Skip to Content
Merck
All Photos(2)

Documents

270407

Sigma-Aldrich

Pyridine

suitable for HPLC, ≥99.9%

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C5H5N
CAS Number:
Molecular Weight:
79.10
Beilstein:
103233
EC Number:
MDL number:
UNSPSC Code:
12190000
PubChem Substance ID:
NACRES:
NA.07

vapor density

2.72 (vs air)

vapor pressure

10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)

Assay

≥99.9%

form

liquid

autoignition temp.

899 °F

purified by

glass distillation

expl. lim.

12.4 %

technique(s)

HPLC: suitable

impurities

<0.050% water

evapn. residue

<0.0004%

refractive index

n20/D 1.509 (lit.)

pH

8.5 (25 °C, 15.82 g/L)

bp

115 °C (lit.)

mp

−42 °C (lit.)

density

0.978 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 305 nm Amax: 1.00
λ: 315 nm Amax: 0.15
λ: 335 nm Amax: 0.02
λ: 350-400 nm Amax: 0.01

application(s)

food and beverages

SMILES string

C1=CN=CC=C1

InChI

1S/C5H5N/c1-2-4-6-5-3-1/h1-5H

InChI key

JUJWROOIHBZHMG-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application


  • Enhancing Remediation Efficiency of Hyperaccumulators through Earthworm Addition: Explores innovative bioremediation techniques using cadmium, showcasing its utility in enhancing soil detoxification processes, vital for environmental restoration projects (Zhang et al., 2024).



Recommended products

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Nicotine Levels and Presence of Selected Tobacco-Derived Toxins in Tobacco Flavoured Electronic Cigarette Refill Liquids.
Farsalinos KE, et al.
International Journal of Environmental Research and Public Health, 12(4), 3439-3452 (2015)
Daniel A Kirschner et al.
Current Alzheimer research, 5(3), 288-307 (2008-06-10)
Targeting the initial formation of amyloid assemblies is a preferred approach to therapeutic intervention in amyloidoses, which include such diseases as Alzheimer's, Parkinson's, Huntington's, etc., as the early-stage, oligomers that form before the development of beta-conformation-rich fibers are thought to
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)
Allison N Lau et al.
eLife, 9 (2020-07-11)
Tumors are composed of many different cell types including cancer cells, fibroblasts, and immune cells. Dissecting functional metabolic differences between cell types within a mixed population can be challenging due to the rapid turnover of metabolites relative to the time
Gabriela Venturini et al.
American journal of physiology. Cell physiology, 317(2), C326-C338 (2019-05-09)
Atherosclerotic plaque development is closely associated with the hemodynamic forces applied to endothelial cells (ECs). Among these, shear stress (SS) plays a key role in disease development since changes in flow intensity and direction could stimulate an atheroprone or atheroprotective

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service