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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
MDL number:
UNSPSC Code:
12191501
EC Index Number:
203-809-9
NACRES:
NB.21

vapor pressure

26.7 hPa ( 25 °C)

Quality Level

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)

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

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 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

FlameExclamation mark

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

68.0 °F - closed cup

Flash Point(C)

20 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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