4-Pentenoic acid
ALDRICH/W284300 - ≥98%, stabilized, FG
Synonym: 3-Vinylpropionic acid; Allylacetic acid
CAS Number: 591-80-0
Empirical Formula (Hill Notation): C5H8O2
Molecular Weight: 100.12
EC Number: 209-732-7
MDL Number: MFCD00004408
Linear Formula: CH2=CHCH2CH2COOH
Product Type: Chemical
| agency | meets purity specifications of JECFA |
| application(s) | flavors and fragrances |
| assay | ≥98% |
| biological source | synthetic |
| bp | 83-84 °C/12 mmHg (lit.) |
| contains | α-tocopherol, synthetic as stabilizer |
| density | 0.981 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| food allergen | no known allergens |
| grade | FG |
| Halal | |
| Kosher | |
| InChI | 1S/C5H8O2/c1-2-3-4-5(6)7/ |
| InChI key | HVAMZGADVCBITI-UHFFFAOYSA |
| mp | −22.5 °C (lit.) |
| organoleptic | cheese |
| Quality Level | 300 ![]() |
400 ![]() |
|
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 178/2002 |
| FDA 21 CFR 172.515 | |
| SMILES string | OC(=O)CCC=C |
| vapor density | >1 (vs air) |
| General description: | 4-Pentenoic acid is a volatile acid reported to be found in tobacco. |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H314 |
| Precautionary statements | P270 - P280 - P301 + P312 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1760 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 192.2 °F - closed cup |
| Flash Point(C) | 89 °C - closed cup |
| Purity | ≥98% |
| bp | 83-84 °C/12 mmHg (lit.) |
| mp | −22.5 °C (lit.) |
| Density | 0.981 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 2843 |
| UNSPSC | 12164502 |



