Pharmaceutical Chemicals
Description
Isobutyric Acid CAS 79-31-2
Product Name: Isobutyric acid;
Synonyms: RARECHEM AL BO 0091;METHYLPROPIONIC ACID;ISOPROPYL FORMIC ACID;ISOBUTYRIC ACID;FEMA 2222;2-Methyl propiori cacid;2-METHYLPROPIONIC ACID;2-METHYL PROPANOIC ACID;
CAS: 79-31-2;
MF: C4H8O2;
MW: 88.11;
EINECS: 201-195-7;
Product Categories: Building Blocks;C1 to C5;Carbonyl Compounds;Carboxylic Acids;Chemical Synthesis;Organic Building Blocks;Artemisia vulgaris;Chamaemelum nobile (Chamomile tea);Lavandula angustifolia (Lavendar tea);Nutrition Research;Panax ginseng;Phytochemicals by Plant (Food/Spice/Herb);
Melting point: -47 °C;
Boiling point: 153-154 °C(lit.);
density: 0.95 g/mL at 25 °C(lit.);
vapor density: 3.04 (vs air);
vapor pressure: 1.5 mm Hg ( 20 °C);
refractive index: n20/D 1.393(lit.);
Fp: 132 °F;
Chemical properties: Colorless oily liquid; strong irritating odor; miscible with water; soluble in alcohol, ether and so on.
Description:
Isobutyric acid, also known as 2-methylpropanoic acid, It is found in the free state in carobs (Ceratonia siliqua), in vanilla and in the root of Arnica dulcis, and as an ethyl ester in croton oil. Isobutyric acid is an isomer of n-butyric acid; they have the same chemical formula C4H8O2 but a different structure.
Usage:
1. Isobutyric acid is mainly used in the synthesis of isobutyric acid esters, such as methyl isobutyrate, propyl ester, isoamyl ester and benzyl ester. It can also be used as edible flavor and used in pharmaceutical.
2. GB 2760-1996 provides for isobutyric acid as the food flavors allowed to use. It is mainly used for the preparation of butter, apple, caramel, cheese, bread, yeast and other flavors.
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