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27690

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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1 of 4

This Item
1423872861233120
2,4,6-Trimethylpyridine puriss. p.a., 99% (GC)

27690

2,4,6-Trimethylpyridine

-
2,4,6-Trimethylpyridine ReagentPlus®, 99%

142387

2,4,6-Trimethylpyridine

-
N,N-Dimethylformamide puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.8% (GC)

33120

N,N-Dimethylformamide

Essential Grade
Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

refractive index

n20/D 1.498 (lit.)

refractive index

n20/D 1.498 (lit.)

refractive index

-

refractive index

n20/D 1.4290-1.4310, n20/D 1.430 (lit.)

mp

−43 °C (lit.)

mp

−43 °C (lit.)

mp

-

mp

−61 °C (lit.)

density

0.917 g/mL at 25 °C (lit.)

density

0.917 g/mL at 25 °C (lit.)

density

0.895 g/mL at 20 °C (lit.)

density

0.948-0.950 g/mL at 20 °C, 0.944 g/mL (lit.)

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

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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)
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
Sumanta Bhattacharya et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 58(12), 2563-2569 (2002-10-25)
[60]fullerene has been shown to form 1:1 molecular complexes with pyridine and some methylated pyridines such as 2-picoline, 3-picoline, 4-picoline, 2,6-lutidine and 2,4,6-collidine in CCl4 medium by absorption spectrometric method. Well defined charge transfer (CT) bands have been observed for
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
W G Dauben et al.
Carbohydrate research, 203(1), 47-56 (1990-08-01)
The yields of disaccharide glycosylation products in tetramethylammonium bromide or silver triflate-collidine activated reactions between hindered alcohols and glycosyl halides were not greatly ++affected when a pressure of 15 kbar was applied. The formation of orthoester products was greatly increased

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