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Brand:Custchem
Model No:CAS 456-24-6
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-5-nitropyridine Synonyms: 2-FLUORO-5-NITROPYRIDINE;6-FLUORO-3-NITROPYRIDINE;2-Fluoro-5-nitropyridine >;uoro-5-nitropyridine;Pyridine, 2-fluoro-5-nitro-;2-Fluoro-5-nitropyridine ISO 9001:2015 REACH...
Brand:Custchem
Model No:CAS 18605-16-8
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-5-nitro-6-picoline Synonyms:...
Brand:Custchem
Model No:CAS 2369-19-9
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-5-methylpyridine Synonyms:...
Brand:Custchem
Model No:CAS 171197-80-1
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-5-iodopyridine Synonyms:...
Brand:Custchem
Model No:CAS 766-11-0
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-5-bromopyridine Synonyms: 5-BROMO-2-FLUOROPYRIDINE;3-BROMO-6-FLUOROPYRIDINE;2-FLUORO-5-BROMO PYRIDINE;3-fluoro-5-bromopyridine;5-Bromo-2-fluoropyridine,98%;2-FLUORO-5-BORMOPYRIDINE;5-BROMO-2-FLUOROPYRIDINE...
Brand:Custchem
Model No:CAS 29312-98-9
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-5-bromo-3-methylpyridine...
Brand:Custchem
Model No:CAS 461-87-0
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-4-methylpyridine...
Brand:Custchem
Model No:CAS 1480-87-1
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-nitropyridine...
Brand:Custchem
Model No:CAS 1868-58-2
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-bromo-5-nitro pyridine...
Brand:Custchem
Model No:CAS 886372-98-1
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-nitro-5-bromo pyridine Synonyms: 5-BROMO-2-FLUORO-3-NITRO-PYRIDINE;2-FLUORO-3-NITRO-5-BROMO PYRIDINE;5-Bromo-2-fluoro-3-nitropyridine 97%;Pyridine, 5-bromo-2-fluoro-3-nitro- Application:...
Brand:Custchem
Model No:CAS 19346-43-1
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-nitro-4-picoline Synonyms:...
Brand:Custchem
Model No:CAS 2369-18-8
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-methylpyridine...
Brand:Custchem
Model No:CAS 113975-22-7
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-iodopyridine...
Brand:Custchem
Model No:CAS 38185-56-7
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Fluoro-3-chloro-5-bromopyridine...
Brand:Custchem
Model No:CAS 14529-53-4
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Ethoxypyridine Synonyms: SPECS AC-907/25014179;2-ETHOXYPYRIDINE;2-ETHOXY PYRIDINE FEMA NO.--------;2-Ethoxypyridine ,98%;Ai3-60422;Einecs 238-553-7;Pyridine, 2-ethoxy-;2-Ethoxypyridine> Application: 2-Ethoxypyridine...
Brand:Custchem
Model No:CAS 31594-45-3
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Ethoxy-5-nitropyridine...
Brand:Custchem
Model No:CAS 1620-77-5
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Cyano-5-methylpyridine...
Brand:Custchem
Model No:CAS 1620-76-4
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Cyano-4-methylpyridine...
Brand:Custchem
Model No:CAS 51315-07-2
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Cyano-3-nitropyridine Synonyms: 2-CYANO-3-NITROPYRIDINE;3-NITROPYRIDINE-2-CARBONITRILE;3-Nitropicolinonitrile;3-Nitro-2-pyridinecarbonitrile;2-Pyridinecarbonitrile, 3-nitro-;2-Cyano-3-nitropyridine ISO 9001:2015...
Brand:Custchem
Model No:CAS 97509-75-6
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Cyano-3-fluoropyridine...
Brand:Custchem
Model No:CAS 39891-13-9
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Chloropyridine-5-acetic acid...
