13598-55-5

Basic information

• Product Name: THULIUM HYDRIDE
• Synonyms: THULIUM HYDRIDE;thulium trihydride;Thulium (III) hydride, REacton, 99.9% (REO);Trihydridethulium(III)
• CAS NO: 13598-55-5
• Molecular Formula: H3Tm
• Molecular Weight: 171.96
• EINECS: 237-073-5
• Mol File: 13598-55-5.mol
• Article Data: 7

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: THULIUM HYDRIDE(CAS DataBase Reference)
• NIST Chemistry Reference: THULIUM HYDRIDE(13598-55-5)
• EPA Substance Registry System: THULIUM HYDRIDE(13598-55-5)

Safety Data

• Hazardous Substances Data: 13598-55-5(Hazardous Substances Data)

Usage

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

Upstream product

• 7439-91-0 lanthanum 
• 13760-79-7 thulium(III) fluoride 
• 12166-69-7 Tm_0.77Te 
• 13537-18-3 thulium(III) chloride 
• 7440-45-1 cerium 
• 7429-90-5 aluminium 
• 126206-77-7 TmBr(C₄₄H₂₈N₄) 
• 15690-63-8 cesium chloride 
• 7647-14-5 sodium chloride 

Downstream Products

• 12039-33-7 thulium monoantimonide 
• 959973-60-5 [TmF(N,N'-bis(2,6-diisopropylphenyl)formamidine)(C₄H₈O)] 
• 12039-33-7 SbTm, low pressure 

Relevant articles and documents

COMPLEX FORMATION VS. DISPROPORTIONATION: LANTHANIDE(II) CHLORIDES, MCl//2 (M EQUVLNT Nd, Sm, Eu, Dy, Tm, Yb), UNDER THE INFLUENCE OF ALKALI CHLORIDES.

The products of the action of alkali metals (A EQUVLNT Li, Na) on lanthanide(III) chlorides, MCl//3 (M EQUVLNT Nd, Sm, Eu, Dy, Tm, Yb), principally ACl plus MCl//2 or LiCl plus LiM//2Cl//5, were reacted with CsCl in sealed tantalum containers. Complex formation (CsMcl//3) and disproportionation (to Cs//2AMCl//6 plus M) are the competing reaction types. The presence of alkali chloride (LiCl, NaCl) has no effect on complex formation of M EQUVLNT Eu, Yb, and only minimal effect for M EQUVLNT Sm. For M EQUVLNT Tm disproportionation is the principal and for M EQUVLNT Dy, Nd the exclusive process.

Effect of the 18-crown-6 and benzo-18-crown-6 on the solvent extraction and separation of lanthanide(III) ions with 8-hydroxyquinoline

The synergistic solvent extraction of 13 lanthanides with mixtures of 8-hydroxyquinoline (HQ) and the crown ethers (S) 18-crown-6 (18C6) or benzo-18-crown-6 (B18C6) in 1,2-dichloroethane has been studied. The composition of the extracted species has been

Temperature-Dependent Rate Constants for the Reactions of Gas-Phase Lanthanides with O2

The reactivity of the gas-phase lanthanide atoms Ln (Ln = La-Yb with the exception of Pm) with O2 is reported. Lanthanide atoms were produced by the photodissociation of [Ln(TMHD)3] and detected by laser-induced fluorescence. For all the lanthanides studied with the exception of Yb, the reaction mechanism is bimolecular abstraction of an oxygen atom. The bimolecular rate constants (in molecule-1 cm3 s-1) are described in Arrhenius form by k[Ce(1G4)] = (3.0 ± 0.4) × 10-10 exp(-3.4 ± 1.3 kJ mol-1/RT); Pr(4I9/2), (3.1 ± 0.7) × 10-10 exp(-5.3 ± 1.5 kJ mol-1/RT); Nd(5I4), (3.6 ± 0.3) × 10-10 exp(-6.2 ± 0.4 kJ mol-1/RT); Sm(7F0), (2.4 ± 0.4) × 10-10 exp(-6.2 ± 1.5 kJ mol-1/RT); Eu(8S7/2), (1.7 ± 0.3) × 10-10 exp(-9.6 ± 0.7 kJ mol-1/RT); Gd(9D2), (2.7 ± 0.3) × 10-10 exp(-5.2 ± 0.8 kJ mol-1/RT); Tb(6H15/2), (3.5 ± 0.6) × 10-10 exp(-7.2 ± 0.8 kJ mol-1/RT); Dy(5I8), (2.8 ± 0.6) × 10-10 exp(-9.1 ± 0.9 kJ mol-1/RT); Ho(4I15/2), (2.4 ± 0.4) × 10-10 exp(-9.4 ± 0.8 kJ mol-1/RT); Er(3H6), (3.0 ± 0.8) × 10-10 exp(-10.6 ± 1.1 kJ mol-1/RT); Tm(2F7/2), (2.9 ± 0.2) × 10-10 exp(-11.1 ± 0.4 kJ mol-1/RT), where the uncertainties represent ±2σ. The reaction barriers are found to correlate to the energy required to promote an electron out of the 6s subshell. The reaction of Yb(1S0) with O2 reacts through a termolecular mechanism. The limiting low-pressure third-order rate constants are described in Arrhenius form by k0[Yb(1S0)] = (2.0 ± 1.3) × 10-28 exp(-9.5 ± 2.8 kJ mol-1/RT) molecule-2 cm6 s-1.