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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

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

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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Certificates of Analysis (COA)

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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

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