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Nitrogen N2 Structure

Nitrogen N2

Chemical Properties

Melting point −210 °C(lit.)
Boiling point −196 °C(lit.)
Density  1.2506
vapor density  0.97 (vs air)
solubility  At 20 °C and at a pressure of 101 kPa, 1 volume dissolves in about 62 volumes of water and about 10 volumes of ethanol (96 per cent).
form  colorless gas
color  colorless
Odor odorless, tasteless
Water Solubility  slightly soluble H2O; insoluble alcohol [HAW93]
Merck  13,6634
Dielectric constant 1.0(20℃)
CAS DataBase Reference 7727-37-9(CAS DataBase Reference)
FDA 21 CFR 184.1540; 582.1540
Substances Added to Food (formerly EAFUS) NITROGEN
EWG's Food Scores 1
FDA UNII N762921K75
ATC code V03AN04
NIST Chemistry Reference Nitrogen(7727-37-9)
EPA Substance Registry System Nitrogen (7727-37-9)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H280
Precautionary statements P410+P403
Safety Statements  38
RIDADR  UN 1066 2.2
WGK Germany  -
RTECS  QW9700000
4.5-31
DOT Classification 2.2 (Nonflammable gas)
HazardClass  2.2
Hazardous Substances Data 7727-37-9(Hazardous Substances Data)
NFPA 704:
0
3 0
OX

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