3-Methyl-2-buten-1-ol
ALDRICH/W364703 - ≥98%, FG
Synonym: 3,3-Dimethylallyl alcohol; Prenol
CAS Number: 556-82-1
Empirical Formula (Hill Notation): C5H10O
Molecular Weight: 86.13
EC Number: 209-141-4
MDL Number: MFCD00002916
Linear Formula: (CH3)2C=CHCH2OH
Product Type: Chemical
| application(s) | flavors and fragrances |
| assay | ≥98% |
| biological source | synthetic |
| bp | 140 °C (lit.) |
| density | 0.848 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 16.3 % |
| food allergen | no known allergens |
| grade | FG |
| Kosher | |
| InChI | 1S/C5H10O/c1-5(2)3-4-6/h3 |
| InChI key | ASUAYTHWZCLXAN-UHFFFAOYSA |
| organoleptic | green; fruity |
| Quality Level | 300 ![]() |
400 ![]() |
|
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 872/2012 |
| SMILES string | CC(C)=CCO |
| vapor pressure | 1.4 mmHg ( 20 °C) |
| General description: | Methyl-2-buten-1-ol is one of the key volatile aroma components of pepino fruit and daffodil flowers. It is used as a fragrance ingredient in fragrances cosmetics, and household cleaners and detergents. |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 4 kg in steel drum |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226 - H302 + H332 - H314 - H335 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 10-22-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 1987C 3 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 124.7 °F - closed cup |
| Flash Point(C) | 51.5 °C - closed cup |
| Purity | ≥98% |
| bp | 140 °C (lit.) |
| Density | 0.848 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 3647 |
| UNSPSC | 12164502 |




