A3936212
5-Ethyl-2-picoline , 97% , 104-90-5
Synonym(s):
5-Ethyl-2-picoline;NSC 1984
CAS NO.：104-90-5
Empirical Formula: C8H11N
Molecular Weight: 121.18
MDL number: MFCD00006344
EINECS: 203-250-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -70.9 °C |
| Boiling point: | 178 °C (lit.) |
| Density | 0.919 g/mL at 25 °C (lit.) |
| vapor density | 4.2 (vs air) |
| vapor pressure | 1.853hPa at 20℃ |
| FEMA | 3546 | 5-ETHYL-2-METHYLPYRIDINE |
| refractive index | n |
| Flash point: | 151 °F |
| storage temp. | Store below +30°C. |
| solubility | 12.0g/l |
| pka | pK1:6.51(+1) (20°C) |
| form | clear liquid |
| Specific Gravity | 0.921 (20/4℃) |
| color | Colorless to Light orange to Yellow |
| Odor | at 0.10 % in propylene glycol. nutty strong raw potato roasted earthy |
| Odor Type | nutty |
| biological source | synthetic |
| Water Solubility | practically insoluble |
| JECFA Number | 1318 |
| Merck | 14,3844 |
| BRN | 109269 |
| Stability: | Stable. Hygroscopic. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | NTSLROIKFLNUIJ-UHFFFAOYSA-N |
| LogP | 2.1 at 22℃ |
| CAS DataBase Reference | 104-90-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine, 5-ethyl-2-methyl-(104-90-5) |
| EPA Substance Registry System | 5-Ethyl-2-methylpyridine (104-90-5) |
Description and Uses
2-Methyl-5-ethyl pyridine is a colorless liquidwith a sharp, aromatic odor. Molecular weight = 121.20;Boiling point = 128℃; Flash point = 39℃; also listed at68℃; Autoignition temperature 5 538℃. Explosive limits:LEL 5 1.1%; UEL 5 6.6%. Hazard Identification (based onNFPA-704 M Rating System): Health 2, Flammability 2,Reactivity 0. Slightly soluble in water.
Perfume composition
Safety
| Symbol(GHS) |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H302-H311-H314 |
| Precautionary statements | P270-P280-P301+P312-P301+P330+P331-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | C,N |
| Risk Statements | 20/22-34-20/21/22-52/53 |
| Safety Statements | 26-36/37/39-45-61 |
| RIDADR | UN 2300 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | TJ6825000 |
| Hazard Note | Corrosive |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29333990 |
| Hazardous Substances Data | 104-90-5(Hazardous Substances Data) |
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
