Solid phase
- Official name
- Sodium selenite
- Secondary names
- Se(IV) sodium selenite; Disodium selenite; Selenious acid, disodium salt
- CAS number
- 10102-18-8
- Family
- ionic solid
- Class
- alkali salt
- Compound type
- selenite
- Formula
- $(Na^+)_2 \cdot SeO_3^{2-}$
- Chemical formula
- Na2SeO3
- Elemental formula
- (Na+)2 Se O (O-)2
- Isotope mixture type
- terrestrial abundance
- Class
- alkali salts (06)
- Type
- simple alkali salts (06.01)
- Phase type
- crystalline
- Crystal system
- tetragonal
- Molar mass
- 172.95 $g/mol$
- Density
- 3.1 $g/cm^3$
- State NTP
- solid
- Phase transitions comments
- decompose at 320°C
- Refringence type
- uniaxial
- Pure color
- colorless
- Color
- white