422649
4,5-Dichlorophthalonitrile
99%
Synonym(s):
1,2-Dichloro-4,5-dicyanobenzene, 4,5-Dichloro-1,2-benzenedicarbonitrile, 4,5-Dichloro-1,2-dicyanobenzene, 4,5-Dichlorobenzene-1,2-dicarbonitrile, 4,5-Dicyano-1,2-dichlorobenzene
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About This Item
Linear Formula:
Cl2C6H2-1,2-(CN)2
CAS Number:
Molecular Weight:
197.02
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Assay:
99%
Quality Segment
assay
99%
mp
180-184 °C (lit.)
functional group
chloro, nitrile
SMILES string
Clc1cc(C#N)c(cc1Cl)C#N
InChI
1S/C8H2Cl2N2/c9-7-1-5(3-11)6(4-12)2-8(7)10/h1-2H
InChI key
SRIJSZQFAMLVQV-UHFFFAOYSA-N
General description
4,5-Dichlorophthalonitrile (4,5-dichloro-1,2-dicyanobenzene) is a phthalonitrile derivative. It has been synthesized from 4,5-dichloro-1,2-benzenedicarboxamide and characterized by 1H ,13C-NMR and IR. 4,5-dichlorophthalonitrile undergoes base catalyzed nucleophilic aromatic substitution reaction with O-, S- nucleophiles and acidic -CH containing compounds to form corresponding phthalonitrile derivatives, which are the precursors in the synthesis of phthalocyanines.
Application
4,5-Dichlorophthalonitrile is suitable as a reactant in the synthesis of 4,5-bis(3,4-dimethoxyphenyl) phthalonitrile and 4,5-bis(2,6-dimethoxyphenoxy) phthalonitrile. It may be used in the synthesis of 4,5-diphenoxyphthalonitrile.
signalword
Warning
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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