Basic information Safety Supplier Related

POTASSIUM TELLURITE

Basic information Safety Supplier Related

POTASSIUM TELLURITE Basic information

Product Name:
POTASSIUM TELLURITE
Synonyms:
  • POTASSIUM TELLURITE (IV)
  • POTASSIUM TELLURITE
  • dipotassiumtrioxotellurate
  • potassiumtellurate(iv
  • telluricacid(h2teo3),dipotassiumsalt
  • Potassium tellurite, 99.5%
  • Indium(I) bromide anhydrous(InBr)
  • telluricacid,dipotassiumsalt
CAS:
7790-58-1
MF:
H3KO3Te
MW:
217.72
EINECS:
232-213-1
Product Categories:
  • Media
  • Microbiology
  • Supplements
Mol File:
7790-58-1.mol
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POTASSIUM TELLURITE Chemical Properties

Melting point:
decomposes at 460–470℃ [HAW93]
storage temp. 
2-8°C
solubility 
very soluble in H2O
form 
white hygroscopic crystals
color 
white hygroscopic crystals, crystalline
Water Solubility 
g/100g H2O: 8.8 (0°C), 27.5 (20°C), 50.4 (30°C) [LAN05]
CAS DataBase Reference
7790-58-1(CAS DataBase Reference)
EPA Substance Registry System
Telluric acid (H2TeO3), potassium salt (1:2) (7790-58-1)
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Safety Information

Hazard Codes 
T
Risk Statements 
36/37/38-25-20/21/22
Safety Statements 
26-45-36
RIDADR 
UN 3284 6.1/PG 3
WGK Germany 
3
HazardClass 
6.1(b)
PackingGroup 
III

MSDS

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POTASSIUM TELLURITE Usage And Synthesis

Chemical Properties

Granular, white powder. Hygroscopic; decomposes at 460–470C. Soluble in water.

Uses

In 1:50,000 solution for detecting presence of living pathogenic bacteria in sera and vaccines, such organisms forming characteristic black reduction Compounds.

Uses

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

Definition

ChEBI: A potassium salt consisting of potassium and tellurite ions in a 2:1 ratio.

General Description

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

Safety Profile

A poison by an unspecified route. Human systemic effects by ingestion: sleep dsturbance, anorexia, nausea. When heated to decomposition it emits toxic fumes of K2O and Te. See also TELLURIUM compounds.

POTASSIUM TELLURITESupplier

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