Thulium(III) oxide, REacton™, 99.997% (REO), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11321448	Thermo Scientific Alfa Aesar 010918.03	1 g
11331448	Thermo Scientific Alfa Aesar 010918.06	5 g

Description

Thulium(III) oxide when irradiated in a nuclear reactor, thulium produces an isotope that emits x-rays. A button of this isotope is used to make a lightweight, portable x-ray machine for medical use. It is also used in lasers with surgical applications.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 12036-44-1
• Molecular Weight (g/mol): 385.87
• InChI Key: ZIKATJAYWZUJPY-UHFFFAOYSA-N
• SMILES: [O--].[O--].[O--].[Tm+3].[Tm+3]

• Molecular Formula: O3Tm2
• MDL Number: MFCD00011285
• IUPAC Name: dithulium(3+) trioxidandiide

Specifications

• Melting Point: 2425°C
• Color: Green
• Molecular Formula: O3Tm2
• MDL Number: MFCD00011285
• Solubility Information: Insoluble in water. Slightly soluble in acids.
• SMILES: [O--].[O--].[O--].[Tm+3].[Tm+3]
• Molecular Weight (g/mol): 385.87
• Percent Purity: 99.997%
• Assay: (REO)

• CAS: 12036-44-1
• Physical Form: Powder
• Linear Formula: Tm₂O₃
• Merck Index: 14,9394
• InChI Key: ZIKATJAYWZUJPY-UHFFFAOYSA-N
• IUPAC Name: dithulium(3+) trioxidandiide
• Formula Weight: 385.87
• Grade: Reacton™
• Chemical Name or Material: Thulium(III) oxide

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Warning

missing translation for 'einecsNumber' : 234-851-6

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only