CAS 79-31-2

Isobutyric acid

Description:

Isobutyric acid, also known as 2-methylpropanoic acid, is a branched-chain carboxylic acid characterized by its distinctive structure, which includes a carboxyl group (-COOH) attached to a carbon chain with a methyl group. It is a colorless liquid with a pungent odor, reminiscent of rancid butter. Isobutyric acid is soluble in water and organic solvents, making it versatile in various applications. Its molecular formula is C4H8O2, and it has a relatively low boiling point compared to other carboxylic acids. This compound is used in the production of esters for flavoring and fragrance, as well as in the synthesis of pharmaceuticals and agrochemicals. Isobutyric acid can also be produced through fermentation processes, highlighting its relevance in biochemistry. Additionally, it exhibits mild acidity, with a pKa value that allows it to participate in various chemical reactions, including esterification and amidation. Safety precautions are necessary when handling isobutyric acid, as it can cause irritation to the skin and eyes.

Formula: C₄H₈O₂

InChI: InChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

InChI key: InChIKey=KQNPFQTWMSNSAP-UHFFFAOYSA-N

SMILES: C(C(O)=O)(C)C

Synonyms:

• 2-Methyl-1-propanoic acid
• 2-Methylpropanoate
• 2-Methylpropanoic acid
• 2-Methylpropionic acid
• 2-Propanecarboxylic acid
• Acide isobutyrique
• Acido Isobutirico
• Dimethyl acetic acid
• Dimethylacetic acid
• Iso-Butyric Aid
• Isobutanoic acid
• Isobuttersaeure
• Isobuttersaure
• Isobutyrates
• Isobutyricacid
• Isopropylformic acid
• Methyl propionic acid
• Nsc 62780
• Propanoic acid, 2-methyl-
• Propionic acid, 2-methyl-
• i-Butyric acid
• iso-Butyric acid
• α-Methylpropanoic acid
• α-Methylpropionic acid

Isobutyric Acid

CAS: 79-31-2

Formula: C₄H₈O₂

Purity: >99.0%(GC)

Color and Shape: Colorless clear liquid

Molecular weight: 88.11

Ref: 3B-I0103

Isobutyric acid, 99%

CAS: 79-31-2

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

Formula: C₄H₈O₂

Purity: 99%

Color and Shape: Liquid, Clear colorless

Molecular weight: 88.11

Ref: 02-L04038

Isobutyric acid

CAS: 79-31-2

Isobutyric acid

Formula: C₄H₈O₂

Purity: ≥95%

Molecular weight: 88.105

Ref: 54-OR1000029

2-Methylpropionic-2-d1 Acid

CAS: 19136-93-7, 79-31-2

Formula: (CH₃)₂CDCOOH

Purity: 99 atom % D

Color and Shape: Colorless Solid

Molecular weight: 89.05871

Ref: 3U-D6426

2-Methylpropionic-d7 Acid

CAS: 223134-74-5, 79-31-2

Formula: (CD₃)₂CDCOOH

Purity: 98 atom % D

Color and Shape: Colorless Solid

Molecular weight: 95.09637

Ref: 3U-D1969

2-Methyl-d3-propionic Acid

CAS: 79-31-2, 95926-99-1

Formula: CH₃CH(CD₃)COOH

Purity: 99 atom % D

Color and Shape: Colorless Solid

Molecular weight: 91.07126

Ref: 3U-D5897

Isobutyric acid

Controlled Product

CAS: 79-31-2

Formula: C₄H₈O₂

Color and Shape: Neat

Molecular weight: 88.11

Ref: 04-C14395500

Isobutyric acid

CAS: 79-31-2

Formula: C₄H₈O₂

Purity: ≥ 99.0%

Color and Shape: Clear, colourless liquid

Molecular weight: 88.11

Ref: 7W-GL6777

Isobutyric Acid

Controlled Product

CAS: 79-31-2

Applications Isobutyric acid is used in biological studies to discriminate between the different volatile compounds found in wines and beers.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Dourtoglou, V., et al.: Food Chem., 159, 181 (2014); Webber, V., et al.: Food Chem., 159, 391 (2014)

Formula: C₄H₈O₂

Color and Shape: Neat

Molecular weight: 88.11

Ref: TR-I781005

Isobutyric acid

CAS: 79-31-2

Ref: BE-BePure-23595

Isobutyric Acid extrapure, 99%

CAS: 79-31-2

Formula: C₄H₈O₂

Purity: min. 99%

Color and Shape: Clear, Colourless, Liquid

Molecular weight: 88.11

Ref: SR-39634