177717

2,5-Dimethylfuran

99%

• Synonym(e): 2-Methyl-5-methylfuran
• Empirische Formel (Hill-System): C₆H₈O
• CAS-Nummer: 625-86-5
• Molekulargewicht: 96.13
• Beilstein: 106449
• EG-Nummer: 210-914-3
• MDL-Nummer: MFCD00003250
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24850381
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 3.31 (vs air)
• Assay: 99%
• Form: liquid
• Brechungsindex: n20/D 1.441 (lit.)
• bp: 92-94 °C (lit.)
• mp (Schmelzpunkt): −62 °C (lit.)
• Dichte: 0.903 g/mL at 25 °C (lit.)
• SMILES String: Cc1ccc(C)o1
• InChI: 1S/C6H8O/c1-5-3-4-6(2)7-5/h3-4H,1-2H3
• InChIKey: GSNUFIFRDBKVIE-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

2,5-Dimethylfuran is a heterocyclic furan used as a building block in organic synthesis.

Anwendung

2,5-Dimethylfuran can be used as:

• A reactant to prepare exo-maleimide-dimethylfuran cyclo adduct, which is used in the synthesis of oligonucleotide conjugates.
• An arynophile to synthesize 1,4-dimethyl-1,4-dihydro-1,4-epoxynaphthalene (fused benzene) by reacting with a mixture of neopentyl glycol and 2-hydroxyphenylboronic acid in the presence of a strong base.
• A precursor to prepare p-xylene via Diels-Alder cycloaddition and subsequent dehydration reaction.

Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Danger
• H-Sätze: H225,H302,H315,H317,H319,H335
• P-Sätze: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 33.8 °F
• Flammpunkt (°C): 1 °C
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter