Harmonized Tariff Code
2914.40
TSCA
No

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