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Isobutyric Acid

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Isobutyric Acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 13 grades and pack sizes of Isobutyric Acid (CAS 79-31-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS79-31-2
Molecular formulaC4H8O2
Molecular weight88.11 g/mol
IUPAC name2-methylpropanoic acid
Synonyms2-Methylpropanoic acid · Isobutanoic acid · Isopropylformic acid · Dimethylacetic acid · Propanoic acid, 2-methyl- · Cenex RP b2
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H302 Harmful if swallowed
  • H312 Harmful in contact with skin

⚠️ 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 ISOBUTYRIC ACID 58360-100ML
I1754-100ML
I1754-1L
I1754-500ML
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Sigma ISOBUTYRIC ACID =99%, FCC, FG W222208-10KG-K
W222208-1KG-K
W222208-25KG-K
W222208-5KG-K
W222208-SAMPLE-K
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Sigma ISOBUTYRIC ACID, 500MG, NEAT 46935-U Request Quote
Sigma ISOBUTYRIC ACID, NATURAL, >=99%, FCC, F W222216-100G-K
W222216-1KG-K
W222216-SAMPLE-K
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For information only; specifications and availability are confirmed at quotation. Prices are not listed.