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Safety Information

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

P0677-100G:4548174009772
P0677-5G:
P0677-BULK:
P0677-10G:
P0677-25G:4548174009789
P0677-VAR:

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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
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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