2,5-Dimethylpyridine

2,5-Dimethylpyridine Basic information

Product Name:	2,5-Dimethylpyridine
Synonyms:	2,5-two Methyl pyridine;2,5-Lutidine 95%;2,5-dimethyl-pyridin;5-methyl-2-methylpyridine;pyridine,2,5-dimethyl-;25L;2,5-LUTIDINE;2,5-DIMETHYLPYRIDINE
CAS:	589-93-5
MF:	C7H9N
MW:	107.15
EINECS:	209-666-9
Product Categories:	Biochemistry;Reagents for Oligosaccharide Synthesis
Mol File:	589-93-5.mol

2,5-Dimethylpyridine Chemical Properties

Melting point	−15 °C(lit.)
Boiling point	157 °C(lit.)
density	0.926 g/mL at 25 °C(lit.)
vapor pressure	2.4 mm Hg ( 20 °C)
refractive index	n20/D 1.499(lit.)
Fp	118 °F
pka	6.4(at 25℃)
form	clear liquid
color	Colorless to Light orange to Yellow
Water Solubility	77g/L(23 ºC)
Sensitive	Hygroscopic
LogP	1.708 (est)
CAS DataBase Reference	589-93-5(CAS DataBase Reference)
NIST Chemistry Reference	Pyridine, 2,5-dimethyl-(589-93-5)
EPA Substance Registry System	2,5-Dimethylpyridine (589-93-5)

Safety Information

Hazard Codes	Xn,F,Xi
Risk Statements	10-20/21/22-36/37/38
Safety Statements	16-26-36/37/39-45
RIDADR	UN 1993 3/PG 3
WGK Germany	3
RTECS	OK9625000
HazardClass	3.2
PackingGroup	III
HS Code	2933399990

MSDS Information

Provider	Language
2,5-Lutidine	English
SigmaAldrich	English

2,5-Dimethylpyridine Usage And Synthesis

Uses	2,5-Lutidine was used to displace CO from the haem iron.
Synthesis Reference(s)	Tetrahedron Letters, 17, p. 383, 1976 DOI: 10.1016/S0040-4039(00)93738-9
General Description	The FT-IR and FT-Raman spectra of 2,5-lutidine was studied.
Purification Methods	Steam distil the lutidine from a solution containing 1-2 equivalents of 20% H2SO4 until about 10% of the base has been carried over with the non-basic impurities, then the acidic solution is made alkaline, and the base is separated, dried with NaOH and fractionally distilled twice. Dry the distillate with Na and fractionally distil it through a Todd column (p 11) packed with glass helices. The hydrochloride has m 219o(dec), and the picrate has m 170.5o (from EtOH or H2O). [Beilstein 20 H 244, 20 II 160, 20 III/IV 2774, 20/6 V 27.]

2,5-Dimethylpyridine Preparation Products And Raw materials

Raw materials	Ethanol-->Hydrochloric acid-->Methanol-->Sodium-->Phosphorus oxychloride-->Potassium carbonate-->Potassium hydroxide-->Nickel-->Diethyl methylmalonate-->3-Amino-2-butenoic acid ethyl ester-->3-acetyldihydro-5-methylfuran-2(3H)-one-->2,5-dimethylpyridine 1-oxide
Preparation Products	5-METHYLPICOLINIC ACID-->3-Ethylpyridine-->2-(ChloroMethyl)-5-Methylpyridine hydrochloride-->(5-methylpyridin-2-yl)methanol-->3,4-Lutidine-->2-Pyridinecarboxylicacid,5-methyl-,methylester(9CI)

6-Methylpyridine-3-carboxylic acid 5,6,7,8-tetrahydro-3-methylquinoline Pyridoxal hydrochloride QUINOXALIN-5-AMINE 2,4-DIMETHYLPYRIDINE(2,4-LUTIDINE) 2,5-PYRIDINEDICARBOXYLIC ACID 4-Pyridoxic acid Pyridoxal 5'-phosphate monohydrate 5-Ethyl-2-methylpyridine Dimethyl sulfoxide 2,5-Dimethylpyridine Pyridoxine a,b-Dimethylpyridine,2,3-DIMETHYLPYRIDINE(2,3-LUTIDINE),2,3-DIMETHYLPYRIDINE 2-Hydroxy-6-methylpyridine-3-carboxylic acid N,N-Dimethylacetamide 6-METHYLNICOTINAMIDE Pyridoxamine dihydrochloride Methyl 6-methylnicotinate

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