Physical Properties Uses Preparation Reactions
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Lanthanum(III) chloride

Physical Properties Uses Preparation Reactions
Lanthanum(III) chloride Structure
Lanthanum(III) chloride
  • CAS No.10099-58-8
  • Chemical Name:Lanthanum(III) chloride
  • CBNumber:CB3402975
  • Molecular Formula:Cl3La
  • Formula Weight:245.26
  • MOL File:10099-58-8.mol
Lanthanum(III) chloride Property
  • Melting point: :860 °C(lit.)
  • Boiling point: :1812 °C(lit.)
  • Density  :3.84 g/mL at 25 °C(lit.)
  • Flash point: :1000°C
  • form  :beads
  • color  :White to almost white
  • Specific Gravity :3.842
  • Water Solubility  :Soluble in water.
  • Sensitive  :Hygroscopic
  • Merck  :14,5363
  • Stability: :Stability
  • CAS DataBase Reference :10099-58-8(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :04M8624OXV
  • EPA Substance Registry System :Lanthanum chloride (LaCl3) (10099-58-8)
Safety
  • Hazard Codes  :Xi,N
  • Risk Statements  :36/37/38-11-51/53-43-41
  • Safety Statements  :26-36-61-36/37/39
  • RIDADR  :UN3264
  • WGK Germany  :2
  • RTECS  :OE4375000
  • TSCA  :Yes
  • HazardClass  :8
  • PackingGroup  :III
  • HS Code  :28469023
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H290-H317-H318-H411-H303
  • Precautionary statements P273-P280-P305+P351+P338-P261-P280a-P310a-P406-P501a
Lanthanum(III) chloride Price More Price(17)
  • Brand: Sigma-Aldrich
  • Product number: 298182
  • Product name : Lanthanum(III) chloride
  • Purity: anhydrous, beads, 10 mesh, 99.9% trace metals basis
  • Packaging: 10g
  • Price: $96
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 298182
  • Product name : Lanthanum(III) chloride
  • Purity: anhydrous, beads, 10 mesh, 99.9% trace metals basis
  • Packaging: 50g
  • Price: $321
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 035702
  • Product name : Lanthanum(III) chloride, ultra dry, 99.9% (REO)
  • Purity: 
  • Packaging: 50g
  • Price: $200
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 035702
  • Product name : Lanthanum(III) chloride, ultra dry, 99.9% (REO)
  • Purity: 
  • Packaging: 10g
  • Price: $65.6
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: Strem Chemicals
  • Product number: 93-5708
  • Product name : Lanthanum(III) chloride, anhydrous (99.9%-La) (REO)
  • Purity: 
  • Packaging: 25g
  • Price: $99
  • Updated: 2020/06/24
  • Buy: Buy

Lanthanum(III) chloride Chemical Properties,Usage,Production

  • Physical Properties The anhydrous chloride is a white hexagonal crystal; hygroscopic; density 3.84 g/cm3; melts at 850°C; soluble in water. The heptahydrate is a white triclinic crystal; decomposes at 91°C; soluble in water and ethanol.
  • Uses Lanthanum(III) chloride is used to prepare other lanthanum salts. The anhydrous chloride is employed to produce lanthanum metal.
  • Preparation Lanthanum(III) chloride is formed by dissolving the oxide, hydroxide or carbonate in hydrochloric acid, followed by crystallization. The anhydrous chloride is obtained by heating oxide, hydroxide, or carbonate in an atmosphere of dry hydrogen chloride.
    La2(CO3)3 + 6HCl → 2LnCl3 + 3CO2 + 3H2O
    Another method involves heating lanthanum oxide with excess ammonium chloride at 300°C.
  • Reactions When heated in the presence of water vapor, lanthanum oxochloride is formed:
    LaCl3 + H2O→LaOCl + 2HCl
    Heating with glass at elevated temperatures also forms oxochloride:
    LaCl3 + SiO2→2LaOCl + SiCl4
    Lanthanum chloride reacts with hydrogen sulfide when heated at 1100°C, forming lanthanum sulfide:
    2LaCl3 + 3H2S→La2S3 + 3H2S
    Reactions with ammonia and phosphine at elevated temperatures yield lanthanum nitride and phosphide, respectively:
    LaCl3 + PH3→LaP + 3HCl
    Lanthanum chloride is reduced to lanthanum metal when heated with an alkali or alkaline earth metal at temperatures above 1000°C:
    LaCl3 + 3Li→La + 3LiCl
  • Chemical Properties Lanthanum(III) chloride is white powder or colourless crystals
  • Uses Lanthanum chloride is used to prepare other lanthanum salts. The anhydrous chloride is employed to produce lanthanum metal.
  • Preparation The heptahydrate is formed by dissolving the oxide, hydroxide or carbonate in hydrochloric acid, followed by crystallization. The anhydrous chloride is obtained by heating oxide, hydroxide, or carbonate in an atmosphere of dry hydrogen chloride.
    La2(CO3)3 + 6HCl → 2LnCl3 + 3CO2 + 3H2O
    Another method involves heating lanthanum oxide with excess ammonium chloride at 300°C.
  • General Description Lanthanum(III) chloride is white crystalline solid. Gives an amber aqueous solution that can cause destruction or irreversible alterations in human skin tissue at the site of contact. Has a severe corrosion rate on steel.
  • Air & Water Reactions Deliquescent. Water soluble.
  • Reactivity Profile Aqueous solutions of LANTHANUM CHLORIDE contain moderate concentrations of hydrogen ions and react as acids to neutralize bases. Does not usually react as either oxidizing agents or reducing agents but such behavior is not impossible. May catalyze organic reactions.
  • Health Hazard TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
  • Fire Hazard Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.
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