Pyridine ACS Reagent ≥99.0% 4 Liter Case/4
- CAS Number 110-86-1
- Empirical Formula (Hill Notation) C5H5N
- Molecular Weight 79.10
- Beilstein/REAXYS Number 103233
- EC Number 203-809-9
- MDL number MFCD00011732
- PubChem Substance ID 329755266
| Quality Level | 200 |
| Grade | ACS reagent |
| Vapor Density | 2.72 (vs air) |
| Vapor Pressure |
10 mmHg (13.2°C) 20 mmHg (25°C) |
| Assay | ≥99.0% |
| Autoignition Temperature | 899°F |
| Expl. Lim. | 12.4 % |
| Impurities |
Reducing substances, passes test ≤0.002% NH3 0.1% water |
| Evaporation Residue | ≤0.002% |
| Refractive Index | n20/D 1.509 (lit.) |
| bp | 115°C (lit.) |
| mp | −42°C (lit.) |
| solubility | water: soluble |
| Density | 0.978 g/mL at 25°C (lit.) |
| anion traces |
chloride (Cl-): ≤0.001% sulfate (SO42-): ≤0.001% |
| cation traces | Cu: ≤5 ppm |
General descriptionPyridine (Pyr) is a nitrogen containing six membered heterocyclic compound commonly used as a base. It is a colorless liquid with a fishy odor. Pyridine moiety is present as a major component in a number of compounds like pyridine nucleotides, pyridine alkaloids, pyridine-based polymers and pyridine-containing macrocycles. It has wide application as a solvent, catalyst and as an intermediate for synthesis. IR, Raman and UV spectra of pyridine has been analyzed and the values obtained were used to calculate its thermodynamic properties. Photodegradation and bacterial degradation of Pyr has been studied.
ApplicationPyridine may be used in the synthesis of the following:• complexes with cobalt(II) halides• pyridine-d5, a deuterated form of pyridine• ionic liquid matrices (ILMs)
Safety Information
GHS02, GHS07
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