Skip to Content
MilliporeSigma
All Photos(1)

Documents

91493

Sigma-Aldrich

1-Methylpyrazole

≥99.0% (GC)

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C4H6N2
CAS Number:
Molecular Weight:
82.10
Beilstein/REAXYS Number:
3933212
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99.0% (GC)

form

liquid

impurities

≤0.5% water

refractive index

n20/D 1.477

density

0.988 g/mL at 20 °C (lit.)

SMILES string

Cn1cccn1

InChI

1S/C4H6N2/c1-6-4-2-3-5-6/h2-4H,1H3

InChI key

UQFQONCQIQEYPJ-UHFFFAOYSA-N

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

96.8 °F - closed cup

flash_point_c

36 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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

Manuel Valenzuela-Valderrama et al.
Photodiagnosis and photodynamic therapy, 30, 101662-101662 (2020-01-17)
Bacteria prevalent in the hospital environment have developed multi-drug resistance (MDR), such as the carbapenemase-producing Klebsiella pneumoniae (KPC+). Photodynamic therapy (PDT), which uses light-activated photosensitizer compounds (PSs), has emerged as an alternative to antibiotics. Cationic-PSs have a better bactericidal effect
Guangbin Li et al.
Chemosphere, 241, 124993-124993 (2019-10-11)
Azoles are emerging contaminants that are resistant to biodegradation during wastewater treatment. Their presence has been widely reported in wastewater effluents and receiving waters. In this work, the potential inhibition of nitrification process by six different azole compounds in wastewater
Yun-Yeol Lee et al.
Journal of separation science, 42(6), 1230-1239 (2019-01-10)
A simple and rapid dispersive liquid-liquid microextraction method coupled with gas chromatography and mass spectrometry was applied for the determination of glyoxal as quinoxaline, methylglyoxal as 2-methylquinoxaline, and diacetyl as 2,3-dimethylquinoxaline in red ginseng products. The performance of the proposed
Jiyoon Cha et al.
Scientific reports, 9(1), 5325-5325 (2019-03-31)
In this study, production of three α-dicarbonyl compounds (α-DCs) including glyoxal (GO), methylglyoxal (MGO), and diacetyl (DA) as well as volatile flavor compounds was analyzed using Maillard reaction (MR) model systems. A total of 16 model systems were assembled using

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