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Sigma-Aldrich

2,4,6-Trimethylpyridine

puriss. p.a., 99% (GC)

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Synonym(s):
2,4,6-Collidine, sym-Collidine
Empirical Formula (Hill Notation):
C8H11N
CAS Number:
Molecular Weight:
121.18
Beilstein:
107283
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

puriss. p.a.

Quality Level

Assay

99% (GC)

form

liquid

impurities

≤0.1% water

evapn. residue

≤0.1%

refractive index

n20/D 1.498 (lit.)
n20/D 1.498

bp

171-172 °C (lit.)

mp

−43 °C (lit.)

density

0.917 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

storage temp.

2-8°C

SMILES string

Cc1cc(C)nc(C)c1

InChI

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

InChI key

BWZVCCNYKMEVEX-UHFFFAOYSA-N

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General description

2,4,6-Trimethylpyridine is a heterocyclic aromatic compound that is commonly used in dehydrohalogenation reactions. It is also used as a reaction solvent or chemical additive in organic reactions due to its basic properties.

Application

2,4,6-Trimethylpyridine can be used as a reagent:      
  • In solid-phase peptide synthesis.     
  • To synthesize trichloro(2,4,6-trimethylpyridine) Au(III) complex by reacting with HAuCl4.

Tissue fixative for electron microscopy.

Pictograms

FlameSkull and crossbones

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

131.0 °F - closed cup

Flash Point(C)

55 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Assessing the acid properties of desilicated ZSM-5 by FTIR using CO and 2, 4, 6-trimethylpyridine (collidine) as molecular probes.
Holm MS, et al.
Applied Catalysis A: General, 356(1), 23-30 (2009)
Halogen complexes. III. The association of 2, 4, 6-trimethylpyridine and trifluoroiodomethane.
Larsen DW and Allred AL.
The Journal of Physical Chemistry, 69(7), 2400-2401 (1965)
Janet E Del Bene et al.
The journal of physical chemistry. A, 110(3), 1128-1133 (2006-01-20)
Ab initio EOM-CCSD calculations have been performed on 3:1 FH:NH3 complexes at their own optimized MP2/6-31+G(d,p) geometries and at the optimized geometries in the hydrogen-bonding regions of corresponding 3:1 FH:collidine complexes. The isolated gas-phase equilibrium 3:1 FH:NH3 complex has an
Leszek Pazderski et al.
Magnetic resonance in chemistry : MRC, 48(6), 417-426 (2010-05-18)
(1)H, (13)C and (15)N NMR studies of gold(III), palladium(II) and platinum(II) chloride complexes with dimethylpyridines (lutidines: 2,3-lutidine, 2,3lut; 2,4-lutidine, 2,4lut; 3,5-lutidine, 3,5lut; 2,6-lutidine, 2,6lut) and 2,4,6-trimethylpyridine (2,4,6-collidine, 2,4,6col) having general formulae [AuLCl(3)], trans-[PdL(2)Cl(2)] and trans-/cis-[PtL(2)Cl(2)] were performed and the respective
Hiromichi Fujioka et al.
Chemistry, an Asian journal, 7(2), 367-373 (2011-12-14)
Mild substitution reactions of acetals with carbon nucleophiles via the pyridinium-type salts generated by the treatment of acetals with TESOTf-2,4,6-collidine or 2,2'-bipyridyl have been developed. Various carbon nucleophiles, such as organocuprates, silyl enol ethers, enamines, etc., reacted with the pyridinium-type

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