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Product Name: |
2-Methyl butyric acid |
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CAS: |
116-53-0 |
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MF: |
C5H10O2 |
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MW: |
102.13 |
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EINECS: |
204-145-2 |
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Mol File: |
116-53-0.mol |
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Melting point |
-70 °C |
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Boiling point |
176-177 °C(lit.) |
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density |
0.936 g/mL at 25 °C(lit.) |
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vapor pressure |
0.5 mm Hg ( 20 °C) |
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FEMA |
2695 | 2-METHYLBUTYRIC ACID |
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refractive index |
n20/D 1.405(lit.) |
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Fp |
165 °F |
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storage temp. |
0-6°C |
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solubility |
20g/l |
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pka |
4.8(at 25℃) |
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form |
Liquid |
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color |
Clear colorless to pale yellow |
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explosive limit |
1.6-7.3%(V) |
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Water Solubility |
45 g/L (20 ºC) |
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JECFA Number |
255 |
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BRN |
1720486 |
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CAS DataBase Reference |
116-53-0(CAS DataBase Reference) |
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NIST Chemistry Reference |
Butanoic acid, 2-methyl-(116-53-0) |
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EPA Substance Registry System |
2-Methylbutyric acid (116-53-0) |
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Hazard Codes |
C |
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Risk Statements |
21/22-34 |
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Safety Statements |
26-36/37/39-45 |
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RIDADR |
UN 3265 8/PG 3 |
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WGK Germany |
1 |
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RTECS |
EK7897000 |
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F |
13 |
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TSCA |
Yes |
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HazardClass |
8 |
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PackingGroup |
III |
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HS Code |
29156090 |
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Description |
2-Methylbutyric acid has a pungent, acrid odor similar to Roquefort cheese with an acrid taste. At low dilutions, it has a pleasant fruity taste. May be prepared by decarboxylation of methyl ethyl malonic acid (with heat); also by oxidation of fermentation amyl alcohol (fusel oil). |
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Chemical Properties |
2-Methylbutyric acid has a pungent, acrid odor similar to Roquefort cheese with an acrid taste. At low dilutions, it has a pleasant, fruity taste |
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Chemical Properties |
clear colorless to pale yellowish liquid |
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Uses |
Used in the synthesis of 2-methylbutyric anhydride |
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Definition |
ChEBI: A methylbutyric acid comprising a butyric acid core carrying a 2-methyl substituent. Produced from amino acid leucine during nutrient starvation in bacteria. |
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Aroma threshold values |
Detection: 10 to 60 ppb. Aroma characteristics at 1.0%: acidic sour, pungent, ripe fruit leather, lingon[1]berry, dirty cheesy, fermented pineapple fruity with a woody nuance |
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Taste threshold values |
Taste characteristics at 10 ppm: dirty, acidic sour, ripe fruity, with a dairy buttery and cheesy nuance |
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Raw materials |
FUSEL OIL-->methylethylmalonic acid |
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Preparation Products |
3-Methyl-butyramidine HCl-->Methylbutyric acid-->2-Methylbutyl 2-methylbutyrate-->FEMA 3632-->FEMA 3393-->HEXYL ISOVALERATE STANDARD FOR GC |
