22110

(+)-Catechin Hydrat

≥96.0% (sum of enantiomers, HPLC)

• Synonym(e): (+)-Cyanidol-3, (2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
• Empirische Formel (Hill-System): C₁₅H₁₄O₆ · xH₂O
• CAS-Nummer: 225937-10-0
• Molekulargewicht: 290.27 (anhydrous basis)
• Beilstein: 3595244
• EG-Nummer: 205-825-1
• MDL-Nummer: MFCD00150865
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 57647962
• NACRES: NA.22

Eigenschaften

• Assay: ≥96.0% (sum of enantiomers, HPLC)
• Form: powder
• Optische Aktivität: [α]/D +26±2°, c = 1 in H₂O
• Verunreinigungen: ≤8% water
• mp (Schmelzpunkt): 175-177 °C (anhydrous) (lit.)
• Lagertemp.: 2-8°C
• SMILES String: [H]O[H].O[C@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
• InChI: 1S/C15H14O6.H2O/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7;/h1-5,13,15-20H,6H2;1H2/t13-,15+;/m0./s1
• InChIKey: OFUMQWOJBVNKLR-NQQJLSKUSA-N

Beschreibung

Allgemeine Beschreibung

Catechin hydrate is a polyphenolic flavonoid that exhibits antioxidant properties. It is commonly found in green tea, grape seeds, and bark of few trees like acacia and mahogany.[1]

Anwendung

(+)-Catechin hydrate can be used:

• As an inhibitor of steel corrosion in hydrochloric acid solution.[2]
• As a model compound in the study of antimicrobial activities of flavonoids on Escherichia coli.[3]
• As a starting material for the synthesis of catechin glucosides of biological importance.[4]

Vorsicht

verliert beim Lagern Hydratwasser

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves