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Sigma-Aldrich

Tellurium

powder, −30 mesh, 99.997% trace metals basis

Synonym(s):

Tellurium element

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About This Item

Empirical Formula (Hill Notation):
Te
CAS Number:
13494-80-9
Molecular Weight:
127.60
EC Number:
236-813-4
MDL number:
MFCD00134062
UNSPSC Code:
12352202
PubChem Substance ID:
24856041
NACRES:
NA.23

Quality Level

100

Assay

99.997% trace metals basis

form

powder

resistivity

5.8-33 μΩ-cm, 20°C

particle size

−30 mesh

bp

990 °C (lit.)

mp

450 °C (lit.)

density

6.24 g/mL at 25 °C (lit.)

SMILES string

[Te]

InChI

1S/Te

InChI key

PORWMNRCUJJQNO-UHFFFAOYSA-N

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Application


  • Tellurium as a high-performance elemental thermoelectric: Explores the use of elemental tellurium in thermoelectric applications, important for energy conversion technologies, which is relevant for material science (Lin et al., 2016).

  • Love is in the Earth: A review of tellurium (bio) geochemistry in surface environments: Discusses the bio-geochemical cycles of tellurium, its environmental distributions, and transformations, which may be of interest to environmental chemists or those in academia studying geochemical cycles (Missen et al., 2020).

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Raymond J Turner et al.
Biotechnology advances, 30(5), 954-963 (2011-09-13)
Here, we overview the most recent advances in understanding the bacterial mechanisms that stay behind the reduction of tellurium oxyanions in both planktonic cells and biofilms. This is a topic of interest for basic and applied research because microorganisms are
Julian G Westphal et al.
The Journal of clinical endocrinology and metabolism, 99(6), 2138-2145 (2014-03-13)
Radioiodine therapy of benign thyroid diseases requires pretherapy assessment of radioactive iodine uptake (RAIU) for reliable therapy planning. Our objective was to assess RAIU by low-activity (124)I-positron emission tomography/low-dose computed tomography ((124)I-PET/CT) in comparison with standard (131)I probe measurements. This
Katja C Nowack et al.
Nature materials, 12(9), 787-791 (2013-06-19)
The quantum spin Hall (QSH) state is a state of matter characterized by a non-trivial topology of its band structure, and associated conducting edge channels. The QSH state was predicted and experimentally demonstrated to be realized in HgTe quantum wells.
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