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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

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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