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CAS 7440-59-7 - Helium

Analyte:  Helium

Abbreviation:  HE

CAS Number or ID:  7440-59-7

Department:  Air

EC Number (EINECS):  7440-59-7

Synonyms:  Helium-4;He;o-Helium;UN 1046;UN 1963

Chemical Formula:  He

Apearance:  colourless gas

Melting Point:  -272 C

Boiling Point:  -268.9 C

Vapor Density:  0.138 (air=1)

Flash Point:  none

Explosion Limits:  n/a

Auto Ignition:  n/a

Stability:  Stable; extremely unreactive.Analytical testing dots

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