硝铵
Ammonium nitrate
CAS: 6484-52-2
Molecular Formula: H4N2O3
硝铵 - Names and Identifiers
| Name | Ammonium nitrate |
| Synonyms | Norway saltpeter Ammonium nitrate Ammonium nitrate technical Ammonium nitrate fertilizer |
| CAS | 6484-52-2 |
| EINECS | 229-347-8 |
| InChI | InChI=1/HNO3.H3N/c2-1(3)4;/h(H,2,3,4);1H3 |
硝铵 - Physico-chemical Properties
| Molecular Formula | H4N2O3 |
| Molar Mass | 80.0434 |
| Melting Point | 169℃ |
| Boling Point | 172.4°C at 760 mmHg |
| Water Solubility | 190 g/100 mL (20℃) |
| Vapor Presure | 0.422mmHg at 25°C |
| Physical and Chemical Properties | Properties colorless orthorhombic crystal or white fine granular crystals. melting point 169.6 ℃ boiling point freezing point relative density 1.725(25 ℃) refractive index flash point solubility, methanol, ethanol, acetone and liquid ammonia, insoluble in ether. |
| Use | Mainly used as fertilizer, can also be used as explosives, pesticides, refrigerants |
硝铵 - Risk and Safety
| Hazard Symbols | O - Oxidizing agent Xi - Irritant  |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R8 - Contact with combustible material may cause fire R9 - Explosive when mixed with combustible material |
| Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1942/2426 |
硝铵 - Upstream Downstream Industry
硝铵 - Nature
Open Data Verified Data
colorless transparent orthogonal crystals or white particles. Melting point 169.5 ℃,d 1.72 I tasteless. Moisture absorption, caking is very strong. Soluble in water, alcohol, acetone and ammonia solution, insoluble in ether. 19 The product is dissolved in 0.5 ml water, 0.1 ml boiling water, about 20ml ethanol, about 8ml methanol. Its 0.1 mol/L aqueous solution pH 5. 43. It rapidly decomposes and generates water and nitrous oxide at about 210 ° C., and then explodes when heated. Various organic impurities can significantly increase the explosivity of ammonium nitrate. Mixing with reducing agents, organics, combustible materials such as sulfur, phosphorus or metal powders, etc. can form explosive mixtures.
Last Update：2024-01-02 23:10:35
硝铵 - Preparation Method
Open Data Verified Data
nitric acid was mixed with water. Ammonia was added until a significant ammonia odor was present. Heat, filtration. Evaporation, concentration to the liquid surface to form a crystalline film, with ice-cooling, Suction filtration crystallization, drying at 40~50 deg C, to obtain pure ammonium nitrate.
Last Update：2022-01-01 09:00:34
硝铵 - Use
Open Data Verified Data
Can be used as analytical reagents, oxidants, refrigerants. It is used as fertilizer in agriculture, and the total nitrogen is about 34%, which is called quick-acting fertilizer. A large number of smoke-free powder for the manufacture. Chemical industry for the manufacture of nitrous oxide, pharmaceutical vitamin B. The light industry produces alkali-free glass.
Last Update：2022-01-01 09:00:35
硝铵 - Safety
Open Data Verified Data
rat oral LDso:4820mg/kg. Strong oxidant. When combustible materials are on fire, they can contribute to the fire. When mixed with a combustible powder, an intense reaction can occur and the explosion occurs. It can also be triggered by strong vibration. Explosion can occur when heated sharply. It is strictly prohibited to mix with acids, flammable substances, organic substances, reducing agents, spontaneous combustion substances and wet flammable substances.
Last Update：2022-01-01 09:00:35
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硝铵
bis(5-hydroxy-4-hydroxymethyl-6-methyl-3-pyridylmethyl) disulphide
1-chloro-3-(4-chlorophenoxy)benzene
1,6,7-三羟基呫吨酮
壳聚糖季铵盐
(1R)-(-)-THIOCAMPHOR
AFP-168
()-4-METHOXYPHENYL GLYCIN
1-OXO-4-PHENYL-1H-ISOCHROMENE-3-CARBOXYLIC ACID
DIISOOCYL AZELATE
bis(5-hydroxy-4-hydroxymethyl-6-methyl-3-pyridylmethyl) disulphide
1-chloro-3-(4-chlorophenoxy)benzene
1,6,7-三羟基呫吨酮
壳聚糖季铵盐
(1R)-(-)-THIOCAMPHOR
AFP-168
()-4-METHOXYPHENYL GLYCIN
1-OXO-4-PHENYL-1H-ISOCHROMENE-3-CARBOXYLIC ACID
DIISOOCYL AZELATE
Raw Materials for 硝铵
Downstream Products for 硝铵