2-Methyl-1-butanol
ALDRICH/W399809 - ≥99%, FG
Synonym: 2-methylbutan-1-ol; 2-methylbutanol; 2-methylbutyl alcohol
CAS Number: 137-32-6
Empirical Formula (Hill Notation): C5H12O
Molecular Weight: 88.15
EC Number: 205-289-9
MDL Number: MFCD00004743
Linear Formula: C2H5CH(CH3)CH2OH
Product Type: Chemical
| agency | follows IFRA guidelines |
| meets purity specifications of JECFA | |
| application(s) | flavors and fragrances |
| assay | ≥99% |
| autoignition temp. | 725 °F |
| biological source | synthetic |
| bp | 130 °C mmHg (lit.) |
| density | 0.815 g/mL at 25 °C (lit.) |
| 0.819 g/mL at 20 °C (lit.) | |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 10 % |
| food allergen | no known allergens |
| fragrance allergen | no known allergens |
| grade | FG |
| Fragrance grade | |
| Halal | |
| Kosher | |
| InChI | 1S/C5H12O/c1-3-5(2)4-6/h5 |
| InChI key | QPRQEDXDYOZYLA-UHFFFAOYSA |
| organoleptic | alcohol; whiskey; wine-like |
| Quality Level | 300 ![]() |
400 ![]() |
|
| refractive index | n |
| reg. compliance | EU Regulation 1223/2009 |
| EU Regulation 1334/2008 & 178/2002 | |
| FDA 21 CFR 110 | |
| SMILES string | CCC(C)CO |
| vapor density | 3 (vs air) |
| Application: | <ul> <li><strong>Comparative study of two indoor microbial volatile pollutants, 2-Methyl-1-butanol and 3-Methyl-1-butanol, on growth and antioxidant system of rice (Oryza sativa) seedlings.</strong>: This article evaluates the impact of 2-methyl-1-butanol and its structural isomer on the growth and stress responses of rice seedlings, offering insights into the environmental and biological effects of these compounds (Nguyen DK et al., 2024 ![]() </ul> |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 20 kg in composite drum |
| Packaging: | 8 kg in steel drum |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226 - H315 - H318 - H332 - H335 |
| Precautionary statements | P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 10-20-36/37/38-66 |
| Safety Statements | 26 |
| RIDADR | UN1105 - class 3 - PG 3 - Pentanols |
| WGK Germany | WGK 1 |
| Flash Point(F) | 108.5 °F - closed cup |
| Flash Point(C) | 42.5 °C - closed cup |
| Purity | ≥99% |
| bp | 130 °C mmHg (lit.) |
| Density | 0.819 g/mL at 20 °C (lit.); 0.815 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 3998 |
| UNSPSC | 12164502 |




