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Isoamyl Alcohol, also known as Isopentyl Alcohol, Isopentanol, or 3-methyl-butan-1-ol, is a colorless liquid having the formula C5H12O. It is one of the numerous amyl alcohol isomers. It is a common fusel alcohol produced as a by-product of the ethanol fermentation process. The Analytical Reagent Grade is generally equivalent to the American Chemical Society (ACS) Grade and is acceptable for use in analytical applications and research laboratories. Lab Alley recommends to use it in research labs for precise, repetitive, and consistent results.
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- Artificial flavor
- Anti-foaming agent
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Product Information
| CAS | 123-51-3 |
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| Synonyms | Isoamyl alcohol, 3-Methyl-1-butanol, Isopentyl alcohol, 3-Methylbutan-1-ol, Isopentanol, 3-Methylbutanol, 1-Butanol, 3-methyl-Isoamylol, Isobutylcarbinol, Iso-amylalkohol, Fusel Oil |
| Assay | Min 98.5% |
| PubChem ID | 31260 |
| Grade | Reagent Grade |
| Melting point | -179°F (-117.2°C) |
| Density | 810 kg/m³ |
| Molecular formula | C5H12O |
| Molecular weight | 88.15 |
| Acids and Esters (as Amyl Acetate) | 0.20% |
| Autoship Available | No |
| Titrabale acid | 0.002 meq/g |












