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Substance Name: 2-Methyl-5-ethylpyridine
RN: 104-90-5
UNII: WG205CGK3Y
InChIKey: NTSLROIKFLNUIJ-UHFFFAOYSA-N

Classification Codes

  • Mutation Data
  • Skin / Eye Irritant

Molecular Formula

  • C8-H11-N

Molecular Weight

  • 121.182
 
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Names and Synonyms

Name of Substance

  • 2-Methyl-5-ethylpyridine
  • 5-Ethyl-2-picoline

Synonyms

  • 2,5-Aldehydine
  • 2-Methyl-5-ethylpyridine
  • 2-Picoline, 5-ethyl-
  • 3-Ethyl-6-methylpyridine
  • 5-20-06-00086 (Beilstein Handbook Reference)
  • 5-Ethyl-2-methylpyridine
  • 5-Ethyl-2-picoline
  • 5-Ethyl-alpha-picoline
  • 6-Methyl-3-ethylpyridine
  • AI3-19225
  • Aldehydecollidine
  • Aldehydine
  • Aldehydkollidin
  • BRN 0109269
  • Collidine, aldehydecollidine
  • EC 203-250-0
  • EINECS 203-250-0
  • FEMA No. 3546
  • HSDB 5137
  • MEP
  • MEP (VAN)
  • NSC 1984
  • UNII-WG205CGK3Y

Systematic Names

  • 2-Picoline, 5-ethyl-
  • 5-Ethyl-2-methylpyridine
  • Pyridine, 5-ethyl-2-methyl-

Superlist Names

  • 2-Methyl-5-ethylpyridine
  • 2-Methyl-5-ethylpyridine [UN2300] [Poison]
  • 2-Picoline, 5-ethyl-
  • 5-Ethyl-2-methylpyridine
  • 5-Ethyl-2-picoline
  • Pyridine, 5-ethyl-2-methyl-
  • UN2300

Registry Numbers

CAS Registry Number

  • 104-90-5

FDA UNII

  • WG205CGK3Y

System Generated Number

  • 0000104905

Structure Descriptors

InChI

1S/C8H11N/c1-3-8-5-4-7(2)9-6-8/h4-6H,3H2,1-2H3

InChIKey

NTSLROIKFLNUIJ-UHFFFAOYSA-N

Smiles

c1(ccc(C)nc1)CC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin 2500mg/kg (2500mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 846, 1986.
mouse LD50 oral 282mg/kg (282mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 83, 1982.
mouse LD50 subcutaneous 294mg/kg (294mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 83, 1982.
rabbit LD50 skin 566uL/kg (0.566mL/kg) LIVER: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA
National Technical Information Service. Vol. OTS0571695,
rat LC50 inhalation 540ppm/4H (540ppm) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA
National Technical Information Service. Vol. OTS0571695,
rat LD50 oral 1300uL/kg (1.3mL/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
National Technical Information Service. Vol. OTS0571695,
rat LD50 subcutaneous 826mg/kg (826mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 83, 1982.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -7.09E+01 deg C   EXP
Boiling Point 178.3 deg C   EXP
pKa Dissociation Constant 6.51 (none) 20 EXP
log P (octanol-water) 2.390 (none)   EST
Water Solubility 1.20E+04 mg/L 20 EXP
Vapor Pressure 1.43 mm Hg 25 EXP
Henry's Law Constant 1.90E-05 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.41E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.