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ChemicalBook--->CAS DataBase List--->7790-58-1

7790-58-1

7790-58-1 Structure

7790-58-1 Structure
IdentificationMore
[Name]

POTASSIUM TELLURITE
[CAS]

7790-58-1
[Synonyms]

POTASSIUM TELLURITE
POTASSIUM TELLURITE (IV)
dipotassiumtrioxotellurate
potassiumtellurate(iv
telluricacid(h2teo3),dipotassiumsalt
telluricacid,dipotassiumsalt
Tellurousacid,dipotassiumsalt
10% POTASSIUM TELLURITE SOLUTION
POTASSIUM TELLURITE SOLUTION
POTASSIUM TELLURITE FOR BACTERIOLOGY
Potassiumtellurite,97%
POTASSIUMTELLURITE,POWDER,REAGENT
[EINECS(EC#)]

232-213-1
[Molecular Formula]

K2O3Te
[MDL Number]

MFCD00011379
[Molecular Weight]

253.79
[MOL File]

7790-58-1.mol
Chemical PropertiesBack Directory
[Appearance]

Granular, white powder. Hygroscopic; decomposes at 460–470C. Soluble in water.
[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)
Hazard InformationBack Directory
[Chemical Properties]

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

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

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

Potassium tellurite is a hygroscopic granular white powder. It decomposes at 460-470oC.
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R25:Toxic if swallowed.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 3284 6.1/PG 3
[WGK Germany ]

3
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[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.
Tags:7790-58-1 Related Product Information
7440-09-7 13494-80-9 7783-00-8 7783-08-6 7790-59-2 123333-66-4

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