266418
Tellurium
powder, −200 mesh, 99.8% trace metals basis
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About This Item
Linear Formula:
Te
CAS Number:
Molecular Weight:
127.60
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141913
EC Number:
236-813-4
MDL number:
eCl@ss:
38040201
Quality Segment
assay
99.8% trace metals basis
form
powder
composition
Te
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.)
SMILES string
[Te]
InChI
1S/Te
InChI key
PORWMNRCUJJQNO-UHFFFAOYSA-N
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.
Application
Tellurium, in combination with potassium hydroxide, mediates the quantitative pinacolization of aromatic carbonyl compounds.
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.
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Signal Word
Danger
Hazard Codes
Precautionary Statements
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 (personal protective equipment)
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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