Yttrium nitrate hexahydrate is a hydrated form of the inorganic chemical compound yttrium nitrate with a water content of 28.22%.
Other names, synonyms
Yttrium (III) nitrate hexahydrate; Yttrium trinitrate hexahydrate
Molecular formula and structural formula of Yttrium nitrate hexahydrate:
H12N3O15Y or Y(NO3)3 · 6 H2O
Mr = 383.0078 g/mol
SMILES: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.[Y+3]
Pure yttrium nitrate hexahydrate is a white, odorless, hygroscopic, crystalline solid. Upon heating, the yttrium compound does not exhibit true melting behavior, but rather melts incongruently, releasing water of crystallization, at approximately 88–90 °C. A defined liquid phase of the stoichiometric compound does not exist; with further heating, stepwise dehydration occurs, followed by the thermal decomposition of the nitrate to yttrium oxide, a process that is complete at approximately 600 °C.
Mass-related elemental composition and isotope proportions of the compound Yttrium nitrate hexahydrate - H12N3O15Y - calculated based on molecular mass.
Crystal water content: 28.22 % (Y(NO3)3 · 6 H2O)
*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.
The molar mass is M = 383.00784 grams per mole.
The amount of substance in one kilogram of the substance is n = 2.611 mol.
The amount of substance in one gram of the substance is n = 0.003 mol.
Monoisotopic mass: 382.93267988415 Da - related to 1H1214N316O1589Y.
(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.
GHS hazard statements (H phrases):
LD50 (rat, oral): 3890 mg/kg.
Labeling in the EU: See ECHA Substance Infocard 100.202.834.
The table below lists producers and suppliers of Yttrium nitrate hexahydrate as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.
[0] - Specialist and research articles in scientific journals via PubMed: Yttrium_nitrate_hexahydrate.
Last update: 2026-01-26
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