Input interpretation
sodium bisulfite
Chemical names and formulas
formula | NaHSO_3 Hill formula | HNaO_3S name | sodium bisulfite alternate names | sodium hydrogen sulfite | bisulfite de sodium mass fractions | H (hydrogen) 0.969% | Na (sodium) 22.1% | O (oxygen) 46.1% | S (sulfur) 30.8%
Structure diagram
Structure diagram
vertex count | 5 edge count | 4 Schultz index | 36 Wiener index | 9 Hosoya index | 4 Balaban index | 2.324
Basic properties
molar mass | 104.1 g/mol phase | solid (at STP) melting point | 150 °C density | 1.36 g/cm^3
Units
Solid properties (at STP)
density | 1.36 g/cm^3
Units
Thermodynamic properties
molar heat of fusion | 17.3 kJ/mol specific heat of fusion | 0.1663 kJ/g (at STP)
Chemical identifiers
![CAS number | 7631-90-5 PubChem CID number | 656672 SMILES identifier | OS(=O)[O-].[Na+] InChI identifier | InChI=1/Na.H2O3S/c;1-4(2)3/h;(H2, 1, 2, 3)/q+1;/p-1/fNa.HO3S/h;1H/qm;-1 EU number | 231-548-0 Gmelin number | 22395 RTECS number | VZ2000000 NSC number | 60680](../image_source/7bfbd4c32f570e712867406e9ce4fe04.png)
CAS number | 7631-90-5 PubChem CID number | 656672 SMILES identifier | OS(=O)[O-].[Na+] InChI identifier | InChI=1/Na.H2O3S/c;1-4(2)3/h;(H2, 1, 2, 3)/q+1;/p-1/fNa.HO3S/h;1H/qm;-1 EU number | 231-548-0 Gmelin number | 22395 RTECS number | VZ2000000 NSC number | 60680
NFPA label
NFPA label
NFPA health rating | 2 NFPA fire rating | 1 NFPA reactivity rating | 2
Toxicity properties
long-term exposure limit | 5 mg/m^3 (over 8 hours) RTECS classes | agricultural chemical and pesticide | tumorigen | mutagen
Units
Ion equivalents
Na^+ (sodium cation) | 1 (HSO_3)^- (hydrogen sulfite anion) | 1