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Merck
CN

P0677

Potassium tellurite

≥90%

Synonym(s):

Dipotassium tellurite, Potassium tellurate, Potassium tellurium oxide

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About This Item

Empirical Formula (Hill Notation):
K2TeO3
CAS Number:
7790-58-1
Molecular Weight:
253.79
PubChem Substance ID:
57654497
UNSPSC Code:
41171614
NACRES:
NA.23
EC Number:
232-213-1

Key Documents

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Product Name

Potassium tellurite, ≥90%

InChI key

SITVSCPRJNYAGV-UHFFFAOYSA-N

InChI

1S/H2O3Te/c1-4(2)3/h(H2,1,2,3)

SMILES string

O=[Te](O)O

assay

≥90%

form

powder

Quality Level

300

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Application

Potassium tellurite along with agar may be used as a component of a selective medium for growth of bacteria.

General description

Potassium tellurite is a hygroscopic granular white powder. It decomposes at 460-470oC.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

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

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ5356
MKCZ2424
MKCV7673
MKCW0167
MKCV0633

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Use of potassium tellurite for rapid-drug susceptibility testing of Mycobacterium avium complex
Afgani B and Fujiyama D
Journal of Investigative Medicine, 49, 292-296 null
Giulio Zanaroli et al.
Research in microbiology, 153(6), 353-360 (2002-09-18)
This study shows that the oxyanion tellurite TeO3(2-) can be used as a tool to detect and quantify the release in soil microcosms of Pseudomonas pseudoalcaligenes KF707, a strain spontaneously resistant to tellurite with a minimal inhibitory concentration (MIC) of
Elkin Jahir Florez Salamanca et al.
Biofouling, 36(10), 1196-1209 (2020-12-23)
Biofilms were developed from human saliva on bovine enamel discs in four experimental conditions to investigate dental caries development: feast and famine (M1), abundance and scarcity (M2), three meals daily (M3), and three meals plus two snacks daily (M4). The
Francesca Romana Cianfanelli et al.
BMC microbiology, 20(1), 129-129 (2020-05-26)
Gene editing is key for elucidating gene function. Traditional methods, such as consecutive single-crossovers, have been widely used to modify bacterial genomes. However, cumbersome cloning and limited efficiency of negative selection often make this method slower than other methods such

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