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5-Ethyl-2-methylpyridine Structure

5-Ethyl-2-methylpyridine

Chemical 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  n20/D 1.497(lit.)
Flash point 151 °F
storage temp.  Store below +30°C.
solubility  12.0g/l
pka pK1:6.51(+1) (20°C)
form  clear liquid
color  Colorless to Light orange to Yellow
Specific Gravity 0.921 (20/4℃)
Odor at 0.10 % in propylene glycol. nutty strong raw potato roasted earthy
Odor Type nutty
Water Solubility  practically insoluble
Merck  14,3844
JECFA Number 1318
BRN  109269
Stability Stable. Hygroscopic. Combustible. Incompatible with strong oxidizing agents.
InChIKey NTSLROIKFLNUIJ-UHFFFAOYSA-N
LogP 2.1 at 22℃
Substances Added to Food (formerly EAFUS) 5-ETHYL-2-METHYLPYRIDINE
CAS DataBase Reference 104-90-5(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII WG205CGK3Y
NIST Chemistry Reference Pyridine, 5-ethyl-2-methyl-(104-90-5)
EPA Substance Registry System 5-Ethyl-2-methylpyridine (104-90-5)

Safety

Symbol(GHS)
Signal wordDanger
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)
NFPA 704:
2
3 0

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