The invention relates to a 4-pteridine-ammonia compound and preparation and application thereof. The invention provides a 4-pteridine-ammonia compound with the right chemical formula: wherein, R and R are H or replaced alkoxyl group, alkylamino or heterocylic group, R is H or replaced alkyl...
Ammonia (chemical formula: NH3) is a compound of nitrogen and hydrogen. As a colorless pungent gas, it is highly soluble in water to become the liquid ammonia. It is also one of the most abundant nitrogen-containing compound in the atmosphere. It provides the fundamental nutrients demands for...
Molecular Formula H3N Molar Mass 17.03 Density 1.023g/mLat 25°C Melting Point −78°C(lit.) Boling Point 60°C Flash Point 52°F Water Solubility soluble Solubility Miscible with ethanol (95%) and water. Vapor Presure 8.75 atm ( 21 °C) Vapor Density 0.6 (vs air) Appearance Liquid...
ACETALDEHYDE AMMONIA (CAS 75-39-8) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.
Chemical Formula NH3 Hazard Class 2.3 Molecular Weight 17.031 UN 1005 Boiling Point(ºC) -33.43 Boiling Point(ºF) -241.17 Density(kg/m³) 0.728 Density(lb/ft³) 0.044 Process: Industrial ammonia is purified by a filter into the electronic grade ultra-high purity...
The methods of preparation of transition metals nitrides consist of a several types of reactions carried out at various temperatures for different nitrides. The methods of synthesis will be presented here, in a general manner and the detailed conditions of the procedures in the part concerning the ...
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Chemical Formula NH3 Hazard Class 2.3 Molecular Weight 17.031 UN 1005 Boiling Point(ºC) -33.43 Boiling Point(ºF) -241.17 Density(kg/m³) 0.728 Density(lb/ft³) 0.044 Process: Industrial ammonia is purified by a filter into the electronic grade ultra-high p...
Chemical Formula NH3 Hazard Class 2.3 Molecular Weight 17.031 Boiling Point (ºC) -33.43 Boiling Point (ºF) -241.17 UN 1005 Density(kg/m³) 0.728 Density(lb/ft³) 0.044 Process: Industrial ammonia is purified by a filter into the electronic grade ultra-high purity ...
Ammonia concentrate -Preparation Method Open DataVerified Data with liquid ammonia as raw material, ammonia gas is volatilized at normal temperature, and impurities in ammonia are removed by washing. The ammonia is passed into a gas absorption tower, and the ammonia is absorbed with high pure wat...