Thulium oxide

CAS NO.：12036-44-1
Empirical Formula: O3Tm2
Molecular Weight: 385.87
MDL number: MFCD00011285
EINECS: 234-851-6
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-28 13:53:23

What is Thulium oxide?

Description

Thulium oxide (Tm2O3) powder has a greenish-white appearance. This rare earth sesquioxide has a cubic structure. The melting point of this material is approximately 2341°C. Tm2O3 is insoluble in water while it is slightly soluble in acidic environments. Tm2O3 has currently been receiving much attention because of its potential in the catalytic, electronic, optical and electrochemical applications. Tm2O3 has a high dielectric constant of 12–13 and its energy band gap of 5 eV.
Thulium oxide.jpg

Chemical properties

white to slightly beige fine powder or crystals

The Uses of Thulium oxide

Thulium oxide is an excellent thulium source which finds use in glass, optical and ceramic applications. Further, it is used in the manufacturing of portable X-ray transmission device. In addition to this, it finds use as a nuclear reactor control material. Nanostructured thulium oxide acts as an efficient biosensor in the field of medicinal chemistry.

The Uses of Thulium oxide

Holmium(III) sulfate hydrate has specialized uses in ceramics, glass, phosphors and metal halide lamp, and dopant to garnet laser. Holmium lasers are used in medical, dental, and fiber-optical applications.

Properties of Thulium oxide

Melting point:	2425°C
Density	8.600
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
solubility	slightly soluble in acid solutions
form	Sintered Lump
color	Pale Green
Water Solubility	Slightly soluble in strong acids. Insoluble in water.
Merck	14,9394
CAS DataBase Reference	12036-44-1(CAS DataBase Reference)
EPA Substance Registry System	Thulium oxide (Tm2O3) (12036-44-1)

Safety information for Thulium oxide

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	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. 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.