324922

(−)-Methyl-(S)-3-brom-2-methylpropionat

97%

• Synonym(e): (+)-Methyl-(S)-β-bromoisobutyrate
• Lineare Formel: BrCH₂CH(CH₃)CO₂CH₃
• CAS-Nummer: 98190-85-3
• Molekulargewicht: 181.03
• Beilstein: 1720832
• MDL-Nummer: MFCD00064487
• UNSPSC-Code: 12352101
• PubChem Substanz-ID: 24859479
• NACRES: NA.22

Eigenschaften

• Assay: 97%
• Form: liquid
• Optische Aktivität: [α]20/D −23 to −16°, c = 5 neat
• Optische Reinheit: ee: 99% (GLC)
• Brechungsindex: n20/D 1.455 (lit.)
• bp: 97.5-98.5 °C/62 mmHg (lit.)
• Dichte: 1.422 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: bromo; ester
• SMILES String: COC(=O)[C@H](C)CBr
• InChI: 1S/C5H9BrO2/c1-4(3-6)5(7)8-2/h4H,3H2,1-2H3/t4-/m1/s1
• InChIKey: FKWNAVCXZSQYTA-SCSAIBSYSA-N

Beschreibung

Anwendung

(−)-Methyl (S)-3-bromo-2-methylpropionate can be used:

• As a reference substrate in the alkylation reactions of vitamin B₁₂ derivatives.
• As a starting material in the preparation of biologically significant 3-[(2H-1,2,4-benzothiadiazine-1,1-dioxide-3-yl)thio]-2-methylpropanoic acids.

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: 10 - Combustible liquids
• WGK: WGK 3
• Flammpunkt (°F): 163.4 °F - closed cup
• Flammpunkt (°C): 73 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter