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MilliporeSigma

236276

Sigma-Aldrich

3-Methylpyridine

≥99.5%

Synonym(s):

3-Picoline, 3-Methylpyridine

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50 ML
$93.80

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Estimated to ship onDecember 13, 2025fromMILWAUKEE

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About This Item

Empirical Formula (Hill Notation):
C6H7N
CAS Number:
108-99-6
Molecular Weight:
93.13
Beilstein/REAXYS Number:
1366
EC Number:
203-636-9
MDL number:
MFCD00006402
UNSPSC Code:
12352100
PubChem Substance ID:
24854159
NACRES:
NA.22

Key Documents

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vapor density

3.2 (vs air)

Quality Level

200

vapor pressure

4.4 mmHg ( 20 °C)

assay

≥99.5%

form

liquid

autoignition temp.

~1000 °F

refractive index

n20/D 1.504 (lit.)

bp

144 °C (lit.)

mp

−19 °C (lit.)

solubility

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

density

0.957 g/mL at 25 °C (lit.)

SMILES string

Cc1cccnc1

InChI

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

InChI key

ITQTTZVARXURQS-UHFFFAOYSA-N

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1 of 4

This Item
P42053PX1130W339407
3-Methylpyridine ≥99.5%

Sigma-Aldrich

236276

3-Methylpyridine

3-Methylpyridine 99%

Sigma-Aldrich

P42053

3-Methylpyridine

3-Picoline

Sigma-Aldrich

PX1130

3-Picoline

3-Ethylpyridine ≥98%, FG

Sigma-Aldrich

W339407

3-Ethylpyridine

assay

≥99.5%

assay

99%

assay

≥98% (GC)

assay

≥98%

solubility

alcohol: miscible(lit.), water: miscible(lit.), diethyl ether: miscible(lit.)

solubility

-

solubility

-

solubility

-

Quality Level

200

Quality Level

300

Quality Level

300

Quality Level

400

form

liquid

form

-

form

liquid

form

-

refractive index

n20/D 1.504 (lit.)

refractive index

n20/D 1.504 (lit.)

refractive index

-

refractive index

n20/D 1.502 (lit.)

mp

−19 °C (lit.)

mp

−19 °C (lit.)

mp

-18 °C

mp

-

General description

Electrochemical oxidation of 3-methylpyridine (3-MP) at synthetic boron-doped diamond (BDD) thin film electrode has been investigated by cyclic voltammetry and bulk electrolysis[1]. 3-Methylpyridine forms adduct with 2,6-dichloro-4-nitrophenol and the structure of adduct has been determined by X-ray diffraction[2].

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

98.6 °F - closed cup

flash_point_c

37 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW4593
MKCS8269
MKCP8739
MKCL0668
MKCJ0024

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Structure and spectroscopic behaviour of the solid adduct of 3-methylpyridine with 2, 6-dichloro-4-nitrophenol.
Majerz I, et al.
Journal of Molecular Structure, 297, 177-184 (1993)
Wenzhen Yu et al.
Molecular vision, 19, 1397-1405 (2013-07-05)
Pathological retinal angiogenesis is a major cause of vision loss. Semaphorin 3A (Sema3A), a chemorepellent guidance protein, plays crucial roles in neural and vascular patterning. To identify its role in retinal neovascularization, we investigated its antiangiogenic effects. Human umbilical vein
Li Li Sun et al.
Journal of reproduction & infertility, 12(3), 215-220 (2011-07-01)
HLA-G is a major histocompatibility complex (MHC), class Ib molecule that is selectively expressed at the fetal-maternal interface. It is thought to play a role in protecting the fetus from the maternal immune response. Interestingly, the preimplantation embryo development (Ped)
Marco Panizza et al.
Annali di chimica, 92(10), 995-1006 (2002-12-20)
The electrochemical behaviour of a synthetic boron-doped diamond thin film electrode (BDD) has been studied in acid media containing phenol using cyclic voltammetry and bulk electrolysis. The results have shown that in the potential region of water stability direct electron
Nathan Moore et al.
Stem cells and development, 21(10), 1822-1830 (2011-10-07)
Tumor recurrence after chemotherapy is a major cause of patient morbidity and mortality. Recurrences are thought to be secondary to small subsets of cancer cells that are better able to survive traditional forms of chemotherapy and thus drive tumor regrowth.
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