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Product Name: Lanthanum(III) nitrate hexahydrate
Synonyms: Lanthanum(III) nitrate hexahydrate, 99.9% trace rare earth metals basis;Lanthanum(III) nitrate hexahydrate≥ 99% (Assay);Lanthanum nitrate hexahydrate for analysis;Lanthanum Nitrate Releasing Agent Solution;Lanthanum(III)nitrate,hexahydrate(1:3:6);Nitricacid,lanthanum(3+)salt,hexahydrate;Nitricacidlanthanum(III)salthexahydrate;LANTHANUM NITRATE HEXAHYDRATE, 99.999%
CAS: 10277-43-7
MF: H12LaN3O15
MW: 433.01
EINECS: 600-351-5
Product Categories: metal nitrate salts;Catalysis and Inorganic Chemistry;Chemical Synthesis;Lanthanum;Lanthanum Salts;Materials Science;Metal and Ceramic Science;La;Ultra-High Purity Materials;Analytical Reagents;Analytical Reagents for General Use;Analytical/Chromatography;I-N;Puriss p.a.;Chemical Synthesis;Analytical Reagents for General Use;Catalysis and Inorganic Chemistry;I-N, Puriss p.a.Chemical Synthesis;Lanthanum Salts;LanthanumMetal and Ceramic Science;Puriss p.a.;Salts
Mol File: 10277-43-7.mol
Lanthanum(III) nitrate hexahydrate Structure
Lanthanum(III) nitrate hexahydrate Chemical Properties
Melting point  65-68 °C
Boiling point  126 °C
Fp  126°C
storage temp.  Storage temperature: no restrictions.
solubility  1230-1580g/l
form  Solid
color  White to light yellow
PH 3.4 (50g/l, H2O, 25℃)
Water Solubility  1580 g/L (25 ºC)
Sensitive  Hygroscopic
Merck  14,5363
Stability: Stable. Strong oxidizer - contact with combustible materials may cause fire. Hygroscopic ( - also reported to be deliquescent!). Incompatible with combustible material, strong reducing agents, strong acids.
InChIKey GJKFIJKSBFYMQK-UHFFFAOYSA-N
CAS DataBase Reference 10277-43-7(CAS DataBase Reference)
EPA Substance Registry System Lanthanum nitrate hexahydrate (10277-43-7)
Safety Information
Hazard Codes  O,Xi
Risk Statements  8-36/37/38
Safety Statements  17-26-36-37/39
RIDADR  UN 1477 5.1/PG 2
WGK Germany  3
RTECS  OE5250000
TSCA  Yes
HazardClass  5.1
PackingGroup  III
HS Code  28469000
Toxicity LD50 orally in Rabbit: 4500 mg/kgPhysical Properties White crystalline solid; hygroscopic; decomposes around 40°C; very soluble in water and alcohol.

Preparation The salt is prepared by dissolution of lanthanum oxide, hydroxide or carbonate in nitric acid, followed by crystallization, and obtained as a hexahydrate. The general reactions are as follows:
La2O3 + 6HNO3 → 2La(NO3)3 + 3H2O
La (OH)3 + 3HNO3 → La(NO3)3 + 3H2O
La2 (CO3)3 + 6HNO3 → 2La(NO3)3 + 3CO2 + 3H2O
Reactions Thermal dissociation yields lanthanum oxide, La2O3. Its reactions in aqueous solutions are those of La3+ ion. It forms double salts with magnesium, calcium and ammonium nitrates and many other salts when mixed in stoichiometic amounts. Such double salts are obtained from solution mixtures on crystallization and may vary in their compositions.
Chemical Properties white crystals
Uses Starting material for the electrochemical synthesis of a LaMnO3 thin film coating on stainless steel substrates. A novel solvothermal process for formation of doped lanthanide oxysulfide, La2O2S, was developed in order to advance possible applications of this material in phosphors, fluorescent display tubes or heat transfer measurement.
Lanthanum Nitrate is mainly applied in specialty glass, water treatment and catalyst. Various compounds of Lanthanum and other rare-earth elements (Oxides, Chlorides, etc.) are components of various catalysis, such as petroleum cracking catalysts. Small amounts of Lanthanum added to steel improves its malleability, resistance to impact, and ductility, whereas addition of Lanthanum to Molybdenum decreases its hardness and sensitivity to temperature variations. Small amounts of Lanthanum are present in many pool products to remove the Phosphates that feed algae.
Air & Water Reactions Deliquescent. Water soluble.
Reactivity Profile Lanthanum(III) nitrate hexahydrate forms double salts with bivalent ion nitrates and ammonium nitrates. Lanthanum(III) nitrate hexahydrate is an oxidizer.
Health Hazard ACUTE/CHRONIC HAZARDS: When heated to decomposition Lanthanum(III) nitrate hexahydrate emits toxic fumes. It is an irritant.
Fire Hazard Flash point data for Lanthanum(III) nitrate hexahydrate is not available, but Lanthanum(III) nitrate hexahydrate is probably combustible.