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5-Ethyl-2-methyl pyridine

5-Ethyl-2-methyl pyridine

5-Ethyl-2-methyl pyridine

English Name 5-Ethyl-2-methylpyridine
English Synonym 2,5-Aldehydine;2-Picoline, 5-ethyl-; 5-ethyl-2-methyl-pyridin; 5-ethyl-2-picolin; 5-Ethyl-alpha-picoline; 6-Methyl-3-ethylpyridine; Aldehydkollidin; collidine, aldehydecollidine
CAS No. 104-90-5
Molecular Formula C8H11N
Molecular Weight 121.18
EINECS No 203-250-0
Related categories Pharmaceutical intermediate; organic material; Pyridines derivates
Mol File 104-90-5.mol

5-Ethyl-2-methylpyridine 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)
Refraction Index n20/D 1.497(lit.)
FEMA 3546
Flash Point 151 °F
Water Solubility practically insoluble
Merck 14,3844
BRN 109269
Stability Stable, hygroscopic, combustible, incompatible with strong oxidizing agents.
CAS Database 104-90-5(CAS Database Reference)
NIST Chemical Data Pyridine, 5-ethyl-2-methyl-(104-90-5)
EPA Chemical Data Pyridine, 5-ethyl-2-methyl-(104-90-5)

5-Ethyl-2-methylpyridine Uses
Use Pharmaceutical intermediate
Use Used in medical industry, used for making nicotinic acid, nicotinamide, isoniazide, nikethamide, etc.
Category poisonous substance
Toxicity Grading high grade
Acute Toxicity oral-rat LD50: 368 mg/kg; oral-mouseLD50: 282 mg/kg
Stimulation data skin-rabbit 10 mg/24h severe; eye-rabbit 0.25mg severe
Flammability and Hazard Properties Flammable; cause poisonous nitric oxide after heated
Storage Property storehouse: ventilate, low temperature, dry; separately stored and transported with food or textile.
Fire-extinguishing agent dry powder, foam, sandy soil, carbon dioxide, spray water

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