Ammonia (7N)

Ammonia, a kind of inorganic substance with chemical formula of NH3 and molecular weight of 17.031, is colorless and has a strong irritating odor.

High-purity ammonia is mainly used in the field of new optoelectronic materials and is an important basic material for the preparation of GAN by MOCVD technology. High-purity ammonia is also the basic material for the preparation of nitrogen trifluoride, silicon nitride, and the raw gas for the production of super high-grade nitrogen. In addition, liquid ammonia is widely used in the semiconductor industry, metallurgical industry, and other industries and scientific research that require a protective atmosphere.

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Process

Ammonia is manufactured by the Haber-Bosch process, consisting of a direct reaction between hydrogen and nitrogen, in the molar proportions 3:1. Ammonia is manufactured by the Haber-Bosch process, consisting of a direct reaction between hydrogen and nitrogen, in the molar proportions 3:1. Industrial ammonia is purified by a filter into the electronic grade ultra-high purity ammonia. The annual output of ultra-high purity ammonia gas in Jinhong is over 10,000 tons.
 
Gas Ammonia
CAS No. 7664-41-7
Purity ≥7N
capacity 44L/47L、Y-cylinder: 440L、T-cylinder: 930L、ISO tank: 22.5Nm3
valve G5/8，CGA580、QF-30，CGA350
Filling volume 21Kg、230Kg、480Kg、11.2T
OEL China：PC-TWA:20mg/m 3 ；PC-STEL:30mg/m 3 U.S.A（ACGIH)：TLV-TWA:25ppm ；TLV-STEL:35ppm
Monitoring methods Method for determination of toxic substances in the air: Nessler’s reagent spectrophotometric method. Biological monitoring and testing methods
Engineering Control Strictly seal and provide sufficient local exhaust and comprehensive ventilation. Provide safety showers and eye wash services Equipment.

Applications

Metal Treating

Ammonia is used in suchmetal treating operations as nitriding, carbo-nitriding,bright annealing, furnace brazing, sintering, etc. It is used in extracting such metals as copper, nickel, and molybdenum from their ores. It is also used to reduce atmosphere in heat treatment of metals and for the fabrication of silicium nitride.

Semiconductors

Ammonia is widely used in the semiconductor industry.

LED

Ammonia is used in the production of blue and white LEDs(Light Emitting Diods).

Chemical

Dissociated ammonia is also used as a convenient sourceof hydrogen for the hydrogenation of fats and oils. High-purity ammonia provides nitric acid through the Ostwald process. Ammonia is also used in the production of hydrogen cyanide.

Energy

The petroleum industry utilizes anhydrous ammonia inneutralizing the acid constituents of crude oil and in pro-tecting equipment such as bubble plate towers, heat ex-jw changers, condensers, and storage tanks from corrosion.

Manufacturing

As a processing agent, ammonia is used in the manufac-turing of alkalis, ammonium salts, dyes, pharmaceuticals, cuprammonium rayon, and nylon.

Rubber Industry

Ammonia is used in the rubber industry for stabilization ofraw latex to prevent coagulation during transportationand storage.

Environment

Ammonia can be used to neutralize nitric oxides emittedby diesel engines by selective catalytic reduction.

Frequently Asked Question

What is the purity of your ammonia gas? Which industries do you generally supply to?

We provide high-purity ammonia gas, with the highest purity reaching 7N (99.99999%). Our ammonia gas is typically supplied to high-tech industries such as semiconductors, electronics, solar cells, and others.

Can you provide ammonia for use as a refrigerant?

We generally do not provide ammonia gas for use as a refrigerant.

What is the minimum order quantity (MOQ) for your ammonia gas? Can it be purchased individually?

The MOQ for our ammonia gas is approximately 100 cylinders, and we do not accept single-bottle sales.

Can you provide steel cylinders/Dewars/tank trucks/tube trailers for ammonia gas?

We are a professional gas supplier, and gases are our main products. Generally, we can provide ammonia gas with steel cylinders and Dewar flasks shipped together. We also accept customer tank trucks or tube trailers for filling at our facility, but we do not sell tank trucks or tube trailers.

Do you have agents in other regions?

We have different agents in various regions. If you are interested in our ammonia gas products, feel free to contact us via email or phone for more information.

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