2-Methyl butyric acid
CAS Number：116-53-0
Chemical Formula: C5H10O2
Synonyms: FEMA 2695,BUTANE-2-CARBOXYLIC ACID,RARECHEM AL BO 0094
Appearance: Transparent liquid
MOQ (Minimum Order Quantity) : 1 FCL (Full Container Load)
2-Methyl butyric acid presents a pungent and sharp odor close to that of Roquefort cheese with a strong biting taste. When diluted to low concentrations, it delivers a nice and fruity flavor. It can be produced through thermal decarboxylation of methyl ethyl malonic acid or by oxidation of fermented amyl alcohol also called fusel oil. It is widely applied as a flavoring component to build butter, cream and cheese notes, and provides the acyl group for synthesizing related flavor esters.
Chemical Properties
| Item | Value |
| Melting point | -70 °C |
| Boiling point | 176-177 °C (lit.) |
| density | 0.936 g/mL at 25 °C (lit.) |
| vapor pressure | 0.5 mm Hg ( 20 °C) |
| refractive index | n20/D 1.405(lit.) |
| FEMA | 2695 |
| Fp | 165 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 20g/l |
| form | Liquid |
| pka | 4.8(at 25℃) |
| color | Clear colorless to pale yellow |
| Odor | at 10.00 % in propylene glycol. pungent acid roquefort cheese |
| Odor Type | acidic |
| biological source | synthetic |
| explosive limit | 1.6-7.3%(V) |
| Water Solubility | 45 g/L (20 ºC) |
| JECFA Number | 255 |
| BRN | 1720486 |
| Cosmetics Ingredients Functions | PERFUMING |
| LogP | 1.8 at 25℃ |
| CAS DataBase Reference | 116-53-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Butanoic acid, 2-methyl-(116-53-0) |
| EPA Substance Registry System | 2-Methylbutyric acid (116-53-0) |
Safety Information
| Item | Value |
| Hazard Codes | C |
| Risk Statements | 21/22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3265 8/PG 3 |
| WGK Germany | 1 |
| RTECS | EK7897000 |
| F | 13 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29156090 |
Product Application
2-Methyl butyric acid acts as a food additive to create authentic butter, cream and cheese flavor profiles. It is a key raw material and intermediate for organic synthesis, pharmaceuticals, agrochemicals and dyestuff manufacturing. It also takes part in the synthesis of 2-methylbutyric anhydride.
Supply & Delivery
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Inventory: 2-3 working days
New production: 7-10 working days
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