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100 ML
¥1,410.01
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100 ML
¥1,410.01
500 ML
¥1,908.50
1 L
¥3,116.90
2.5 L
¥3,457.40
About This Item
Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
Beilstein:
103233
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.07
grade:
ACS reagent
bp:
115 °C (lit.)
vapor pressure:
10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)
20 mmHg ( 25 °C)
Recommended Products
grade
ACS reagent
Quality Level
vapor density
2.72 (vs air)
vapor pressure
10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)
Assay
≥99.0%
form
liquid
autoignition temp.
899 °F
expl. lim.
12.4 %
dilution
(for analytical testing)
impurities
Reducing substances, passes test
≤0.002% NH3
0.1% water
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General description
Pyridine (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,[1] pyridine alkaloids,[2] pyridine-based polymers[3] and pyridine-containing macrocycles.[4] It has wide application as a solvent, catalyst and as an intermediate for synthesis.[5] IR, Raman and UV spectra of pyridine has been analyzed and the values obtained were used to calculate its thermodynamic properties.[6] Photodegradation[7] and bacterial degradation of Pyr has been studied.[8]
Application
Packaging
Signal Word
Danger
Hazard Statements
Precautionary Statements
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 Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
68.0 °F - closed cup
Flash Point(C)
20 °C - closed cup
Regulatory Information
危险化学品
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Cyclostellettamines AF, pyridine alkaloids which inhibit binding of methyl quinuclidinyl benzilate (QNB) to muscarinic acetylcholine receptors, from the marine sponge, Stelletta maxima.
Fusetani N, et al.
Tetrahedron Letters, 35(23), 3967-3970 (1994)
The thermal decomposition of metal complexes-III: The decomposition of some pyridine and substituted-pyridine complexes of cobalt (II) halides.
Allan JR, et al.
J. Inorg. Nucl. Chem., 26(11), 1895-1902 (1964)
The vibrational spectrum of pyridine and the thermodynamic properties of pyridine vapors.
Kline Jr CH and Turkevich J.
J. Chem. Phys. , 12(7), 300-309 (1944)
Bacterial degradation of pyridine, indole, quinoline, and their derivatives under different redox conditions.
Fetzner, S.
Applied Microbiology and Biotechnology, 49(3), 237-250 (1998)
Pyridine coenzymes of subcellular tissue fractions.
Jacobson KB and Kaplan NO.
The Journal of Biological Chemistry, 226(2), 603-613 (1957)
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