neptunium tetrahydroxide

Base Information

• Chemical Name: neptunium tetrahydroxide
• CAS No.: 35182-15-1
• Molecular Formula: H4NpO4-4
• Molecular Weight: 305.0797
• Mol file: 35182-15-1.mol

Synonyms:

Chemical Property of neptunium tetrahydroxide

Chemical Property:

• Vapor Pressure: 24.5mmHg at 25°C
• Boiling Point: 100°C at 760 mmHg

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of neptunium tetrahydroxide

There total 5 articles about neptunium tetrahydroxide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

neptunium(IV) oxide dichloride → neptunium(IV) hydroxide (35182-15-1)

Guidance literature:

With ammonia; In ammonia;

Reference yield:

oxovanadium(IV) sulfate + neptunium(V) hydroxide + sodium hydroxide (1310-73-2) → neptunium(IV) hydroxide (35182-15-1)

Guidance literature:

With Cr(NO₃)3 or [Co(NH₃)6]Cl₃; HEDTA or C₆H₅O₇^(3-) or CO₃^(2-) or CH₂OHCOO^(1-); or CaH₂EDTA or C₆H₅O₇^(3-) or NO₂^(1-); In water; byproducts: Cr(OH)3 or Co(OH)3 and Co(OH)2; Np(V) reduced in alkaline medium by VOSO4 in presence of different masking agents; Np(IV) coppt. with metal hydroxide; not isolated; detn. by radiometric method; Kinetics;

Reference yield:

oxovanadium(IV) sulfate + ammonium hydroxide + neptunium(V) hydroxide → neptunium(IV) hydroxide (35182-15-1)

Guidance literature:

With ammonium chloride; In water; byproducts: Co(OH)3 and Co(OH)2; Np(V) reduced in ammonium medium by VOSO4 in presence of different masking agents; Np(IV) coppt. with metal hydroxide; not isolated; detn. by radiometric method; Kinetics;

upstream raw materials:

sodium hydroxide

neptunium tetrabromide