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Substance Name: Polyacetylene
RN: 25067-58-7


  • Hydrocarbons with more than one triple bond; or an oxidized form of POLYENES. They can react with SULFUR to form THIOPHENES.

Molecular Formula

  • (C2-H2)x-

Molecular Weight

  • 26.0378
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Names and Synonyms

Name of Substance

  • Polyacetylene

MeSH Heading

  • Polyynes

Systematic Name

  • Ethyne, homopolymer

Registry Numbers

CAS Registry Number

  • 25067-58-7

System Generated Number

  • 0025067587

Molecular Formulas

Molecular Formula

  • (C2-H2)x-

Molecular Formula Fragments

  • C2-H2