kenya chemical is one of the leading Pyridine distributors, manufacturers, exporters, and suppliers in Fujairah, Dubai, Sharjah, Abu Dhabi, Doha, Kuwait, kenya. We are supplied to various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, chemical, Animal feed additive, Food additive, Agrochemical, Fertilizer, pharmaceuticals, water treatment, Minerals, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.
Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom. It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell. Pyridine is colorless, but older or impure samples can appear yellow. The pyridine ring occurs in many important compounds, including agrochemicals, pharmaceuticals, and vitamins.
Applications
Pesticides
The main use of pyridine is as a precursor to the herbicides paraquat and diquat. The first synthesis step of insecticide chlorpyrifos consists of the chlorination of pyridine. Pyridine is also the starting compound for the preparation of pyrithione-based fungicides. Cetylpyridinium and lauryl pyridinium, which can be produced from pyridine with a Zincke reaction, are used as antiseptics in oral and dental care products. Pyridine is easily attacked by alkylating agents to give N-alkyl pyridinium salts. One example is cetylpyridinium chloride.
Solvent
Pyridine is used as a polar, basic, low-reactive solvent, for example in Knoevenagel condensations. It is especially suitable for dehalogenation, where it acts as the base of the elimination reaction and bonds the resulting hydrogen halide to form a pyridinium salt. In esterifications and acylations, pyridine activates the carboxylic acid halides or anhydrides. Even more active in these reactions are the pyridine derivatives 4-dimethyl aminopyridine (DMAP) and 4-(1-pyrrolidinyl) pyridine. Pyridine is also used as a base in condensation reactions.
Pyridine Usages
1. Mainly used as a raw material in the pharmaceutical industry, as a solvent and alcohol denaturant, and also used in the production of rubber, paint, resin and corrosion inhibitor, etc.
2. Used as raw material for extraction and separation of pyridine and its homologs.
3. Used as an organic solvent, analytical reagent, also used in organic synthesis industry, chromatographic analysis, etc.
4. Pyridine is a raw material for herbicides, insecticides, medicine, rubber additives, and textile additives.
5. Solvent, organic synthesis. Verification and determination of antimony, arsenic, aluminum, bismuth, cadmium, cerium, chlorate, chromate, cyanate, chromium, cobalt, copper, cyanide, gold, dichromate, halogen, lanthanum, lead, lithium, manganese, mercury, germanium, nickel, perchlorate, persulfate, platinum, phosphorus, rhenium, praseodymium, silicon, silver, sulfur, thallium, tellurium, thiocyanate, thorium, thiosulfate, titanium, uranium, vanadium, zinc, zirconium. Moisture determination, strain mutagen. Solvent for acylation. catalyst.
Uses of Pyridine C5H5N
The uses of Pyridine are:
In the chemical industries as an important raw material.
As an antiseptic in dental care products.
As a solvent that is suitable for dehalogenation.
In pharmaceuticals.
For antifreeze mixtures as a denaturant.
As a sulfonating agent.
As a reducing agent.
In dyes and paints.
As a disinfectant.
In coordination chemistry as a ligand.
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