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HomeProduct name listLANTHANUM HYDROXIDE

LANTHANUM HYDROXIDE

Synonym(s):Lanthanum hydroxide;Lanthanum trihydroxide;Lanthanum(III) hydroxide

  • CAS NO.:14507-19-8
  • Empirical Formula: H3LaO3
  • Molecular Weight: 189.93
  • MDL number: MFCD00016160
  • EINECS: 238-510-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-22 18:19:53
LANTHANUM HYDROXIDE Structural

What is LANTHANUM HYDROXIDE?

Chemical properties

white, amorphous precipitate; absorbs CO2 [MER06]

Physical properties

White amorphous solid; decomposes on heating; insoluble in water.

The Uses of LANTHANUM HYDROXIDE

Lanthanum hydroxide is used to prepare other lanthanum salts.

The Uses of LANTHANUM HYDROXIDE

Lanthanum(III) hydroxide is used in three way catalyst, glass, ceramic and electronic industry.

Preparation

Lanthanum hydroxide is precipitated by adding excess of caustic soda, caustic potash or ammonia to an aqueous solution of a La3+ salt, such as LaCl3, La(NO3)3 or La(SO4)3:
La3+ + 3OHˉ → La(OH)3
.

Flammability and Explosibility

Non flammable

Properties of LANTHANUM HYDROXIDE

Melting point: decomposes [STR93]
Density  4.27[at 20℃]
vapor pressure  0Pa at 25℃
storage temp.  Inert atmosphere,Room Temperature
form  Powder
color  White
Water Solubility  Insoluble in water. Soluble in strong acids.
Solubility Product Constant (Ksp) pKsp: 18.7
CAS DataBase Reference 14507-19-8(CAS DataBase Reference)
EPA Substance Registry System Lanthanum hydroxide (La(OH)3) (14507-19-8)

Safety information for LANTHANUM HYDROXIDE

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H314:Skin corrosion/irritation
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P310:Immediately call a POISON CENTER or doctor/physician.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for LANTHANUM HYDROXIDE

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