55452

D-α-Hydroxyisovaleriansäure

≥98.0% (T)

• Synonym(e): (R)-2-Hydroxy-3-methyl-buttersäure
• Empirische Formel (Hill-System): C₅H₁₀O₃
• CAS-Nummer: 17407-56-6
• Molekulargewicht: 118.13
• Beilstein: 1721139
• MDL-Nummer: MFCD00066442
• UNSPSC-Code: 51113400
• PubChem Substanz-ID: 57651528
• NACRES: NA.22

Eigenschaften

• Assay: ≥98.0% (T)
• Form: solid
• Optische Aktivität: [α]20/D −17±1°, c = 1% in chloroform
• mp (Schmelzpunkt): 64-67 °C
• Funktionelle Gruppe: carboxylic acid; hydroxyl
• SMILES String: CC(C)[C@@H](O)C(O)=O
• InChI: 1S/C5H10O3/c1-3(2)4(6)5(7)8/h3-4,6H,1-2H3,(H,7,8)/t4-/m1/s1
• InChIKey: NGEWQZIDQIYUNV-SCSAIBSYSA-N

Beschreibung

Anwendung

D-α-Hydroxyisovaleric acid may be used in the preparation of biodegradable, optically active and isotactic poly(D-2-hydroxy-3-methylbutanoic acid).

Sonstige Hinweise

This chiral α-hydroxy acid is used for the synthesis of peptides and depsipeptides; It is further used as chiral building block; Synthesis of α-substituted α-hydroxy acids via dioxolanone intermediates

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