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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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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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General description

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

Application

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

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
MKDB1387
MKCZ5356
MKCZ2424
MKCV7673
MKCW0167

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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
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
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

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