Molecule
Name
Sodium dithionite
IUPAC name
Sodium dithionite
Secondary names
Hydrolin, Sodium hydrosulfite, Sodium sulfoxylate, Sulfoxylate, Vatrolite, Virtex L
InChI
InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
InChI key
JVBXVOWTABLYPX-UHFFFAOYSA-L
CAS number
7775-14-6
Formula
Na2S2O4
Chemical formula
Na2S2O4
Structural formula
[[Na+].[O-][S](=O)[S](=O)[O-].[Na+]
Charge
0
Unpaired electrons
0
  Atom Name Number
Na+ Sodium cation 2
O Oxide anion 2
O Oxygen 2
S Sulfur 2
Relations
  • no
Isotope mixture type
terrestrial abundance
Spin type
equilibrated
Molar mass
174.107 g/mol
State STP
solid
State NTP
solid
Protic
aprotic
Polarity
ionic
Molecule symmetry
unknown
Case
nonlinear-polyatomic
Chemical bonds
  Bond Number
Na+O 2
2
=SS= 1
>S=O 2