380067

4,4-Dimethoxy-2-butanon

technical grade, ≥90%

• Synonym(e): 3-Oxobutyraldehyd-dimethylacetal, Acetylacetaldehyd-dimethylacetal
• Lineare Formel: CH₃COCH₂CH(OCH₃)₂
• CAS-Nummer: 5436-21-5
• Molekulargewicht: 132.16
• Beilstein: 1702372
• EG-Nummer: 226-605-1
• MDL-Nummer: MFCD00008789
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24863716
• NACRES: NA.22

Eigenschaften

• Qualität: technical grade
• Qualitätsniveau: 100
• Assay: ≥90%
• Form: liquid
• Brechungsindex: n20/D 1.414 (lit.)
• bp: 70-73 °C/20 mmHg (lit.)
• Dichte: 0.996 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: acetal; ether; ketone
• SMILES String: COC(CC(C)=O)OC
• InChI: 1S/C6H12O3/c1-5(7)4-6(8-2)9-3/h6H,4H2,1-3H3
• InChIKey: PJCCSZUMZMCWSX-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

4,4-Dimethoxy-2-butanone (Acetylacetaldehyde dimethylacetal) is a ketone.

Anwendung

4,4-Dimethoxy-2-butanone (β-ketobutyracetal) may be used in the preparation of:

• (R)-4,4-dimethoxy-2-butanol
• pyrazoles and pyrimidines
• [7,16-dihydro- 6,15( 17)-dimetbyldibenzo[b,i]-[1,4,8,11]tetrilazacyclotetradecinato-N⁵,N⁹,N¹⁴,N¹⁸]nickel{II)

4,4-Dimethoxy-2-butanone (Acetylacetaldehyde dimethylacetal) may be used in the preparation of N,N-diethyl-[2-(4-fluorophenyl)-5-methylpyrazolo[1,5-a]-pyrimidin-3-yl]acetamide and acetoacetaldehyde.

Sicherheitshinweise

• Piktogramme: GHS02
• Signalwort: Warning
• H-Sätze: H226
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P243
• Gefahreneinstufungen: Flam. Liq. 3
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 134.6 °F - closed cup
• Flammpunkt (°C): 57 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter