Praseodymium trinitrate hexahydrate
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Praseodymium trinitrate hexahydrate
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CAS No:
15878-77-0
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Formula:
H2O.1/2HNO3.1/6Pr
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Chemical Name:
Praseodymium trinitrate hexahydrate
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Synonyms:
Nitric acid,praseodymium(3+) salt,hexahydrate;Praseodymium trinitrate hexahydrate;Praseodymium nitrate (Pr(NO3)3),hexahydrate;Praseodymium nitrate hexahydrate;Praseodymium(III) nitrate hexahydrate
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CAS No:
Characteristics
195
0.46650
light green crystal
2.233 g/cm3
56ºC
83ºC at 760 mmHg
1.476
soluble in water, anhydrous amine, alcohol, ether, polar solvents and acetonitrile.
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
49.8mmHg at 25°C
Safety Information
III
5.1
UN 1465 5.1/PG 3
2
8-36/37/38
17-26-27-36/37/39
TU1400000
O,Xi
Stable. Incompatible with finely-powdered metals, strong reducing agents, strong acids. Oxidizer.
P220-P261-P305 + P351 + P338
H272-H315-H319-H335
|Warning|H272 (100%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]|P210, P220, P221, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P405, and P501|Aggregated GHS information provided by 44 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Praseodymium trinitrate hexahydrate Use and Manufacturing
The extraction method uses rare earth chloride solution as the raw material and uses the P2O4-kerosene-HCl-ReC13 system to extract the rare earth mixture into three groups of light, medium and heavy rare earths. The raffinate La-Nd group of light rare earths is separated according to the oxalate precipitation order: samarium, neodymium, praseodymium, cerium, and lanthanum. The oxalate can be precipitated to form a soluble complex and then precipitated to separate it. After drying and burning, praseodymium oxide is dissolved in nitric acid, and praseodymium nitrate is obtained by crystallization and separation. 3Pr2((C2O4)3→Pr6O11+7CO2+11COPr6O11+18HNO3→6Pr(NO3)3+9H2O+O2
Used in ternary catalysts, chemical reagents and other industries.
Computed Properties
Molecular Weight:435.01
Hydrogen Bond Donor Count:6
Hydrogen Bond Acceptor Count:15
Exact Mass:434.93450
Monoisotopic Mass:434.93450
Topological Polar Surface Area:195
Heavy Atom Count:19
Complexity:18.8
Covalently-Bonded Unit Count:10
Compound Is Canonicalized:Yes
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Praseodymium trinitrate hexahydrate
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