P57506-M
Pyridine
reagent grade, ≥99%
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About This Item
Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
UNSPSC Code:
12352005
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-809-9
Beilstein/REAXYS Number:
103233
MDL number:
Assay:
≥99%
Grade:
reagent grade
Vapor pressure:
10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)
grade
reagent grade
vapor pressure
10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)
assay
≥99%
form
liquid
autoignition temp.
899 °F
dilution
(for analytical testing)
impurities
≤0.1% water (Karl Fischer)
refractive index
n20/D 1.509 (lit.)
pH
8.5 (25 °C, 15.82 g/L)
mp
−42 °C (lit.)
application(s)
peptide synthesis
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General description
Pyridine is a basic N-heterocyclic compound. It acts as a nitrogen donor ligand and forms many metal-pyridine complexes. It has wide applications as a solvent, catalyst, and intermediate for synthesis.
Application
- Ligand-Modulated Nuclearity and Geometry in Nickel(II) Hydrazone Complexes: From Mononuclear Complexes to Acetato- and/or Phenoxido-Bridged Clusters.: Research on the use of pyridine and its derivatives to control the nuclearity and coordination geometry in nickel(II) complexes, which is crucial for designing metal-organic frameworks and catalytic sites (Vrdoljak et al., 2023).
- Non-palindromic (C^C^D) gold(III) pincer complexes are not accessible by intramolecular oxidative addition of biphenylenes - an experimental and quantum chemical study.: A study examining the limitations of pyridine-containing ligands in stabilizing reactive gold(III) complexes, providing insights into the electronic properties and stability challenges (Feuerstein & Breher, 2021).
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
62.6 °F - closed cup
flash_point_c
17 °C - closed cup
Regulatory Information
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Biotreatment of waste gas containing pyridine in a biofilter
Pandey RA, et al.},
Bioresource Technology, 98(12), 2258-2267 (2017)
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