ChemicalBook CAS DataBase List Cyanoacetylene

Cyanoacetylene synthesis

9synthesis methods

Product Name:Cyanoacetylene
CAS Number:1070-71-9
Molecular formula:C3HN
Molecular Weight:51.05

Cyanoacetylene is not commercially available, but can be prepared on a several gram scale by the dehydration of propynamide (propiolamide) with Phosphorus(V) Oxide (eq 1). The reactants are well ground together under nitrogen, and upon subjection of the resulting solid mixture to high temperature treatment, propynenitrile is collected as a distillate in a receiver held at 5 °C.
Cyanoacetylene

7341-96-0 Synthesis

7341-96-0
123 suppliers
$19.00/250mg

1070-71-9
33 suppliers
inquiry

Yield: 85%

Reaction Conditions:

with phosphorus pentaoxide

References:

Melamed, Uri;Feit, Ben-Ami [Journal of Organic Chemistry,1983,vol. 48,# 11,p. 1928 - 1931]

79-05-0 Synthesis

79-05-0
230 suppliers
$6.00/25g

1070-71-9
33 suppliers
inquiry

References

19158-51-1
184 suppliers
$52.00/1 g

994-89-8
158 suppliers
$30.00/1g

1070-71-9
33 suppliers
inquiry

References

543-21-5
52 suppliers
$79.00/5mg

1070-71-9
33 suppliers
inquiry

1071-98-3
6 suppliers
inquiry

References

74-86-2
75 suppliers
inquiry

689-97-4 Synthesis

689-97-4
32 suppliers
inquiry

460-12-8 Synthesis

460-12-8
18 suppliers
inquiry

1070-71-9
33 suppliers
inquiry

71-43-2
719 suppliers
$11.19/25ML

References

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Cyanoacetylene synthesis