purity 99.8% liquid ammonia NH3 CAS NO.7664-41-7

product chinese name: 液氨（氨水）

product english name: liquid ammonia (anhydrous ammonia)

cas number: 7664-41-7

molecular formula: nh3

molecular weight: 17.04

hs number: 28141000

tax refund rate: 0

un number: 1005

dangerous cargo number: 23003

hazard category: class 2.3, toxic gas

national standard of the product:

1. physicochemical characteristics:

1. appearance and characters: colorless liquid, with intense pungent smell.
2. melting point: -77.7℃
3. boiling point: -33.42℃
4. explosion limits (in the air v%): 16%-25%
5. maximum allowable concentration: 30mg/m3

2. appliance:

mainly used for producing nitric acid, urea and other chemical fertilizers. it is also used as the raw materials of medicine and farm chemicals.

3. packing, storage and transportation

dangerous cargo number: 82503

un number: 1005

packing mark: toxic gas

category of packing: class 2

packing method: steel tank

matters need attention on transportation: when transported by railway, this product should be transported only by enterprises-owned pressureproof liquefied gas tank.

store the product in a cool and ventilated storehouse. keep away from kindling materials and heat source. the temperature in the storehouse had better not higher than 30.c. separate it from oxidizing agents, acids, halogen and edible chemicals, and avoid mixed storage. adopt explosion proof type of illumination and ventilation facilities. it is prohibited to use mechanical equipments and tools that are amiable to cause sparks. the storehouse should be equipped with accidental release measurements facilities.