54925

(S)-3-Hydroxy-buttersäure

≥97.0%

• Synonym(e): (+)-3-Hydroxy-n-butyric acid, (3S)-3-Hydroxybutanoic acid, (S)-β-Hydroxybutanoic acid, (S)-(+)-β-Hydroxybutyric acid, L-β-Hydroxybutyric acid
• Empirische Formel (Hill-System): C₄H₈O₃
• CAS-Nummer: 6168-83-8
• Molekulargewicht: 104.10
• Beilstein: 1720567
• EG-Nummer: 228-209-4
• MDL-Nummer: MFCD00137685
• UNSPSC-Code: 51113400
• PubChem Substanz-ID: 57651490
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥97.0%
• Form: powder or crystals
• Optische Aktivität: [α]20/D +25±1°, c = 6% in H₂O
• mp (Schmelzpunkt): 45-50 °C
• Funktionelle Gruppe: carboxylic acid; hydroxyl
• Lagertemp.: 2-8°C
• SMILES String: C[C@H](O)CC(O)=O
• InChI: 1S/C4H8O3/c1-3(5)2-4(6)7/h3,5H,2H2,1H3,(H,6,7)/t3-/m0/s1
• InChIKey: WHBMMWSBFZVSSR-VKHMYHEASA-N

Beschreibung

Anwendung

(S)-3-Hydroxybutyric acid can be used as a reagent in the synthesis of:

• S-(2-acetamidoethyl) (S)-3-hydroxybutanethioate by reacting with acetylcysteamine in the presence of coupling reagent.
• 3-hydroxy-N-(4-methoxyphenyl)-(3S)-butanamide by treating with 4-methoxyaniline in the presence of acid-amine coupling reagent.

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