13864-01-2

Basic information

• Product Name: lanthanum trihydride
• Synonyms: lanthanum trihydride;LaH3;Lanthanum(III) hydride;Trihydridelanthanum;Trihydrogen lanthanum salt;Einecs 237-607-7;Lanthanum hydride (lah3);Anti-LPAR6 / P2RY5 antibody produced in rabbit
• CAS NO: 13864-01-2
• Molecular Formula: H₃La
• Molecular Weight: 141.92932
• EINECS: 237-607-7
• Mol File: 13864-01-2.mol
• Article Data: 2

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /black cubic crystals
• Density: 5.360
• Storage Temp.: -20°C
• Water Solubility: reacts with H2O at 0°C [KIR80]
• CAS DataBase Reference: lanthanum trihydride(CAS DataBase Reference)
• NIST Chemistry Reference: lanthanum trihydride(13864-01-2)
• EPA Substance Registry System: lanthanum trihydride(13864-01-2)

Safety Data

• Hazardous Substances Data: 13864-01-2(Hazardous Substances Data)

Usage

Chemical Properties

black pyrophoric solid; prepared by heating La metal in H2 to 300°C; spontaneously ignites in air; there is also the LaH2 hydride; possible use as hydrogenation catalysts; used to store H2in the system LaNi15, 12196-72-4 [KIR80]

InChI:InChI=1/La.3H/q+3;3*-1

Upstream product

• 7439-91-0 lanthanum 
• 1333-74-0 hydrogen 
• 7704-98-5 titanium dihydride 

Relevant articles and documents

Cubic Fluorite-Type CaH2 with a Small Bandgap

A cubic variant of CaH2 adopting a fluorite-type crystal structure was synthesized by cationic substitution with La or Y, yielding the first alkaline earth hydride-based with fluorite-type framework. The material has a bandgap of ～2.5 eV (greenish yellow in color), which is much smaller than that of orthorhombic PbCl2-type CaH2 (4.4 eV) and is, in fact, the smallest among alkaline or alkaline earth metal hydrides reported to date. Analysis of the density functional theory band structure of cubic-CaH2 indicates that its conduction band minimum is formed mainly by the interaction between the Ca 3d eg orbitals around the crystallographic cavity defined by cubes of H- ions. The use of such cavities in the creation of low-lying conduction band minima by semiconductors is extremely rare, and has similarities to inorganic electrides.