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HomeProduct name listThulium oxide

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
Thulium oxide Structural

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)
ghs
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.

Computed Descriptors for Thulium oxide

InChIKey CWEYWFRFCUNVEY-UHFFFAOYSA-N

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