Praseodymium trihydroxide

Basic Information

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CAS Number

16469-16-2

Molecular Formula

H3O3Pr

Molecular Weight

191.93 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

SMILES

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[OH-].[OH-].[OH-].[Pr+3]

InChI

InChI=1S/3H2O.Pr/h3*1H2;/q;;;+3/p-3

InChIKey

ZLGIGTLMMBTXIY-UHFFFAOYSA-K

Complexity

Synonyms & References

English

Praseodymium hydroxide
Praseodymium trihydroxide
NS00085451
Q18212358
praseodymium(3+);trihydroxide
Praseodymium hydroxide (Pr(OH)3)
EINECS 240-513-9
ZLGIGTLMMBTXIY-UHFFFAOYSA-K
16469-16-2
DTXSID20936978
praseodymium trihydroxide
Einecs 240-513-9
Praseodymium(III) hydroxide
Praseodymium(III)trihydoxide
Praseodymium hydroxide (pr(OH)3)

FAQ

What are the physical and chemical properties of Praseodymium trihydroxide (CAS: 16469-16-2)?

Praseodymium trihydroxide (Pr(OH)₃, CAS: 16469-16-2) is a white to light green powder. It has a molecular weight of approximately 191.5 g/mol. This compound is insoluble in water but soluble in acidic solutions. Chemically, it is relatively stable under normal conditions but reacts with strong acids and bases. It crystallizes in the monoclinic system and is used in various applications due to its unique properties.

How is praseodymium trihydroxide (CAS: 16469-16-2) typically synthesized?

Praseodymium trihydroxide is typically synthesized by precipitation from a solution of praseodymium nitrate or chloride with sodium hydroxide. The reaction is carried out in an aqueous medium, and the precipitate is filtered, washed, and dried. The process requires careful control of pH and temperature to achieve high purity and yield.

What industries use praseodymium trihydroxide (CAS: 16469-16-2)?

Praseodymium trihydroxide is used in various industries, including catalysis, glass coloring, and as a precursor in the production of neodymium magnets. It is also utilized in the manufacturing of phosphors for LED screens and fluorescent lamps. Additionally, it finds applications in the production of special glasses and ceramics.

What precautions should be taken when handling praseodymium trihydroxide (CAS: 16469-16-2)?

When handling praseodymium trihydroxide (CAS: 16469-16-2), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize exposure. Spills should be cleaned up carefully using appropriate materials, and the area should be well-ventilated. Refer to the Safety Data Sheet (SDS) for detailed information on handling and disposal procedures.