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P0677

Sigma-Aldrich

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
EC Number:
232-213-1
UNSPSC Code:
41171614
PubChem Substance ID:
57654497
NACRES:
NA.23

Quality Level

300

Assay

≥90%

form

powder

SMILES string

O=[Te](O)O

InChI

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

InChI key

SITVSCPRJNYAGV-UHFFFAOYSA-N

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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

Signal Word

Danger

Hazard Statements

H301,H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV7673
MKCW0167
MKCV0633
MKCV2396
MKCQ8564

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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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