CAS 123-51-3: 3-Methyl-1-butanol
Description:3-Methyl-1-butanol, also known as isoamyl alcohol, is a branched-chain alcohol with the molecular formula C5H12O. It features a hydroxyl (-OH) functional group attached to a butane backbone, specifically at the first carbon, with a methyl group on the third carbon. This compound is a colorless liquid with a characteristic odor reminiscent of bananas or pears. It has a relatively low boiling point and is soluble in water, although its solubility decreases with increasing chain length in alcohols. 3-Methyl-1-butanol is used in various applications, including as a solvent, in the production of flavorings and fragrances, and as an intermediate in organic synthesis. It is also found in small quantities in some alcoholic beverages, contributing to their aroma. While it is generally considered to have low toxicity, exposure should still be managed, as it can cause irritation to the skin and eyes. Proper handling and storage are essential to ensure safety in both industrial and laboratory settings.
Formula:C5H12O
InChI:InChI=1S/C5H12O/c1-5(2)3-4-6/h5-6H,3-4H2,1-2H3
InChI key:InChIKey=PHTQWCKDNZKARW-UHFFFAOYSA-N
SMILES:OCCC(C)C
- Synonyms:
- (1s-Exo, Exo-3-(N-(3,5-Dimethylphenyl)Benzenesulfonamide)Iso-Borneol
- 1-Butanol, 3-methyl-
- 2,2-Dimethylbutanoic Acid
- 2-Methyl-4-butanol
- 2-Methylbutan-1-Ol
- 3-Methyl Butanol
- 3-Methyl-butane-1-ol
- 3-Methylbutan-1-Ol
- 3-Methylbutane-1-Ol
- 3-Methylbutanol
- See more synonyms
- 3-Methylbutyl alcohol
- 3-Metil-1-butanolo
- 3-Metilbutan-1-Ol
- 3-メチル-1-ブタノール
- Alcohol isoamílico
- Alcohol isopentílico
- Alcool isoamilico
- Alcool isoamylique
- Butan-1-Ol, 3-Methyl-
- Isoamyl Alcohol
- Isoamyl Alconol
- Isoamylalkohol
- Isoamylol
- Isobutyl carbinol
- Isopentanol
- Isopentanolo
- Isopentyl Alcohol
- Natural 3-Methylbutanol
- Natural Isoamyl Alcohol
- Nsc 1029
- Nsc 7905
- iso-Amyl alcohol
- iso-Pentanol
- イソアミルアルコール
- イソペンタノール
- 3-Methyl-1-butanol
- 3-Methyl-1-Butanol
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | Isoamyl Alcohol (Isopentyl Alcohol) ExiPlus, Multi-Compendial , 99% REF: SR-88719CAS: 123-51-3 | min. 98.5% | - - - | Discontinued product |
![]() | Isoamyl Alcohol (Isopentyl Alcohol) ACS, 98.5% REF: SR-69931CAS: 123-51-3 | min. 98.5% | - - - | Discontinued product |

Isoamyl Alcohol (Isopentyl Alcohol) ExiPlus, Multi-Compendial , 99%
Ref: SR-88719
500ml | Discontinued | Request information | |
2500ml | Discontinued | Request information |

Isoamyl Alcohol (Isopentyl Alcohol) ACS, 98.5%
Ref: SR-69931
500ml | Discontinued | Request information | |
2500ml | Discontinued | Request information |