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Merck
CN

266418

Tellurium

powder, −200 mesh, 99.8% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
Te
CAS Number:
13494-80-9
Molecular Weight:
127.60
NACRES:
NA.23
PubChem Substance ID:
24856140
UNSPSC Code:
12141913
EC Number:
236-813-4
MDL number:
MFCD00134062

Key Documents

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Product Name

Tellurium, powder, −200 mesh, 99.8% trace metals basis

InChI key

PORWMNRCUJJQNO-UHFFFAOYSA-N

InChI

1S/Te

SMILES string

[Te]

assay

99.8% trace metals basis

form

powder

resistivity

5.8-33 μΩ-cm, 20°C

particle size

−200 mesh

bp

990 °C (lit.)

mp

450 °C (lit.)

density

6.24 g/mL at 25 °C (lit.)

Quality Level

100

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Application

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.

General description

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.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW7344
MKCT2800
MKCQ5416
MKCQ1927
MKCM6793

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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
Vijay P Singh et al.
Organic letters, 15(24), 6274-6277 (2013-11-28)
In an effort to improve the chain-breaking capacity of the natural antioxidants, an octyltelluro group was introduced next to the phenolic moiety in β- and δ-tocopherol. The new vitamin E analogues quenched peroxyl radicals more efficiently than α-tocopherol and were
Biomethylation of selenium and tellurium: microorganisms and plants.
Thomas G Chasteen et al.
Chemical reviews, 103(1), 1-25 (2003-01-09)
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