2,4,6-Trimethylpyridine

2,4,6-Trimethylpyridine
Names
	Preferred IUPAC name 2,4,6-Trimethylpyridine
Identifiers
CAS Number	108-75-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:189131;
ChEMBL	ChEMBL1209580;
ECHA InfoCard	100.003.286
EC Number	203-613-3;
PubChem CID	7953;
UNII	7IE4BK5J5V ;
UN number	1993 (COLLIDINE)
CompTox Dashboard (EPA)	DTXSID1051561 ;
	InChI InChI=1S/C8H11N/c1-6-4-7(2)9-8(3)5-6/h4-5H,1-3H3 Key: BWZVCCNYKMEVEX-UHFFFAOYSA-N;
	SMILES CC1=CC(=NC(=C1)C)C;
Properties
Chemical formula	C8H11N
Molar mass	121.18 g·mol−1
Appearance	colourless liquid with pyridine-like smell
Melting point	-44,5 °C
Boiling point	171–172 °C
Solubility in water	35 g·l−1 (20 °C)
Vapor pressure	4 hPa (20 °C)
Acidity (pKa)	7.43 (25 °C)
Hazards
	GHS labelling:[1]
Pictograms
Signal word	Danger
Hazard statements	H226, H302, H311, H312, H315, H319, H332, H335
Precautionary statements	P210, P233, P240, P241, P242, P243, P261, P262, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2,4,6-Trimethylpyridine (2,4,6-collidine) is an organic compound which belongs to the heterocycles (more precisely, heteroaromatics). It consists of a pyridine ring substituted with three methyl groups. It belongs to the substance group of the collidines, a group of six constitutional isomers. 2,4,6-trimethylpyridine is the most well-known isomer of this group.