Butyric acid, Butanoic acid, 99.0+%,

CAS Number: 107-92-6
Molecular Formula: C
4H8O2
Molecular Weight: 88.11
IUPAC Name: Butanoic acid

Other Names: 1-Propanecarboxylic acid, Propanecarboxylic acid, C4:0

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Butyric acid (from Greek βούτυρο, meaning "butter"), also known under the systematic name butanoic acid, is a carboxylic acid with the structural formula CH3CH2CH2-COOH. Salts and esters of butyric acid are known as butyrates or butanoates. Butyric acid is found in milk, especially goat, sheep and buffalo milk, butter, Parmesan cheese, and as a product of anaerobic fermentation (including in the colon and as body odor). It has an unpleasant smell and acrid taste, with a sweetish aftertaste (similar to ether). It can be detected by mammals with good scent detection abilities (such as dogs) at 10 ppb, whereas humans can detect it in concentrations above 10 ppm.

Butyric acid is used in the preparation of various butyrate esters. Low-molecular-weight esters of butyric acid, such as methyl butyrate,  have mostly pleasant aromas or tastes. As a consequence, they find use as food and perfume additives. It is also used as an animal feed supplement, due to the ability to reduce pathogenic bacterial colonization. It is an approved food flavoring in the EU FLAVIS database (number 08.005). Due to its powerful odor, it has also been used as a fishing bait additive. Many of the commercially available flavors used in carp (Cyprinus carpio) baits use butyric acid as their ester base; however, it is not clear whether fish are attracted by the butyric acid itself or the substances added to it. Butyric acid was, however, one of the few organic acids shown to be palatable for both tench and bitterling.

 
Data sheet
Chemical purity99.0+%
Molecular FormulaC4H8O2
Molecular Weight88.11

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Butyric acid, Butanoic acid, 99.0+%,

CAS Number: 107-92-6
Molecular Formula: C
4H8O2
Molecular Weight: 88.11
IUPAC Name: Butanoic acid

Other Names: 1-Propanecarboxylic acid, Propanecarboxylic acid, C4:0

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