340537

Trimethyl-4-bromorthobutyrat

95%

• Synonym(e): 4-Brom-1,1,1-trimethoxybutan
• Lineare Formel: Br(CH₂)₃C(OCH₃)₃
• CAS-Nummer: 55444-67-2
• Molekulargewicht: 227.10
• MDL-Nummer: MFCD00075197
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24860825
• NACRES: NA.22

Eigenschaften

• Assay: 95%
• Form: liquid
• Brechungsindex: n20/D 1.456 (lit.)
• bp: 70 °C/0.7 mmHg (lit.)
• Dichte: 1.309 g/mL at 25 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: COC(CCCBr)(OC)OC
• InChI: 1S/C7H15BrO3/c1-9-7(10-2,11-3)5-4-6-8/h4-6H2,1-3H3
• InChIKey: QBLJMYITBNHQOT-UHFFFAOYSA-N

Beschreibung

Anwendung

Trimethyl 4-bromoorthobutyrate was used in the synthesis of macrocyclic lactone (S)-curvularin. Grignard reagent derived from trimethyl 4-bromoorthobutyrate was used in the preparation of novel hapten 4-(17 β-hydroxy-3-oxoestra-4,9-dien-11-β-yl)butanoic acid, used in enzyme-linked immunosorbent assay (ELISA) for testosterone.

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