High Purity Nitrogen Supplier 99.9999% China N2 Gas

Specifications

CAS No.: 7727-37-9
UN No.: 1066
EINECS No.: 231-783-9
Molecular Weight: 28.01 g/mol
Appearance: Colorless
Melting Point: -209.86 ℃
Boiling Point: -196℃
Density: 1.25kg/m³
Hazard Class (DOT): 2.2 & 8
Label: Non-flammable Gas

High-purity nitrogen (N₂) gas supplied from China for industrial processing, electronics manufacturing, and food preservation.

High-purity nitrogen (N₂) for inerting and blanketing, chemical blanketing, electronics manufacturing, and food packaging.

Nitrogen is a colorless, odorless, tasteless, and non-toxic inert gas. As the most abundant gas in the Earth’s atmosphere, it is slightly soluble in water, alcohol, and ether. In its normal state, nitrogen is chemically inactive and does not easily react with other substances. It is non-flammable and a poor conductor of heat and electricity. While generally inert, it can combine with particularly reactive metals such as lithium and magnesium to form nitrides, and with hydrogen, oxygen, and other elements at high temperatures. Nitrogen serves as a versatile industrial gas, widely used for inerting and blanketing to prevent oxidation, as a purge gas in chemical processing, in electronics manufacturing as a carrier and purge gas, for cryogenic freezing and cooling in food processing, and for modified atmosphere packaging to extend food shelf life. It is typically transported as a liquefied compressed gas or in high-pressure cylinders.

Global Shipping & Export Compliance

Nitrogen (UN 1066) is classified as a non-flammable compressed gas and must be handled under strict hazardous materials regulations.

Sea freight (FCL / LCL) – standard export method
Air freight – available with regulatory compliance

Required Export Documents

Material Safety Data Sheet (MSDS)
Certificate of Analysis (COA)
Dangerous Goods Declaration (DGD)
UN-certified cylinder documentation
Commercial invoice & packing list

How to Order Nitrogen Gas from China

Send technical requirements (purity, cylinder specification, application)
Receive quotation (EXW / FOB / CIF options)
Confirm cylinder specification & compliance
Review COA, MSDS, and certification documents
Production, filling, and quality inspection
Hazardous goods shipping arrangement
Delivery and final inspection at destination

Common Mistakes When Buying Nitrogen Gas

Choosing suppliers only based on lowest price
Ignoring cylinder certification and pressure rating
Not verifying moisture and impurity levels
Skipping third-party inspection before shipment
Overlooking export documentation compliance
Not specifying the required purity for sensitive applications

Nitrogen is a colorless, odorless, tasteless, non-toxic inert gas, slightly soluble in water, alcohol and ether. The chemical properties of nitrogen are not active, and it is very inert in its normal state. It is not easy to react with other substances. Nitrogen is not flammable. It combines with some particularly reactive metals, such as lithium and magnesium, to form nitrides. It also combines with hydrogen, oxygen and other elements at high temperatures. Slightly soluble in water and most other liquids, it is a poor conductor of heat and electricity.

Packaging