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239615

Sigma-Aldrich

4-Methylpyridine

99%

Synonym(s):

4-Picoline, 4-Methylpyridine

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About This Item

Empirical Formula (Hill Notation):
C6H7N
CAS Number:
108-89-4
Molecular Weight:
93.13
Beilstein:
104586
EC Number:
203-626-4
MDL number:
MFCD00006440
UNSPSC Code:
12352100
PubChem Substance ID:
24854384
NACRES:
NA.22

vapor density

3.2 (vs air)

vapor pressure

4 mmHg ( 20 °C)

Assay

99%

autoignition temp.

1000 °F

refractive index

n20/D 1.504 (lit.)

bp

145 °C (lit.)

mp

2.4 °C (lit.)

solubility

alcohol: soluble(lit.)
diethyl ether: soluble(lit.)
water: soluble(lit.)

density

0.957 g/mL at 25 °C (lit.)

SMILES string

Cc1ccncc1

InChI

1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3

InChI key

FKNQCJSGGFJEIZ-UHFFFAOYSA-N

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General description

The reaction of 4-methylpyridine with naphthyl tosylate, that occurred on the methyl group, was studied.

Application

4-Methylpyridine was used in the synthesis of mercury (II) metallacycle.

Pictograms

FlameSkull and crossbones
GHS02,GHS06

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

102.2 °F - closed cup

Flash Point(C)

39 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBG3385V
12921LE
S27469
08013EZ
06326LN

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Fenglin Dai et al.
Chemical communications (Cambridge, England), 49(41), 4634-4636 (2013-04-12)
We have discovered that phenyl tosylates can be used to arylate pyridines at the C3-position using a Pd(OAc)2-1,10-phenanthroline catalyst system. We also discovered that the reaction of 4-methylpyridine with naphthyl tosylates occurred on the methyl group instead of at the
Bhaskar Nath et al.
Dalton transactions (Cambridge, England : 2003), 41(23), 7115-7126 (2012-05-09)
A series of linear coordination polymers, metallacycles of cadmium(II) and mercury(II) of flexible carboxylic acid ligands, RCH{3-CH(3)-,5-CH(3)-,6-(-OCH(2)CO(2)H)C(6)H(2)}(2), (when R = C(6)H(5), (H(2)L(1)); 2-NO(2)C(6)H(4)- (H(2)L(2)) and 3-NO(2)C(6)H(4)- (H(2)L(3))) are synthesized and characterized. [CdL(1) (py)(3)](n)·3nH(2)O (py = pyridine) is a linear coordination
Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and

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