Praseodymium(III) nitrate hexahydrate

The Praseodymium(III) nitrate hexahydrate with CAS registry number of 15878-77-0 is also known as Praseodymiumnitrate (Pr(NO3)3), hexahydrate. The IUPAC name is Praseodymium(3+) trinitrate hexahydrate. It belongs to product categories of Praseodymium Salts; Catalysis and Inorganic Chemistry; Chemical Synthesis; PraseodymiumMetal and Ceramic Science; Salts. Its EINECS registry number is 233-796-5. In addition, the formula is Pr(NO₃)₃^.6(H₂O) and the molecular weight is 435.01. This chemical is a lime-green crystal and shoule be stored in sealed containers in cool, dry place and away from oxidizing agents, acid, reducing agents, facilitated materials, alkali and metal powder. What's more, it can be used as special alloy, the ternary catalyst, chemical reagent and so on.

Physical properties about Praseodymium(III) nitrate hexahydrate are: (1)H-Bond Donor: 6; (2)H-Bond Acceptor: 15; (3)Rotatable Bond Count: 0; (4)Exact Mass: 434.93449; (5)MonoIsotopic Mass: 434.93449; (6)Topological Polar Surface Area: 195; (7)Heavy Atom Count: 19; (8)Covalently-Bonded Unit Count: 10.

Preparation of Praseodymium(III) nitrate hexahydrate: it can be prepared by means of extraction with raw material of chloride rare-earth solution, and the extracted system is P₂O₄-kerosene-HCl-ReCl₃. Separating the precipitate after soluble complexes are formed. Drying and burning to obtain praseodymium oxide. At last, dissolved in nitric acid, crystallized and separated to get product.

3Pr₂(C₂O₄)₂→Pr₆O₁₁+7CO₂+11CO  P₄₆O₁₁+18NO₃→6Pr(NO₃)₃+9H₂O+O₂

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing, gloves and eye/face protection. Besides, keep away from combustible material. After using it, take off immediately all contaminated clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.[Pr+3]
2. InChI: InChI=1S/3NO3.6H2O.Pr/c3*2-1(3)4;;;;;;;/h;;;6*1H2;/q3*-1;;;;;;;+3
3. InChIKey: LXXCECZPOWZKLC-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	290mg/kg (290mg/kg)		Toxicology and Applied Pharmacology. Vol. 5, Pg. 750, 1963.
rat	LD50	intraperitoneal	245mg/kg (245mg/kg)		Toxicology and Applied Pharmacology. Vol. 5, Pg. 750, 1963.
rat	LD50	oral	3500mg/kg (3500mg/kg)		Toxicology and Applied Pharmacology. Vol. 5, Pg. 750, 1963.