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Merck

204552

Sigma-Aldrich

Tellurium dioxide

99.995% trace metals basis

Sinónimos:

Telluria, Tellurium (IV) oxide, Tellurium oxide

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About This Item

Fórmula lineal:
TeO2
Número de CAS:
Peso molecular:
159.60
Número CE:
Número MDL:
Código UNSPSC:
12352303
ID de la sustancia en PubChem:
NACRES:
NA.23

Análisis

99.995% trace metals basis

mp

733 °C (lit.)

densidad

5.67 g/mL at 25 °C (lit.)

cadena SMILES

O=[Te]=O

InChI

1S/O2Te/c1-3-2

Clave InChI

LAJZODKXOMJMPK-UHFFFAOYSA-N

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Aplicación

Tellurium dioxide can be used:
  • As a seed layer to fabricate hole-extracting electrodes in an organic photovoltaic device. The addition of TeO2 enhances the optical transmittance of the electrode.
  • As a starting material to prepare tellurite glasses for gamma radiation shielding and other optical applications.

Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Lact. - Repr. 1B - Skin Sens. 1B

Código de clase de almacenamiento

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Nirupama Rai et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 76(3-4), 311-314 (2010-05-01)
Frequency upconversion in triply ionized praseodymium doped glass with composition TeO(2)-Na(2)O (TNO) system under the excitation with a laser light from a dye laser has been reported and the covalency, bonding parameter, nephalauxetic effect which provides the information about the
Sankha Chattopadhyay et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 68(10), 1967-1969 (2010-05-18)
A simple and inexpensive ion-exchange chromatography method for the separation of medically useful no-carrier-added (nca) iodine radionuclides from bulk amounts of irradiated tellurium dioxide (TeO(2)) target was developed and tested using (131)I. The radiochemical separation was performed using a very
Garima Tripathi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 71(2), 486-489 (2008-03-14)
The energy transfer in Er3+: Sm3+ codoped binary TeO2-Li2O (TLO) glass has been studied using 532 nm laser radiation on the basis of fluorescence intensity and the lifetime measurements. It is observed that the trace of erbium ion can be
G Bilir et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 83(1), 314-321 (2011-09-20)
TeO(2)-CdF(2)-WO(3) glasses with various compositions and Er(3+) concentrations were prepared by conventional melting method. Their optical properties were studied by measuring the absorption, luminescence spectra and the decay patterns at room temperature. From the optical absorption spectra the Judd-Ofelt parameters
Edmond P F Lee et al.
The Journal of chemical physics, 121(7), 2962-2974 (2004-08-05)
Ab initio calculations have been carried out on low-lying singlet and triplet states of TeO2 at different levels of theory with basis sets of up to the augmented-polarized valence-quintuple-zeta quality. Equilibrium geometrical parameters, harmonic vibrational frequencies, and relative electronic energies

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