7790-58-1

Name POTASSIUM TELLURITE
CAS 7790-58-1
EINECS(EC#) 232-213-1
Molecular Formula K2O3Te
MDL Number MFCD00011379
Molecular Weight 253.79
MOL File 7790-58-1.mol
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Chemical Properties

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]
InChI 1S/H2O3Te/c1-4(2)3/h(H2,1,2,3)
InChIKey SITVSCPRJNYAGV-UHFFFAOYSA-N
SMILES O=[Te](O)O
CAS DataBase Reference 7790-58-1(CAS DataBase Reference)
EPA Substance Registry System Telluric acid (H2TeO3), potassium salt (1:2) (7790-58-1)

Safety Data

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
TSCA  TSCA listed
HazardClass  6.1(b)
PackingGroup  III
Storage Class 6.1D - Non-combustible acute toxic Cat.3
toxic hazardous materials or hazardous materials causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
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.

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