Sodium tellurite

Sodium tellurite
Names
Other names
Sodium Tellurite IV, Tellurous acid disodium salt
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.231 Edit this at Wikidata
EC Number
  • 233-268-4
RTECS number
  • WY2450000
UNII
UN number 3288
  • InChI=1S/2Na.H2O3Te/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2 checkY
    Key: VOADVZVYWFSHSM-UHFFFAOYSA-L checkY
  • InChI=1/2Na.H2O3Te/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
    Key: VOADVZVYWFSHSM-NUQVWONBAS
  • [Na+].[Na+].[O-][Te]([O-])=O
Properties
Na2TeO3
Molar mass 221.57774 g/mol
Appearance white crystals, powder
Density 6.245 g/cm3
Melting point 710 °C (1,310 °F; 983 K)
soluble
greater than or equal to 100 mg/mL at 68°F
Structure
rhombic
Hazards
GHS labelling:
GHS06: Toxic
Danger
H300, H301, H311, H330, H331
P260, P261, P264, P270, P271, P280, P284, P301+P310, P302+P352, P304+P340, P310, P311, P312, P320, P321, P322, P330, P361, P363, P403+P233, P405, P501
Lethal dose or concentration (LD, LC):
83 mg/kg (rat, oral)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Sodium tellurite is an inorganic tellurium compound with formula Na2TeO3. It is a water-soluble white solid and a weak reducing agent. Sodium tellurite is an intermediate in the extraction of the element, tellurium; it is a product obtained from anode slimes and is a precursor to tellurium.