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3-Methyl-2-butenal

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3-Methyl-2-butenal molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of 3-Methyl-2-butenal (CAS 107-86-8). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS107-86-8
Molecular formulaC5H8O
Molecular weight84.12 g/mol
IUPAC name3-methylbut-2-enal
Synonyms3-Methylbut-2-enal · Senecialdehyde · 3-Methylcrotonaldehyde · 3,3-Dimethylacrolein · Senecioaldehyde · 2-BUTENAL, 3-METHYL-
Safety & Hazards (GHS) Danger
Flammable Flammable Corrosive Corrosive Acute toxic Acute toxic
  • H226 Flammable liquid and vapor
  • H302 Harmful if swallowed
  • H314 Causes severe skin burns and eye damage
  • H317 May cause an allergic skin reaction
  • H318 Causes serious eye damage
  • H331 Toxic if inhaled

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 3-METHYL-2-BUTENAL, 97% 304077-25ML
304077-5ML		 Request Quote
Sigma 3-METHYL-2-BUTENAL, >=97%, FG W364620-100G-K
W364620-1KG-K
W364620-25G-K
W364620-SAMPLE-K		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.