System: ethyne/helium

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1) ethyne
DECHEMA ID39739
FormulaC2H2
Synonymnarcylen
Synonymethine
Synonymacetylene
InChi-KeyHSFWRNGVRCDJHI-UHFFFAOYSA-N
Registry No.74-86-2
2) helium
DECHEMA ID39927
FormulaHe
SynonymR 704
Synonymhelium-4
Synonymrefrigerant 704
Synonymp-helium
Synonymo-helium
InChi-KeySWQJXJOGLNCZEY-UHFFFAOYSA-N
Registry No.7440-59-7

Available physical property data:

PropertyPhaseNo. of tablesNo. of linesData
critical temperature-14View
diffusion coefficientgas11View