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Merck

27690

Sigma-Aldrich

2,4,6-Trimethylpyridine

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

Sinónimos:

2,4,6-Collidine, sym-Collidine

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About This Item

Fórmula empírica (notación de Hill):
C8H11N
Número de CAS:
Peso molecular:
121.18
Beilstein/REAXYS Number:
107283
EC Number:
MDL number:
UNSPSC Code:
12352100
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

signalword

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

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

131.0 °F - closed cup

flash_point_c

55 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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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)
J L Tomsig et al.
Histochemistry, 87(1), 21-25 (1987-01-01)
Rat pineal nerve endings contain a population of small and of large synaptic vesicles that are either electron lucent or have electron-dense cores. It has been reported that their osmiophilia is eliminated when collidine buffer is used in the fixation
Christa A Currie et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 824(1-2), 201-205 (2005-08-09)
Microchip capillary electrophoresis (CE), coupled with indirect fluorescence detection was investigated for estimating the pK(a) values of non-fluorescent compounds. The CE method is based on the differences in electrophoretic mobility of the analyte as a function of the pH of
zeta-Collidine as a basis for buffering fixatives.
H S BENNETT et al.
The Journal of biophysical and biochemical cytology, 6(1), 113-114 (1959-08-01)

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