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Merck

733482

Bismuth telluride

greener alternative

powder, −325 mesh, 99.99% trace metals basis

Synonym(s):

Bismuth(III) telluride, Bismuth sesquitelluride, Bismuth telluride, Dibismuth tritelluride

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About This Item

Linear Formula:
Bi2Te3
CAS Number:
1304-82-1
Molecular Weight:
800.76
NACRES:
NA.23
PubChem Substance ID:
329764821
UNSPSC Code:
12352300
EC Number:
215-135-2
MDL number:
MFCD00014201

Product Name

Bismuth(III) telluride, powder, −325 mesh, 99.99% trace metals basis

InChI key

GUYIRKJSQUOSJV-UHFFFAOYSA-N

InChI

1S/2Bi.3Te

SMILES string

[Te]=[Bi][Te][Bi]=[Te]

assay

99.99% trace metals basis

form

powder

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

particle size

−325 mesh

mp

573 °C
585 °C (lit.)

density

7.642 g/mL at 25 °C (lit.)

greener alternative category

Enabling,

Quality Level

100

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Application

Bi2Te3 can be used for a saturable absorber in a variety of photo-optic applications, which include pulse fiber lasers.

General description

Bismuth(III) telluride (Bi2Te3) is a thermoelectric material, which acts as a topological insulator: a quantum material with an insulating bulky gap and gapless edge. It forms thin films by different techniques, which include chemical method, electrodeposition and molecular jet method.
The binary chalcogenide, bismuth(III) telluride occurs as mineral tellurobismuthite in nature. 1-2
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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCG3578
MKCF6892
MKCB6999
MKBW2988V
MKBS2260V

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Organic-inorganic nanohybrids as novel thermoelectric materials: hybrids of polyaniline and bismuth (III) telluride nanoparticles
Toshima N, et al.
Journal of Electronic Materials, 40(5), 898-902 (2011)
IOP Conference Series: Materials Science and Engineering, 210(1), 012032-012032 (2017)
Journal of Physics. Conference Series, 1151(1), 012002-012002 (2019)

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