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266418

Sigma-Aldrich

Tellurium

powder, −200 mesh, 99.8% trace metals basis

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MXP 1,438.00
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25 G
MXP 1,438.00
100 G
MXP 4,061.00
500 G
MXP 15,690.00

About This Item

Fórmula empírica (notación de Hill):
Te
Número de CAS:
13494-80-9
Peso molecular:
127.60
Número CE:
236-813-4
Número MDL:
MFCD00134062
Código UNSPSC:
12141913
ID de la sustancia en PubChem:
24856140
NACRES:
NA.23

MXP 1,438.00

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Ensayo

99.8% trace metals basis

Formulario

powder

resistividad

5.8-33 μΩ-cm, 20°C

tamaño de partícula

−200 mesh

bp

990 °C (lit.)

mp

450 °C (lit.)

densidad

6.24 g/mL at 25 °C (lit.)

cadena SMILES

[Te]

InChI

1S/Te

Clave InChI

PORWMNRCUJJQNO-UHFFFAOYSA-N

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Descripción general

Tellurium is anon-radioactive and heaviest member of the chalcogen family. It has a widerange of oxidation states, from -2 to +6. It is widely used in the fields ofmetallurgy and electronics.

Aplicación

Tellurium can be used as a precursor to prepare:
  • Tellurium-based nanomaterials for semiconductor application, such as CdTe nanoparticles via solvothermal synthesis.
  • Quantum dot solutions for fluorometric determination of bioactive compounds.
  • Thermoelectricmaterials, such as Cu4Mn2Te4 by the melting-quenching-SPS method.
Tellurium, in combination with potassium hydroxide, mediates the quantitative pinacolization of aromatic carbonyl compounds.[1]

Pictogramas

Health hazardExclamation mark
GHS08,GHS07

Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 4 Inhalation - Aquatic Chronic 4 - 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 2

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
MKCW7344
MKCT2800
MKCQ5416
MKCQ1927
MKCM6793

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Visite la Librería de documentos

Khan, R.H. et al.
Synthetic Communications, 27, 2193-2193 (1997)
Zhe Liu et al.
Optics express, 21(6), 7799-7810 (2013-04-03)
ZnTe is an important p-type semiconductor with great applications as field-effect transistors and photodetectors. In this paper, individual ZnTe nanowires based field-effect transistors was fabricated, showing evident p-type conductivity with an effect mobility of 11.3 cm(2)/Vs. Single ZnTe nanowire based
Guizhong Wang et al.
Optics express, 21(4), 4703-4708 (2013-03-14)
The octave-spanning spectrum was generated in a tellurite glass based microstructured fiber pumped by a 528 MHz repetition rate Yb:fiber ring laser without amplification. The laser achieved 40% output optical-to-optical efficiency with the output power of 410 mW. By adjusting
Hridyesh Kumar et al.
Carbohydrate polymers, 97(2), 327-334 (2013-08-06)
The present work describes synthesis of water soluble L-cysteine-functionalized CdTe quantum dots (QDs) with size tunable emission at different time intervals for chitosan based film. The characterization of the synthesized CdTe QDs-chitosan film was made by Fourier transform infrared (FTIR)
Edward R T Tiekink
Dalton transactions (Cambridge, England : 2003), 41(21), 6390-6395 (2012-01-19)
Despite being disparaged for their malodorous and toxic demeanour, compounds of selenium, a bio-essential element, and tellurium, offer possibilities as therapeutic agents. Herein, their potential use as drugs, for example, as anti-viral, anti-microbial, anti-inflammatory agents, etc., will be surveyed along
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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