Skip to Content
Merck
All Photos(1)

Key Documents

More Documents

123250

Sigma-Aldrich

4-Antipyrinecarboxaldehyde

97%

Synonym(s):

2,3-Dimethyl-5-oxo-1-phenyl-3-pyrazoline-4-carboxaldehyde, Antipyraldehyde

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C12H12N2O2
CAS Number:
950-81-2
Molecular Weight:
216.24
EC Number:
213-452-0
MDL number:
MFCD00003144
UNSPSC Code:
12352100
PubChem Substance ID:
24847531
NACRES:
NA.22

Quality Level

200

Assay

97%

mp

162-165 °C (lit.)

SMILES string

[H]C(=O)C1=C(C)N(C)N(c2ccccc2)C1=O

InChI

1S/C12H12N2O2/c1-9-11(8-15)12(16)14(13(9)2)10-6-4-3-5-7-10/h3-8H,1-2H3

InChI key

QFYZFYDOEJZMDX-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

4-Antipyrinecarboxaldehyde undergoes condensation with 4′-aminobenzo-15-crown-5- to yield functionalized crown ether.

Application

4-Antipyrinecarboxaldehyde was used in the synthesis of a new crown ether-antipyrine schiffs base.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

Preparation and spectroscopic characterization of iron (II) and copper (II) complexes of a functionalized crown ether.
Hayvali Z.
Transition Metal Chemistry, 34(1), 97-101 (2009)
Ashraf S Hassan et al.
Molecules (Basel, Switzerland), 25(11) (2020-06-06)
A series of Bis-pyrazole Schiff bases (6a-d and 7a-d) and mono-pyrazole Schiff bases (8a-d and 9a-d) were designed and synthesized through the reaction of 5-aminopyrazoles 1a-d with aldehydes 2-5 using mild reaction condition with a good yield percentage. The chemical

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