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Merck
CN

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)
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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)

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 %

Legal Information

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


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pictograms

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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

危险化学品

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Protocols

A guide to create solvent systems used for the thin-layer chromatography assay of Novabiochem products.





Global Trade Item Number

SKUGTIN
107462250004022536091013
107462100004022536091006
107462602604022536091037
107462919004027269122003