262404

Methyl-4,4-dimethyl-3-oxopentanoat

99%

• Synonym(e): Pivaloylessigsäuremethylester
• Lineare Formel: (CH₃)₃CCOCH₂CO₂CH₃
• CAS-Nummer: 55107-14-7
• Molekulargewicht: 158.19
• EG-Nummer: 259-481-2
• MDL-Nummer: MFCD00008847
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24855877
• NACRES: NA.22

Eigenschaften

• Dampfdruck: 0.4 mmHg ( 20 °C)
• Qualitätsniveau: 100
• Assay: 99%
• Brechungsindex: n20/D 1.487 (lit.)
• bp: 67-70 °C/13 mmHg (lit.)
• Dichte: 0.99 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: ester; ketone
• SMILES String: COC(=O)CC(=O)C(C)(C)C
• InChI: 1S/C8H14O3/c1-8(2,3)6(9)5-7(10)11-4/h5H2,1-4H3
• InChIKey: XTXCFTMJPRXBBC-UHFFFAOYSA-N

Beschreibung

Anwendung

Methyl 4,4-dimethyl-3-oxopentanoate has been used:

• as substarte during InCl₃-catalyzed syntheses of some new dibenzo(d,f)(1,3)dioxepines and 12H-dibenzo(d,g)(1,3)dioxocin derivatives
• in the preparation of neat α-oxoketene, carbomethoxypivaloylketene

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): 170.6 °F - closed cup
• Flammpunkt (°C): 77 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter