304077

3-Methylcrotonaldehyd

97%

• Synonym(e): 3,3-Dimethylacrolein, 3,3-Dimethylacrylaldehyd, 3-Methyl-2-butenal, NSC 149164, Prenal, Senecialdehyd
• Lineare Formel: (CH₃)₂C=CHCHO
• CAS-Nummer: 107-86-8
• Molekulargewicht: 84.12
• Beilstein: 1734740
• EG-Nummer: 203-527-6
• MDL-Nummer: MFCD00010291
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24858322
• NACRES: NA.22

Eigenschaften

• Dampfdruck: 7 mmHg ( 20 °C)
• Assay: 97%
• Form: liquid
• Brechungsindex: n20/D 1.462 (lit.); n20/D 1.462
• bp: 133-135 °C (lit.)
• Löslichkeit: water: soluble 110 g/L at 20 °C
• Dichte: 0.878 g/mL at 20 °C; 0.872 g/mL at 25 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: [H]C(=O)\C=C(\C)C
• InChI: 1S/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3
• InChIKey: SEPQTYODOKLVSB-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

3-Methylcrotonaldehyde is an α, β-unsaturated aldehyde. Electrochemical dimerization of 3-methylcrotonaldehyde was reported. The hydrogenation of 3-methylcrotonaldehyde over Ru, Pt and Rh was investigated.

Sicherheitshinweise

• Piktogramme: GHS02,GHS06,GHS05
• Signalwort: Danger
• H-Sätze: H226,H302,H314,H317,H331
• P-Sätze: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Skin Sens. 1
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): 91.4 °F - closed cup
• Flammpunkt (°C): 33 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter