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but-2-ynedinitrile

but-2-ynedinitrile Structure
CAS No.
1071-98-3
Chemical Name:
but-2-ynedinitrile
Synonyms
but-2-ynedinitrile
CBNumber:
CB91508579
Molecular Formula:
C4N2
Molecular Weight:
76.06
MOL File:
1071-98-3.mol
Modify Date:
2025/1/8 14:07:14
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but-2-ynedinitrile Properties

Melting point 20.5°C
Boiling point 76.55°C
Density 0.9708
refractive index 1.4647
form liquid
color clear colorless

but-2-ynedinitrile Chemical Properties,Uses,Production

Uses

Dicyanoacetylene is used for nucleophilic addition; [4 + 2] cycloaddition reactions; metal complexes insertion reactions.

Preparation

The synthetic route of Dicyanoacetylene is shown below:
The synthetic route of Dicyanoacetylene

storage

Dicyanoacetylene can be stored indefinitely at dry-ice temperatures and is handled at rt. It is much more sensitive to the presence of oxygen, a polymerization or condensation reaction probably taking place.

Purification Methods

Dicyanoacetylene purified by simple vacuum sublimation or atmospheric distillation.

but-2-ynedinitrile Preparation Products And Raw materials

Raw materials

Preparation Products

Cyanoacetylene
but-2-ynedinitrile 1071-98-3 C4N2