Agrochemical Intermediate Pyridine with CAS 110-89-1
Pyridine (C6H5N) is a six-membered heterocyclic compound containing a nitrogen heteroatom, that is, a compound of benzene molecule - CH = substituted by nitrogen, similar to benzene, has the same electronic structure, but still has aromaticity, so it is also known as nitrogen benzene and nitrogen heterobenzene, at room temperature is a colorless liquid with a special odor, melting point - 41.6 degrees C The boiling point is 115.2 C, forming azeotropic mixture with water and boiling point 92~93 C. (industry uses this property to purify pyridine) with a density of 0.9819g/cm3. Soluble organic solvents, such as water, ethanol and ether, can also be used as solvents.
Pyridine Product details:
English Name: Pyridine
English synonyms: ai3-01240; Azine; cp32; NCI-C55301; Piridina; Pirydyna; Pyridin (1. Modifikation); pyridine carboxylic acid, 2 - (4, 5-dihydro-4-methyl) - 5-oxo-1h-imidazol-2-yl) - 5-methyl
Molecular formula: C5H5N
Molecular weight: 79.1
Melting point -42 degree C
Boiling point 96-98 degree C (lit.)
Density 0.983 g/mL at 20 degree C
Vapor density 2.72 (vs air)
The vapor pressure is 23.8 mm Hg (25 degree C).
Refractive index n20/D 1.509 (lit.)
FEMA 2966 * PYRIDINE
Flash point 68 degree F
Storage conditions Store at RT.
Solubility H2O: in accordance
Acidity factor (pKa) 5.25 (at 25 C)
Some of the pyridine derivatives are important drugs and some are important components of vitamins or enzymes. For example, the amide of pyridine-3-carboxylic acid, nicotinamide, forms an important dinucleotide with adenine (see purine), ribose, and phosphoric acid in coenzyme I. Isoniazid, a derivative of pyridine, is an oral antituberculous drug. 2-methyl5 - vinyl pyridine is an important raw material for synthetic rubber. Pyridine can be obtained from natural coal tar, and can also be made from acetaldehyde and ammonia. In addition to being a solvent, pyridine can also be used in industry as a denaturant, dyeing aids, and starting materials for the synthesis of a series of products, including drugs, disinfectants, dyes, food seasonings, adhesives and so on.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Storage: Store in a tightly closed container. Do not store in glass. Store in a cool, dry area away from incompatible substances.
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