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1.12356

Tellurium dioxide

Name: Tellurium dioxide
Brand: MM

99.5+

Synonym(s):

Tellurium dioxide, Tellurium(IV) oxide

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About This Item

Empirical Formula (Hill Notation):

O₂Te

CAS Number:

7446-07-3

Molecular Weight:

159.60

UNSPSC Code:

12352303

EC Index Number:

231-193-1

NACRES:

NA.22

MDL number:

MFCD00011263

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Properties

Quality Level

200

form

solid

potency

>2000 mg/kg LD₅₀, oral (Rat)

mp

733 °C

density

6.02 g/cm³ at 20 °C

storage temp.

no temp limit

SMILES string

[Te](=O)=O

InChI

1S/O2Te/c1-3-2

InChI key

LAJZODKXOMJMPK-UHFFFAOYSA-N

Description

Application

Facile sonochemical synthesis of tellurium and tellurium dioxide nanoparticles: This study presents a method for synthesizing tellurium nanostructures by reducing TeCl4 to Te using ultrasonic irradiation in methanol, also exploring the oxidation process to produce tellurium dioxide (Arab, Mousavi-Kamazani, 2017).

Ultrathin tellurium dioxide: emerging direct bandgap semiconductor: This article discusses the properties of monolayer tellurium dioxide as a new 2D semiconducting oxide, highlighting its direct bandgap and high mobility, which are significant for various applications (Guo et al., 2018).

Analysis Note

Assay (gravimetrically): ≥ 99.5 %
Identity (ICP-OES): passes test

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pictograms

GHS07,GHS08,GHS09

signalword

Danger

hcodes

H317 - H332 - H360Df - H362 - H411

pcodes

P260 - P263 - P273 - P280 - P304 + P340 + P312 - P308 + P313

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - 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 3

flash_point_f

Not applicable

flash_point_c