Tellurium(IV) oxide, 99+%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10042910	Thermo Scientific Acros 222590500	50 g	Glass bottle
10793411	Thermo Scientific Acros 222592500	250 g	Glass bottle

Description

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

Chemical Identifiers

• CAS: 7446-07-3
• Molecular Weight (g/mol): 110.97
• InChI Key: JPJALAQPGMAKDF-UHFFFAOYSA-N
• PubChem CID: 24007
• SMILES: O=[Se]=O

• Molecular Formula: O2Se
• MDL Number: MFCD00003562
• Synonym: selenium oxide, selenium iv oxide, oxoselane oxide, selenious anhydride, selenium oxide seo2, seleniumdioxide, dimer, selenous acid anhydride, selenium iv dioxide 1:2, selenium oxide se2o4
• IUPAC Name: (oxo-λ⁴-selanylidene)oxidane

Specifications

• Boiling Point: 1245°C
• CAS: 7446-07-3
• Physical Form: Powder
• Molecular Formula: O2Se
• MDL Number: MFCD00003562
• Synonym: selenium oxide, selenium iv oxide, oxoselane oxide, selenious anhydride, selenium oxide seo2, seleniumdioxide, dimer, selenous acid anhydride, selenium iv dioxide 1:2, selenium oxide se2o4
• InChI Key: JPJALAQPGMAKDF-UHFFFAOYSA-N
• IUPAC Name: (oxo-λ⁴-selanylidene)oxidane
• PubChem CID: 24007
• Percent Purity: ≥99%
• Chemical Name or Material: Tellurium(IV) oxide, 99+%

• Melting Point: 733°C
• Color: White to Yellow
• Assay Percent Range: 99+%
• Linear Formula: TeO₂
• Merck Index: 15, 9265
• Solubility Information: Solubility in water: insoluble. Other solubilities: soluble in conc. acids and alkalies,slightly soluble in diluted acids
• SMILES: O=[Se]=O
• Molecular Weight (g/mol): 110.97
• Formula Weight: 159.6
• Density: 5.67g/mL

Safety and Handling

GHS H Statement
May cause an allergic skin reaction.
Harmful if inhaled.
May damage fertility or the unborn child.
Toxic to aquatic life with long lasting effects.

GHS P Statement
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Call a POISON CENTER or doctor/physician if you feel unwell.
IF ON SKIN: Wash with plenty of soap and water.
If skin irritatio

GHS Signal Word: Danger

missing translation for 'einecsNumber' : 231-193-1

missing translation for 'rtecsNumber' : WY2675000

missing translation for 'tsca' : TSCA

Product Identifier

• Tellurium(IV) oxide

RUO – Research Use Only