Input interpretation
![potassium metabisulfite](../image_source/37180d2629e2b1c75172fe6e29ef64ce.png)
potassium metabisulfite
Chemical names and formulas
![formula | K_2S_2O_5 Hill formula | K_2O_5S_2 name | potassium metabisulfite alternate names | dipotassium disulfite | dipotassium metabisulfite | dipotassium pyrosulfite | potassium pyrosulfite mass fractions | K (potassium) 35.2% | O (oxygen) 36% | S (sulfur) 28.8%](../image_source/371c4c40faea82a2a361e48abb64ccb3.png)
formula | K_2S_2O_5 Hill formula | K_2O_5S_2 name | potassium metabisulfite alternate names | dipotassium disulfite | dipotassium metabisulfite | dipotassium pyrosulfite | potassium pyrosulfite mass fractions | K (potassium) 35.2% | O (oxygen) 36% | S (sulfur) 28.8%
Structure diagram
![Structure diagram](../image_source/d164ad9f97ace5ecc085c4b7df0f7b76.png)
Structure diagram
![vertex count | 9 edge count | 6 Schultz index | 156 Wiener index | 42 Hosoya index | 13 Balaban index | 3.541](../image_source/a968a3e6b0cf2cad95483f96205c7983.png)
vertex count | 9 edge count | 6 Schultz index | 156 Wiener index | 42 Hosoya index | 13 Balaban index | 3.541
Basic properties
![molar mass | 222.3 g/mol phase | solid (at STP) melting point | 190 °C density | 1.2 g/cm^3](../image_source/8e26733d5374a888062a18f807c53cb5.png)
molar mass | 222.3 g/mol phase | solid (at STP) melting point | 190 °C density | 1.2 g/cm^3
Units
Solid properties (at STP)
![density | 1.2 g/cm^3](../image_source/f3859847953b0129c41ec395aa5762af.png)
density | 1.2 g/cm^3
Units
Chemical identifiers
![CAS number | 16731-55-8 PubChem CID number | 28019 SMILES identifier | [O-]S(=O)S(=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/2K.H2O5S2/c;;1-6(2)7(3, 4)5/h;;(H, 1, 2)(H, 3, 4, 5)/q2*+1;/p-2/f2K.O5S2/q2m;-2 RTECS number | TT4920000 MDL number | MFCD00167605](../image_source/a76345493a1ade217ea50cf0c6b0b1b1.png)
CAS number | 16731-55-8 PubChem CID number | 28019 SMILES identifier | [O-]S(=O)S(=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/2K.H2O5S2/c;;1-6(2)7(3, 4)5/h;;(H, 1, 2)(H, 3, 4, 5)/q2*+1;/p-2/f2K.O5S2/q2m;-2 RTECS number | TT4920000 MDL number | MFCD00167605
NFPA label
![NFPA label](../image_source/95054a945b476cfc1f61ce07c68723a0.png)
NFPA label
![NFPA health rating | 1 NFPA fire rating | 0 NFPA reactivity rating | 0](../image_source/70535034e93229b871928ac4bbcbc1c7.png)
NFPA health rating | 1 NFPA fire rating | 0 NFPA reactivity rating | 0
Toxicity properties
![RTECS classes | tumorigen | mutagen | reproductive effector](../image_source/526b9b48215d9929e3f254eeb4c642a3.png)
RTECS classes | tumorigen | mutagen | reproductive effector