Nitrogen
Nitrogen (CAS 7727-37-9, N2) is a colourless, odourless, diatomic gas that constitutes approximately 78% of Earth's atmosphere. With a molecular weight of 28.01 g/mol, it is an inert gas widely utilised across numerous industrial and scientific sectors. Its applications span chemical synthesis, electronics manufacturing, and materials science, owing to its non-reactive nature at ambient conditions. Nitrogen is essential for various processes requiring an inert atmosphere or as a cryogenic fluid.
Chemical Synthesis
Nitrogen gas is frequently employed as an inert atmosphere to prevent unwanted side reactions or degradation of sensitive reagents and products during chemical synthesis processes. It is crucial for maintaining controlled reaction environments, especially in organometallic chemistry and polymerisation.
Electronics Manufacturing
In the microelectronics industry, high-purity nitrogen serves as a vital inerting agent. It is used in processes such as semiconductor fabrication, soldering, and annealing to prevent oxidation and contamination, ensuring the integrity and performance of electronic components.
Materials Science
Nitrogen finds applications in materials science for creating specialised atmospheres during material processing and testing. It can be used in furnace atmospheres for heat treatments, as well as in the synthesis of advanced materials where inert conditions are paramount.
Specialty Gas Applications
As a specialty gas, nitrogen is used in calibration mixtures for analytical instrumentation and as a carrier gas in chromatography. Its predictable inertness makes it suitable for precise scientific measurements and laboratory procedures.
| Molecular weight | 28.01 |
|---|---|
| Empirical formula | N2 |
| Assay | ≥99.998% |
| Boiling point | −196 °C(lit.) |
| Vapour density | 0.97 (vs air) |
| Impurities tested | ≤3 ppm water≤5 ppm oxygen |
| Melting point | −210 °C(lit.) |
Hazard statements
- H280Contains gas under pressure; may explode if heated
Precautionary statements
- P410Protect from sunlight
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 1066 2.2 |
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Nitrogen primarily used for?
+
Nitrogen (N2) is primarily used as an inert atmosphere in chemical synthesis, electronics manufacturing, materials science, and as a specialty gas in various analytical and industrial processes. It is also utilised for its cryogenic properties.
What is the CAS number and formula for Nitrogen?
+
The CAS number for Nitrogen is 7727-37-9, and its chemical formula is N2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Nitrogen with an assay of ≥99.998%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade. Impurities include ≤3 ppm water and ≤5 ppm oxygen.
What are the safety concerns when handling Nitrogen?
+
Nitrogen is supplied under pressure and carries the GHS hazard statement H280 ('Contains gas under pressure; may explode if heated'). It also presents an asphyxiation hazard in confined spaces. Appropriate personal protective equipment, including eyeshields and gloves, and adequate ventilation are essential. Handle with care to avoid rupture of the container.
How is Nitrogen packed and shipped by TSS?
+
Nitrogen is supplied in pressurised cylinders, adhering to transportation regulations (UN 1066 2.2). Tech Serve Solutions ensures compliance with all export and shipping requirements for chemical substances.
How can I request a sample or quote for Nitrogen?
+
To request a sample or a quotation for Nitrogen, please use the contact form on our website or call our sales team, providing your specific requirements and delivery details.
▶ Related products
(11-Mercaptoundecyl)-N,N,N-trimethylammonium bromide
Micro / NanoElectronics
(11-Mercaptoundecyl)hexa(ethylene glycol)
C23H48O7S
Micro / NanoElectronics
(12-Phosphonododecyl)phosphonic acid
C12H28O6P2
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptyl)oxirane
C9H5F13O
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononyl)oxirane
C11H5F17O
Micro / NanoElectronics
(3-Chloropropyl)dimethoxymethylsilane
Cl(CH2)3Si(OCH3)2CH3
Micro / NanoElectronics
(3-Chloropropyl)trimethoxysilane
Cl(CH2)3Si(OCH3)3
Micro / NanoElectronics
(4-Bromophenyl)diphenylsulfonium triflate
C19H14BrF3O3S2
Micro / NanoElectronics▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis