Lanthanum Sesquioxide

Lanthanum Sesquioxide

CAS Number
1312-81-8
Molecular Formula
La2O3
Alloy Additive & StabilizerOptical Modifier & Catalyst PromoterPhosphate BinderHigh-k Dielectric PrecursorRare Earth OxidesRRE

About Lanthanum Sesquioxide

Lanthanum Oxide (La2O3) is a dense, white, high-purity rare earth compound recognized for its high melting point, high refractive index, and high dielectric constant (k). Chemically a basic ceramic, reacting slowly with water to form the hydroxide and possessing a strong affinity for carbon dioxide and phosphate ions. ...

Lanthanum Sesquioxide Specifications

CAS Number
1312-81-8
Molecular Formula
La2O3
IUPAC NameORBotanical Name
bis(lanthanum(3+));tris(oxygen(2-))
Canonical SMILES
[O-2].[O-2].[O-2].[La+3].[La+3]
InChI Key
MRELNEQAGSRDBK-UHFFFAOYSA-N
InChI
1S/2La.3O/q2*+3;3*-2
EINECS Number
215-200-5
MDL Number
MFCD00011071
HSN No
28469000 / 2846901200
Molecular Weight
325.809
TREO
≥98.00%
La2O3/TREO
99.99%
Melting Point
2315ºC
Boiling Point
4200℃
Refractive Index
1.88
PSA
43.370
LogP
-0.30600
Density
6.51 g/cm3
Molecular Weight
325.8092
Physical appearance
White solid; Pellets, large crystals, or dry powder; White to almost white powder to crystal
Safety Statements code
S26;S39
Risk Statements
R36
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Hazard Classes and Categories
Skin Irrit. 2 (39.5%) Eye Irrit. 2 (40.1%)

Metallurgy Chemicals Alloy Additive

Used in the production of nodular cast iron and speciality alloys to enhance malleability and improve mechanical properties

Catalysis & Electronics – Catalyst Promoter

Used in fluid catalytic cracking (FCC) and as a stabilizer for other catalyst systems (e.g., automotive converters)

High-k Dielectrics

Precursor for thin film dielectrics in semiconductors and memory chips

Optics & Ceramics High-Refractive Glass

Essential component in camera lenses, binoculars, and fiber optics to reduce chromatic aberration and enhance image clarity

Ceramics

To abricate advanced electro-ceramics and thermal barrier coatings

Pharmaceuticals Phosphate Binder

Preferred in drugs to treat hyperphosphatemia in patients with chronic kidney disease (CKD). Binds dietary phosphate in the gastrointestinal tract

Optical Modifier

An additive to manufacture high-refractive-index optical glass and precision lenses to reduce chromatic aberration and enhance clarity

Catalyst Promoter

A stabilizing agent used in fluid catalytic cracking (FCC) and automotive emission systems to improve fuel efficiency and emission reduction

High-k Dielectric Precursor

A raw material for thin-film capacitors and gate dielectrics in advanced semiconductor and memory chip manufacturing

Ceramic Dopant

An additive to improve mechanical strength, thermal stability, and corrosion resistance in advanced electro-ceramics and thermal barrier coatings

Phosphate Binder

A pharmaceutical ingredient used in medications to treat hyperphosphatemia by binding dietary phosphate in the gastrointestinal tract

Alloy Additive

A metallurgical agent used in the production of nodular cast iron and specialty alloys to enhance malleability and mechanical properties

Energy Storage Material

A component in solid oxide fuel cells (SOFCs), battery electrodes, and hydrogen storage systems for clean-energy technologies

Storage Condition

Store in a tightly closed container

Storage Incompatibility

Store in a cool, dry, well-ventilated area away from incompatible substances

Storage Stability

Stable

Storage Sensitivity

Hygroscopic

Lanthanum Sesquioxide FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

Rounded Top

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