P3776
Pyridine
≥99%
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About This Item
Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
EC Number:
203-809-9
UNSPSC Code:
12352103
MDL number:
Beilstein/REAXYS Number:
103233
vapor density
2.72 (vs air)
vapor pressure
10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)
assay
≥99%
autoignition temp.
899 °F
expl. lim.
12.4 %
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.)
SMILES string
C1=CN=CC=C1
InChI
1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key
JUJWROOIHBZHMG-UHFFFAOYSA-N
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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
68.0 °F - closed cup
flash_point_c
20 °C - closed cup
Regulatory Information
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Direct determination of citric acid in milk with an improved pyridine-acetic anhydride method.
Marier JR and Boulet M.
Journal of Dairy Science, 41(12), 1683-1692 (1958)
Porous monodisperse V2O5 microspheres as cathode materials for lithium-ion batteries.
Wang S, et al.
Journal of Materials Chemistry, 21(17), 6365-6369 (2011)
The far-infrared spectra of metal-halide complexes of pyridine and related ligands.
Clark RJH and Williams CS.
Inorganic Chemistry, 4(3), 350-357 (1965)