Isobutyric acid
Isobutyric acid (CAS: 79-31-2) is a saturated monocarboxylic acid with the chemical formula (CH3)2CHCO2H and a molecular weight of 88.11 g/mol. This clear liquid possesses a characteristic pungent odour and is primarily utilised as a building block in organic synthesis and in the production of various esters, pharmaceuticals, and agrochemicals. Its properties make it a valuable intermediate in numerous chemical processes.
- IUPAC
- 2-Methylpropionic acid
- Synonyms
- 2-Methylpropionic acidPropane, 2-carboxy-
Organic Synthesis Intermediate
Isobutyric acid serves as a key building block in the synthesis of more complex organic molecules. It is frequently employed in the creation of esters, which find applications as flavouring agents and solvents.
Pharmaceutical Production
This carboxylic acid is used as an intermediate in the manufacture of certain pharmaceutical compounds. Its structure allows for specific modifications necessary in drug development and synthesis pathways.
Agrochemical Synthesis
Isobutyric acid acts as a precursor in the synthesis of some agrochemicals. It contributes to the development of compounds used in agriculture, though specific applications vary.
Ester Production
It is a common reagent for the production of isobutyrate esters, which are valued for their fruity aromas and are used in the fragrance and flavour industries.
| Molecular weight | 88.11 |
|---|---|
| Linear formula | (CH3)2CHCO2H |
| Assay | ≥98.0% (GC) |
| Boiling point | 153-154 °C(lit.) |
| Density | 0.95 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.393(lit.)n20/D 1.393 |
| Vapour pressure | 1.5 mmHg (20 °C) |
| Melting point | −47 °C(lit.) |
| Vapour density | 3.04 (vs air) |
| Autoignition temp | 824 °F |
| Impurities tested | ≤0.5% 2-methyl-butyric acid≤1.5% butyric acid |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 55 °C / 131 °F |
| Transport (UN / ADR) | UN 2529 8(3) / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 10 % |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Isobutyric acid used for?
+
Isobutyric acid is primarily used as a building block in organic synthesis, for producing esters used as flavouring agents and solvents, as an intermediate in the pharmaceutical industry, and in the synthesis of agrochemicals.
What is the CAS number and chemical formula for Isobutyric acid?
+
The CAS number for Isobutyric acid is 79-31-2, and its linear chemical formula is (CH3)2CHCO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Isobutyric acid with a purity of ">=98.0% (GC)". This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the main hazards associated with Isobutyric acid?
+
Isobutyric acid is classified with the GHS07 symbol and the signal word 'Warning'. It carries hazard statements H302 (Harmful if swallowed) and H312 (Harmful in contact with skin). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used during handling.
How is Isobutyric acid packed, shipped, and exported?
+
Isobutyric acid is packed in accordance with international shipping regulations for hazardous materials. Tech Serve Solutions is experienced in exporting chemicals globally, ensuring compliance with all relevant transport and customs requirements.
How can I request a sample or quote for Isobutyric acid?
+
To request a sample or a quote for Isobutyric acid, please contact our sales department via the website or by telephone. Our team will be happy to assist you with your specific requirements.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis