2-METHYL-4-PENTENOIC ACID
- CAS NO.：1575-74-2
- Empirical Formula: C6H10O2
- Molecular Weight: 114.14
- MDL number: MFCD00015570
- EINECS: 216-404-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-22 18:57:36
What is 2-METHYL-4-PENTENOIC ACID?
Chemical properties
clear colorless to light yellow liquid
Chemical properties
2-Methyl-4-pentenoic acid has a cheese-like odor.
The Uses of 2-METHYL-4-PENTENOIC ACID
2-Methyl-4-pentenoic acid is used as raw material for fruit flavor or it is an enhancer of fruity fragrances.
Definition
ChEBI: 2-Methyl-4-pentenoic acid is a branched-chain fatty acid.
Synthesis Reference(s)
Chemistry Letters, 9, p. 571, 1980
Tetrahedron Letters, 21, p. 2181, 1980 DOI: 10.1016/S0040-4039(00)78992-1
Properties of 2-METHYL-4-PENTENOIC ACID
| Melting point: | 17.3°C (estimate) |
| Boiling point: | 195 °C(lit.) |
| Density | 0.949 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 3511 | 2-METHYL-4-PENTENOIC ACID |
| Flash point: | 210 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 4.67±0.10(Predicted) |
| form | clear liquid |
| color | Colorless to Red to Green |
| Odor | at 10.00 % in propylene glycol. fruity cheese |
| Water Solubility | Slightly soluble in water |
| JECFA Number | 355 |
| BRN | 1720987 |
| CAS DataBase Reference | 1575-74-2(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Pentenoic acid, 2-methyl- (1575-74-2) |
Safety information for 2-METHYL-4-PENTENOIC ACID
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H290:Corrosive to Metals H302:Acute toxicity,oral H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P234:Keep only in original container. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. P390:Absorb spillage to prevent material damage. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P406:Store in corrosive resistant/… container with a resistant inner liner. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-METHYL-4-PENTENOIC ACID
| InChIKey | HVRZYSHVZOELOH-UHFFFAOYSA-N |
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