2-Pentylpyridine
Synonym(s):2-Amyl pyridine
- CAS NO.：2294-76-0
- Empirical Formula: C10H15N
- Molecular Weight: 149.23
- MDL number: MFCD00051828
- EINECS: 218-937-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 2-Pentylpyridine?
Chemical properties
2-Pentylpyridine has a tallowy-like odor.
Occurrence
Reported as occurring in shallow-fried beef and as a steam-volatile component in roasted Spanish peanut. Also reported found in bell pepper, black sesame seeds, roast turkey, fried chicken, fried beef, cooked beef, mutton, lamb fat, roasted filberts, toasted oats and coriander seed.
Preparation
By alkylation of 2-pycollyl lithium; by hydrogenation of 2-pentenyl pyridine.
Definition
ChEBI: 2-Pentylpyridine is a member of pyridines.
Aroma threshold values
Detection: 0.6 ppb. Aroma characteristics at 0.1%: strong fresh green vegetative, peppery, mushroom, herbal and oily.
Taste threshold values
Taste characteristics at 1 ppm: green pepper vegetative, mushroom-like, musty, oily, meaty and MSG-like.
Purification Methods
Dry it with NaOH for several days, then distil it from CaO under reduced pressure, taking the middle fraction and redistilling it. The picrate has m 72-72.8o (from EtOH). [Beilstein 20 III/IV 2835.] 3-n-Pentylpyridine, purified as the 2-isomer, has b 110-112o/20mm, 224-226o/748mm, and the picrate has m 79.5-80o(from EtOH). [Beilstein 20 III/IV 2835.]
Properties of 2-Pentylpyridine
| Boiling point: | 102-107 °C (lit.) |
| Density | 0.897 g/mL at 25 °C (lit.) |
| FEMA | 3383 | 2-PENTYLPYRIDINE |
| refractive index | n |
| Flash point: | 175 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | clear liquid |
| pka | 6.01±0.10(Predicted) |
| color | Colorless to Light yellow |
| Specific Gravity | 0.902 |
| Odor | at 0.10 % in propylene glycol. fatty tallow green pepper mushroom herbal |
| JECFA Number | 1313 |
| BRN | 2772 |
| CAS DataBase Reference | 2294-76-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine, 2-pentyl-(2294-76-0) |
| EPA Substance Registry System | 2-Pentylpyridine (2294-76-0) |
Safety information for 2-Pentylpyridine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing 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. 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. |
Computed Descriptors for 2-Pentylpyridine
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