5-ethyl-2-methyl pyridine
5-ethyl-2-methylpyridine
Identification
| Name | 5-ethyl-2-methyl pyridine |
| IUPAC | 5-ethyl-2-methylpyridine |
| CAS Number | 104-90-5 |
| EINECS | 203-250-0 |
| FDA UNII | WG205CGK3Y |
| Molecular Formula | C8 H11 N |
| Molecular Weight | 121.18267000 |
| MDL Number | MFCD00006344 |
| Nikkaji Number | J5.037G |
| Beilstein | 0109269 |
| CoE Number | 11385 |
Regulatory
| JECFA Food Flavoring | 1318 5-ethyl-2-methylpyridine |
| DG SANTE Food Flavourings | 14.066 5-ethyl-2-methylpyridine |
| FEMA Number | 3546 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 104-90-5 ; 5-ETHYL-2-METHYLPYRIDINE |
Physical Properties
| Appearance | yellow clear liquid (est) |
| Assay | 97.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.91700 to 0.92300 @ 25.00 °C. |
| Pounds per Gallon - (est). | 7.630 to 7.680 |
| Refractive Index | 1.49500 to 1.50200 @ 20.00 °C. |
| Boiling Point | 172.00 to 175.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 1.430000 mmHg @ 25.00 °C. |
| Vapor Density | 4.2 ( Air = 1 ) |
| Flash Point | 151.00 °F. TCC ( 66.11 °C. ) |
| logP (o/w) | 2.178 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description | at 0.10 % in propylene glycol. |
| Taste Description | winey buttery acidic cereal sulfurous solvent |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | oral-rat LD50 1540 mg/kg |
| Dermal Toxicity | skin-rabbit LD50 566 ul/kg |
| Inhalation Toxicity | inhalation-rat LC50 540 ppm/4H |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavoring agents |
| Recommendation for 5-ethyl-2-methyl pyridine usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.12 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 0.04 (μg/capita/day) |
| Structure Class | II |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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Potential Uses
Natural Occurrence
Synonyms
2,5-
aldehydine
5-
ethyl-2-methyl-pyridin
5-
ethyl-2-methylpyridine
5-
ethyl-2-picoline
3-
ethyl-6-methyl pyridine
3-
ethyl-6-methylpyridine
5-
ethyl-alpha-picoline
6-
methyl-3-ethyl pyridine
6-
methyl-3-ethylpyridine
2-
methyl-5-ethyl pyridine
2-
methyl-5-ethylpyridine
2-
picoline, 5-ethyl-
pyridine, 5-ethyl-2-methyl-
US Patents:
3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines
US Patents:
Flavoring agent