Brand:Custchem
Model No:CAS 20885-12-5
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Chloro-6-fluoropyridine Synonyms: 2-CHLORO-6-FLUOROPYRIDINE;2-Chloro-6-fluorpyridine;2-Chloro-6-fluorpyridin;Pyridine, 2-chloro-6-fluoro-;2-CHLORO-6-FLUOROPYRIDINE ISO 9001:2015 REACH Application:...
Brand:Custchem
Model No:CAS 39891-09-3
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Chloro-5-pyridineacetonitrile...
Brand:Custchem
Model No:CAS 4548-45-2
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Chloro-5-nitropyridine Synonyms: 2-Chloro-5-nitropyridine;3-Nitro-6-chloropyridine;2-Chloro-5-nitropyridine, 99% 25GR;5-Nitro-2-chloropyridine;6-Chloro-3-nitropyridine;2-Chloro-5-nitropyridine,...
Brand:Custchem
Model No:CAS 23056-40-8
Transportation:Ocean,Air,Express
Packaging:Aluminium foil bag, drum or as require
Supply Ability:Over 600 tons per year
Place of Origin:China
Productivity:Over 600 tons per year
Pharmaceutical Intermediates 2-Chloro-5-methyl-3-nitropyridine...
Pyridine, an organic compound with the chemical formula C5H5N, is a six-membered heterocyclic compound containing a nitrogen heteroatom. It can be regarded as a compound in which one (CH) in the benzene molecule is substituted by N, so it is also called nitrobenzene. It is a colorless or slightly yellow liquid with a stench.
Foreign name: pyridine
Alias: Azabenzene
Chemical formula: C5H5N
Molecular weight: 79.102
CAS login number: 110-86-1
EINECS accession number: 203-809-9
Melting point: -41.6 ℃
Boiling point: 15.3℃
Water soluble: Soluble
Density: 0.983 g/cm³
Exterior: Colorless liquid
Flash point: 20 ℃ (closed)
Application: Used in the manufacture of vitamins, sulfonamides, pesticides and plastics, etc.
Security description: S7; S16; S22; S24/25; S26; S28; S36/37/39; S38; S45; S61
Hazard Symbols: F; Xn
Hazard description: R11; R20/21/22
UN Dangerous Goods Number: 1282
Physical properties:
Melting point: -41.6℃
Boiling point: 115.3℃
Flash point: 20℃
Density: 0.983g/cm3
Ignition temperature: 482℃
Upper explosion limit (V/V): 12.4%
Lower explosion limit (V/V): 1.7%
Critical temperature (℃): 346.85
Critical pressure (MPa): 6.18
Refractive index: 1.509 (20℃)
Appearance: colorless liquid
Solubility: Miscible with water, alcohol, ether, petroleum ether, benzene, oil and other solvents
Chemical properties:
Pyridine and its derivatives are more stable than benzene, and their reactivity is similar to that of nitrobenzene. Typical aromatic electrophilic substitution reactions occur at the 3 and 5 positions, but the reactivity is lower than that of benzene, and nitration, halogenation, sulfonation and other reactions are generally not easy to occur. Pyridine is a weak tertiary amine that can form water-insoluble salts with various acids (picric acid or perchloric acid, etc.) in ethanol solution. The pyridine used in industry contains about 1% of 2-methylpyridine, so it can be separated from its homologues by taking advantage of the difference in salt-forming properties. Pyridine can also form crystalline complexes with various metal ions. Pyridine is easier to reduce than benzene, such as reducing to hexahydropyridine (or piperidine) under the action of metal sodium and ethanol. Pyridine reacts with hydrogen peroxide and is easily oxidized to N-pyridine oxide.
Application
It is used in the manufacture of vitamins, sulfonamides, pesticides and plastics; it can also be used as an alkaline solvent, and it is also an excellent solvent for deacidification and acylation reactions; it can also be used as a carbonyl group for polymerization, oxidation, and acrylonitrile. It can also be used as a catalyst for chemical reactions, etc.; it can also be used as a silicone rubber stabilizer, a raw material for anion exchange membranes, etc.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.