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M1407

Sigma-Aldrich

Malononitrile

≥99%

Synonym(s):

Dicyanomethane

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About This Item

Linear Formula:
CH2(CN)2
CAS Number:
109-77-3
Molecular Weight:
66.06
Beilstein:
773697
EC Number:
203-703-2
MDL number:
MFCD00001883
UNSPSC Code:
12352100
PubChem Substance ID:
24896644
NACRES:
NA.22

Assay

≥99%

bp

220 °C (lit.)

mp

30-32 °C (lit.)

density

1.049 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

N#CCC#N

InChI

1S/C3H2N2/c4-2-1-3-5/h1H2

InChI key

CUONGYYJJVDODC-UHFFFAOYSA-N

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General description

Malononitrile, a weak cyanocarbon acid, is a versatile compound with exceptional reactivity. This crystalline aliphatic nitrile is used as a building block to synthesize heterocyclic compounds and polymers

Application

Malononitrile may be used in the:
  • base-promoted on-water synthesis of [1,6]-naphthyridines.†
  • synthesis of γ-ketoamides.
  • preparation of heterocyclic privileged medicinal scaffolds involving pyridine, 1,4-dihydropyridine, chromeno[2,3-b]pyridine and dihydro-1,4-dithiepine frameworks.

Packaging

Packaged in glass bottles

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

186.8 °F - closed cup

Flash Point(C)

86 °C - closed cup

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’.

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High-Performance Quinoline-Malononitrile Core as a Building Block for the Diversity-Oriented Synthesis of AIEgens
Z Guo, et al.
Angewandte Chemie (International Edition in English), 59, 9812-9825 (2020)
Enxiang Wei et al.
Organic & biomolecular chemistry, 12(33), 6389-6392 (2014-07-11)
An efficient synthesis of γ-ketoamides was developed by the one-pot multicomponent reaction of chalcones, malononitrile and DMF (as both the reactant and solvent) in the presence of NaOH (3.0 equiv.). The reaction features high atom economy, easily available starting materials
The chemistry of malononitrile.
F Freeman
Chemical reviews, 69(5), 591-624 (1969-10-01)
Bandita Datta et al.
Ultrasonics sonochemistry, 19(4), 725-728 (2012-02-14)
A one-pot three-component condensation of an aldehyde, malononitrile, and resorcinol has been achieved by ultrasound method. The reaction has been catalyzed by glycine in aqueous medium. This protocol afforded corresponding 2-amino-4H-chromenes in shorter reaction times, high yields and simple work-up
Zhishan Su et al.
Organic & biomolecular chemistry, 9(18), 6402-6409 (2011-07-29)
The mechanism of Michael addition of malononitrile to chalcones catalyzed by Cinchona alkaloid aluminium(III) complex has been investigated by DFT and ONIOM methods. Calculations indicate that the reaction proceeds through a dual activation mechanism, in which Al(III) acts as a
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