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131490

Sigma-Aldrich

4-Methylpyridine

98%

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:
24848019
NACRES:
NA.22

vapor density

3.2 (vs air)

Quality Level

200

vapor pressure

4 mmHg ( 20 °C)

Assay

98%

form

liquid

autoignition temp.

1000 °F

refractive index

n20/D 1.504 (lit.)

bp

145 °C (lit.)

mp

2.4 °C (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

4-Methylpyridine is a neutral N-donor ligand.

4-picoline (4-Mepy) forms isostructural complexes with iron and cobalt phthalocyanines.

Application

4-Methylpyridine was used in the preparation of a 1,2-dihydropyridide derivative.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 2 petroleums
Hazardous rank III
Water soluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Michael S Hill et al.
Dalton transactions (Cambridge, England : 2003), 40(46), 12500-12509 (2011-10-12)
Reactions of the β-diketiminato n-butyl magnesium complex, [HC{(Me)CN(2,6-(i)Pr(2)C(6)H(3))}(2)Mg(n)Bu], with a range of substituted pyridines and fused-ring quinolines in the presence of PhSiH(3) has been found to result in dearomatisation of the N-heterocyclic compounds. This reaction is proposed to occur through
Susan M Chemaly et al.
Inorganic chemistry, 52(2), 1077-1083 (2012-12-28)
Equilibrium constants (log K) for substitution of coordinated H(2)O in aquacyanocobyrinic acid heptamethyl ester (aquacyanocobester, ACCbs) and aquacyano-stable yellow cobyrinic acid hexamethyl ester (aquacyano-stable yellow cobester, ACSYCbs), in which oxidation of the C5 carbon of the corrin interrupts the normal
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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