Pyridine, 2,4-dimethyl-

Reported in EPA TSCA Inventory.

The 2,4-Lutidine with cas registry number of 108-47-4 belongs to the categories of Organics; Heterocyclic Compounds; Biochemistry; Reagents for Oligosaccharide Synthesis. Its EINECS registry number is 203-586-8. Its IUPAC name is called 2,4-dimethylpyridine. This chemical is also known as 2,4-Dimethylpyridine; Pyridine, 2,4-dimethyl-. It is sensitive to hygroscopic.

Physical properties about this chemical are: (1)ACD/LogP: 1.65; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.51; (4)ACD/LogD (pH 7.4): 1.58; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 9.01; (7)ACD/KOC (pH 5.5): 13.72; (8)ACD/KOC (pH 7.4): 160.67; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Index of Refraction: 1.501; (13)Molar Refractivity: 33.99 cm³; (14)Molar Volume: 115.2 cm³ ; (15)Surface Tension: 33.2 dyne/cm; (16)Density: 0.93 g/cm³; (17)Flash Point: 37.2 °C; (18)Enthalpy of Vaporization: 38.53 kJ/mol; (19)Boiling Point: 157.5 °C at 760 mmHg; (20)Vapour Pressure: 3.56 mmHg at 25°C; (21)Water solubility 15 g/100 mL (20 °C).

Preparation of 2,4-Lutidine: this chemical can be prepared by pyridine-2,4-dicarboxylic acid diethyl ester using reagents TiO₂, 35 percent aq. H₂SO₄. The reaction temperature is 20 - 30 ℃ and the reaction time is 10 hours.

Uses of 2,4-Lutidine: It is used as a medicine and pesticide intermediate as well as a rubber catalyst and analytical reagent. It is also used as a raw material in organic synthesis. For example, it can used to prepare 2,4-dimethyl-5-nitro-pyridine using reagent N₂O₅ and solvent liquid sulphur dioxide with reaction temperature of -30 ℃. The yield is 5%.

When you are using this chemical, please be cautious about it as the following:
Poison by ingestion. Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x. This chemical is toxic by inhalation, in contact with skin and if swallowed, irritating to eyes, respiratory system and skin and harmful by inhalation and in contact with skin. Wear suitable protective clothing, gloves and eye/face protection during using it. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Or if you feel unwell, seek medical advice immediately (show label where possible). Store it in flammables area. Keep away from sources of ignition - No smoking.

You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C7H9N/c1-6-3-4-8-7(2)5-6/h3-5H,1-2H3;
(2)Smiles: c1c(ccnc1C)C

The toxicity data is as follows: