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CAS No 107-86-8 , 3-methylbut-2-enal Search by region : Germany

  • Name: 3-methylbut-2-enal
  • Synonyms: 2-BUTENAL;3-methylbut-2-enal; 3,3-Dimethylacrolein; Senecioaldehyde; 3-Methylcrotonaldehyde; 107-86-8; Prenal;Senecialdehyde; 3-Methylbut-2-enal; 3-METHYL-;
  • CAS Registry Number:
  • Transport: UN 1989
  • Flash Point: 33 ºC
  • Boiling Point: 132-133 ºC
  • Density: 0.88
  • Refractive index: 1.461-1.463
  • Safety Statements: R10;R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 33 ºC
  • EINECS: 203-527-6
  • Molecular Weight: 84.11642
  • InchiKey: SEPQTYODOKLVSB-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3
  • Risk Statements: S16;S26;S37/39
  • Molecular Formula: C5H8O
  • Molecular Structure:CAS No:107-86-8 3-methylbut-2-enal

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References of 3-methylbut-2-enal
Title: Senecialdehyde
CAS Registry Number: 107-86-8
CAS Name: 3-Methyl-2-butenal
Synonyms: 3,3-dimethylacrolein; 3-methylcrotonaldehyde; senecioaldehyde; b,b-dimethylacrolein
Molecular Formula: C5H8O
Molecular Weight: 84.12
Percent Composition: C 71.39%, H 9.59%, O 19.02%
Line Formula: (CH3)2C=CHCHO
Literature References: Prepn from isoamyl alcohol: Fischer et al., Ber. 64, 30 (1931); Fischer, L?wenberg, Ann. 494, 272 (1932); cf. Burkhardt et al., GB 512465 (1939); Montavon, Saucy, US 2902515 (1959 to Hoffmann-La Roche).
Properties: Liquid. Odor more pungent than that of isovaleraldehyde. Autooxidizes easily, but the pure substance can be stored under vacuum. d420 0.8722; bp730 133°; nD20 1.4526. Absorption spectrum: Forbes, Skilton, J. Org. Chem. 24, 436 (1959).
Boiling point: bp730 133°
Index of refraction: nD20 1.4526
Density: d420 0.8722
CAUTION: Irritant to mucous membranes. Narcotic in high concentrations.