N2
28.014 g/mol
Industrial ChemicalWarning
Nitrogen
CAS7727-37-9EC231-783-9
Category
Industrial Chemical
Compound Class
n.a
Primary Use
Inert purge gas and protective gas
Nitrogen is a chemical element that exists as a diatomic gas under standard conditions. It is widely used as an inert purge gas and protective atmosphere in various industries, including food packaging, chemical processing, and metallurgy, due to its non-reactive nature.
Inert purge gas for food packagingProtective atmosphere in chemical processingProtective gas in metallurgical operations
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Barium sulfate
CAS7727-43-7
X-ray contrast agent and industrial filler
ReferenceSame Category
Ammonium persulfate
CAS7727-54-0
Bleaching agent and oxidizer
ReferenceSame Category
Pentafluorobenzonitrile
CAS773-82-0
Chemical intermediate for synthesis
ReferenceSame Category
4-METHYLCYCLOHEXANOL
CAS7731-28-4
Solvent and lubricant antioxidant
Safety Reference
Warning
H280Contains gas under pressure; may explode if heated
H281Contains refrigerated gas; may cause cryogenic burns or injury
H304May be fatal if swallowed and enters airways
H401Toxic to aquatic life
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Nitrogen (CAS 7727-37-9) is 2804.30.
HS code (international, 6-digit)
2804.30
EU CN code (8-digit)
2804 30 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
molecular nitrogen
InChIKey
IJGRMHOSHXDMSA-UHFFFAOYSA-N
SMILES
N#N
Synonyms (38)
- E-941
- N
- N2
- Azote [French]
- Diatomic nitrogen
- Diazyne
- Dinitrogen
- INS NO.941
- Liquid Nitrogen
- MOL Nitrogen
- Molecular nitrogen
- N in Stainless steel
- N in Steel
- N#N
- NITROGEN Compressed, NF
- NITROGEN [MART.]
- Nitrogen
- Nitrogen (JP18/NF)
- Nitrogen (liquified)
- Nitrogen (n2)
- Nitrogen Compressed
- Nitrogen Nf
- Nitrogen Standard 0.1% W/W
- Nitrogen gas
- Nitrogen, Messer(R) CANGas
- Nitrogen, Refrigerated
- Nitrogen, elemental
- Nitrogen, liquid
- Nitrogen-14
- Nitrogeno
- Nitrogeno [Spanish]
- STEEL, N
- nitrogen molecule
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