The 5-Ethyl-alpha-picoline, with its cas register number 104-90-5, has its IUPAC name of 5-ethyl-2-methylpyridine. This chemical is practically insoluble in water, hygroscopic, combustible and incompatible with strong oxidizing agents. Besides, its product categories are various, such as pyridines derivates. This is commonly used in the pharmaceutical industry,especially for the preparation of nicotinic acid, nicotinamide, isoniazid, and so on.

The characteristics of 5-Ethyl-2-methylpyridine are as following:
 (1)XLogP3-AA: 2; (2)H-Bond Donor: 0; (3)H-Bond Acceptor: 1; (4)Rotatable Bond Count: 1; (5)Exact Mass: 121.089149; (6)MonoIsotopic Mass: 121.089149; (7)Topological Polar Surface Area: 12.9; (8)Heavy Atom Count: 9; (9)Complexity: 80.6; (10)Covalently-Bonded Unit Count: 1.

Production method of 5-Ethyl-2-methylpyridine:
5-Ethyl-2-methylpyridine can be prepared by 5-ethyl-2-methyl-pyridine-1-oxide. This reaction will need reagent (C2H5)3N*SO2 and solvent dioxane. The reaction time is 2.5 hours with reaction temperature of 85 ℃, and other condition is heating.


Uses of 5-Ethyl-alpha-picoline:
5-Ethyl-alpha-picoline could react with benzene-1,2-diamine to produce 2-(5-ethyl-pyridin-2-yl)-1H-benzoimidazole. The reaction condition is below: reagent: S; reaction time: 7 hours; reaction temp.: 160 ℃; field: 50%.

Safety information of 5-Ethyl-2-methylpyridine:
When you are dealing with this chemical, you should be very cautious. This is a kind of corrosive chemical, and it may destroy living tissue on contact. If by inhalation, in contact with skin or if swallowed, it will cause damage to our health. Besides, it is dangerous for the environment. As it may present an immediate or delayed danger to one or more components of the environment, and then it could cause damage to aquatic organisms and has long-term adverse effects in the aquatic environment. So you should take the following instructions while using. The first important thing is to wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. Besides, in case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Then remember to avoid releasing to the environment and then refer to special instructions/safety data sheet. You could aslo go to WGK Germany  3 for more safety information.

Additionally, you could obtain the molecular structure through converting the following datas:
(1)Canonical SMILES: CCC1=CN=C(C=C1)C
(2)InChI: InChI=1S/C8H11N/c1-3-8-5-4-7(2)9-6-8/h4-6H,3H2,1-2H3 
(3)InChIKey: NTSLROIKFLNUIJ-UHFFFAOYSA-N