pyridine (C5H5N)
pyridine (C5H5N)
Pyridine is a colorless liquid with a strong, unpleasant fishy odor.
Pyridine is widely used as a solvent in the chemical industry, particularly in organic synthesis. It is also used in the production of drugs, dyes, pesticides and rubber.
Common synonyms: Azabenzene, Azine
Properties of pyridine (C5H5N):
- Reactivity: Pyridine is a flammable compound and can react violently with oxidizing agents. It can form halogenated derivatives when reacting with alkyl chlorides.
- Boiling point: Pyridine has a boiling point of 115.2°C.
- Melting point: Pyridine has a melting point of -41.6°C.
- Solubility: Pyridine is soluble in water and in many organic solvents such as ethanol and ether.
- Health risks: Pyridine is toxic to humans, and can cause skin irritation and respiratory problems if inhaled. It is also classified as a possible human carcinogen.
- Protection and prevention: wear suitable personal protective equipment, handle in a well-ventilated area, avoid contact with skin, eyes and clothing, do not inhale vapours, do not ingest
| Formula | C5H5N |
| International name | pyridine |
| French name | Pyridine |
| CAS | 110-86-1 |
| EINECS | 203-809-9 |
| Filter | A-P3 |
| IP (eV) | 9,27 |
| Vapour density (air = 1) | 2,73 |
| Conversion (1 ppm =) | 3.2 mg/m3 |
| LIE | 1.8 % |
| LSE | 12.4 % |
| VLEP CT (15mn) | 10 ppm |
| VLEP (8h) | 5 ppm |
| STEL (15 min.) | |
| TWA (8h) | 1 ppm |
Gas detectors for pyridine (C5H5N)
Only a pyridine (C5H5N) gas detector can accurately measure the concentrations of this explosive gas, so we'll be moving towards pyridine (C5H5N) detection in explosivity with measurement as a percentage of LEL (explosimeter).
Ventis® MX4 Portable 4-gas detector, 4 year warranty
X-am 2500 Portable 4-gas detector
BM25 Gas detection monitor
Radius® BZ1 Area monitor
SensePoint Fixed gas detector
OLCT100 Fixed Gas Detector
SensePoint XCD ATEX gas detector with display
Digital gas transmitter ATEX KwikSense
Gas mask for pyridine (C5H5N)
To protect yourself from of pyridine (C5H5N), a full-face mask with a combined filter suitable for organic and inorganic gases and vapors, acid gases, ammonia and its derivatives, is recommended for short-term interventions. For longer assignments, it is preferable to opt for a device with assisted ventilation, offering greater comfort.
TR 2002 Full face respirator
X-plore 5500 Full face mask
X-plore 6300 Full face respirator
TR82 EPDM Anti-scratch and anti-solvent gas mask
CleanSpace Pro Powered air purifying mask
ATEX CleanSpace Ex PAPR mask
Powered air purifying respirator Proflow 2
X-plore 8000 Powered air purifying device
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