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Merck
CN

27692

2,4,6-Trimethylpyridine

≥98.0% (GC)

Synonym(s):

2,4,6-Collidine, sym-Collidine

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About This Item

Empirical Formula (Hill Notation):
C8H11N
CAS Number:
108-75-8
Molecular Weight:
121.18
EC Number:
203-613-3
UNSPSC Code:
12352100
PubChem Substance ID:
329753014
Beilstein/REAXYS Number:
107283
MDL number:
MFCD00006338

Key Documents

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InChI key

BWZVCCNYKMEVEX-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1cc(C)nc(C)c1

assay

≥98.0% (GC)

bp

171-172 °C (lit.)

mp

−43 °C (lit.)

density

0.914 g/mL at 20 °C, 0.917 g/mL at 25 °C (lit.)

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Application

Tissue fixative for electron microscopy.

pictograms

FlameSkull and crossbones
GHS02,GHS06

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

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM4194
BCCK8209
BCCK6948
BCCK6947
BCCK2582

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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, 89(3), 301-306 (1988-01-01)
In previous work of our laboratory it was demonstrated that collidine (2,4,6-trimethylpyridine) abolishes the core osmiophilia and chromaffin reaction from rat pinal gland and vas deferens nerves. This abolition was apparent when tissues were briefly incubated in collidine or when
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
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
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