1.07462
Pyridine
EMPLURA®
Synonym(s):
Pyridine, Azine, Azabenzene
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About This Item
Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
UNSPSC Code:
12191501
EC Index Number:
203-809-9
NACRES:
NB.21
MDL number:
Assay:
≥99% (GC)
Bp:
115 °C/1013 hPa
Vapor pressure:
26.7 hPa ( 25 °C)
vapor pressure
26.7 hPa ( 25 °C)
Quality Segment
product line
EMPLURA®
assay
≥99% (GC)
form
liquid
autoignition temp.
482 °C
potency
891 mg/kg LD50, oral (Rat), 1121 mg/kg LD50, skin (Rabbit)
dilution
(low-cost alternative, for basic applications)
impurities
≤0.1% Water
evapn. residue
≤0.01%
pH
8.81 (20 °C in H2O)
bp
115 °C/1013 hPa
mp
-42 °C
transition temp
flash point 17 °C
solubility
soluble 1000 g/L
density
0.982 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
n1ccccc1
InChI
1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key
JUJWROOIHBZHMG-UHFFFAOYSA-N
General description
Pyridine EMPLURA® grade product) is a heterocyclic compound that is used as a solvent for basic lab work and production applications. It offers adequate specifications with the most common parameters and is available in small pack sizes as well as in bulk quantities.
Application
- Stripping voltammetric determination of pyridine-2-aldoxime methochloride at the iron(III) doped zeolite modified glassy carbon electrode.: Demonstrates the use of pyridine-based compounds for enhancing the electrochemical detection of chemical agents, showcasing its application in toxicology and chemical analysis (Mehretie et al., 2012).
- Forensic analysis of anthraquinone, azo, and metal complex acid dyes from nylon fibers by micro-extraction and capillary electrophoresis.: Pyridine is used in the development of analytical methods for forensic applications, illustrating its role in advanced materials characterization and crime scene analysis (Stefan et al., 2009).
Analysis Note
Purity (GC): ≥ 99.0 %
Identity (IR): conforms
Density (d 20 °C/ 4 °C): 0.982 - 0.984
Evaporation residue: ≤ 0.01 %
Water: ≤ 0.1 %
Identity (IR): conforms
Density (d 20 °C/ 4 °C): 0.982 - 0.984
Evaporation residue: ≤ 0.01 %
Water: ≤ 0.1 %
Legal Information
EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany
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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
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