3-Methyl-1-butanol
SIGALD/320021 - ACS reagent, ≥98.5%
Synonym: Isoamyl alcohol; Isopentyl alcohol
CAS Number: 123-51-3
Empirical Formula (Hill Notation): C5H12O
Molecular Weight: 88.15
EC Number: 204-633-5
MDL Number: MFCD00002934
Linear Formula: (CH3)2CHCH2CH2OH
Product Type: Chemical
| assay | ≥98.5% |
| autoignition temp. | 644 °F |
| bp | 130 °C (lit.) |
| density | 0.809 g/mL at 25 °C (lit.) |
| dilution | (for analytical testing) |
| evapn. residue | ≤0.003% |
| expl. lim. | 1.2-9 %, 100 °F |
| form | liquid |
| grade | ACS reagent |
| impurities | ≤0.002 meq/g Titr. acid |
| ≤0.1% carbonyl (as HCHO) | |
| ≤0.2% acids and esters (as amyl acetate) | |
| ≤0.5% water | |
| InChI | 1S/C5H12O/c1-5(2)3-4-6/h5 |
| InChI key | PHTQWCKDNZKARW-UHFFFAOYSA |
| mp | −117 °C (lit.) |
| pH | 5.6 (20 °C, 25 g/L) |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | CC(C)CCO |
| vapor density | 3 (vs air) |
| vapor pressure | 2 mmHg ( 20 °C) |
| Application: | 3-Methyl-1-butanol is used as a: • Dissolution of a wide range of organic compounds and is often employed for extraction, dilution, and preparation of samples for analysis. • Starting material or reagent in organic synthesis. It can be incorporated into various reactions to introduce the isoamyl group or alcohol functionality into target molecules. |
| General description: | 3-methyl-1-butanol is a clear, colorless alcohol. It is one of several isomers of amyl alcohol. It is commonly used as a solvent in various applications, such as inks, coatings, and pharmaceutical preparations. |
| General description: | Our premium ACS solvents are ideal for routine chemical synthesis, drying, purification, and critical labware cleaning. They meet or exceed the rigorous standards of the American Chemical Society (ACS), ensuring high-quality results for your research needs. Premium ACS Solvents: Our solvents meet or exceed the stringent standards set by the American Chemical Society, ensuring high quality and reliability for your laboratory applications. Replicable and Publishable Results: Designed for consistency, our solvents deliver results that can be reliably reproduced, making them ideal for research that requires publication. Versatile Applications: Suitable for routine chemical synthesis, drying, purification, and critical labware cleaning, our solvents cater to a wide range of research needs in the laboratory. |
| Packaging: | 1, 2.5 L in glass bottle |
| Packaging: | 500 mL in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226 - H315 - H318 - H332 - H335 |
| Precautionary statements | P210 - P261 - P280 - P305 + P351 + P338 + P310 - P370 + P378 |
| Hazard Codes | Xn |
| Risk Statements | 10-20-36/37/38-66 |
| Safety Statements | 26-46 |
| RIDADR | UN1105 - class 3 - PG 3 - Pentanols |
| WGK Germany | WGK 1 |
| Flash Point(F) | 109.4 °F - closed cup |
| Flash Point(C) | 43 °C - closed cup |
| Purity | ≥98.5% |
| bp | 130 °C (lit.) |
| mp | −117 °C (lit.) |
| Density | 0.809 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352001 |




