Input interpretation
![potassium dichromate](../image_source/4eb300cebec8819bfcdba4cf116fcc97.png)
potassium dichromate
Chemical names and formulas
![formula | K_2Cr_2O_7 Hill formula | Cr_2K_2O_7 name | potassium dichromate IUPAC name | dipotassium oxido-(oxido-dioxochromio)oxy-dioxochromium alternate names | bichromate of potash | dipotassium bichromate | dipotassium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium | potassium bichromate | potassium dichromate(VI) mass fractions | Cr (chromium) 35.3% | K (potassium) 26.6% | O (oxygen) 38.1%](../image_source/14ff46ae70d34568d9059d240718de18.png)
formula | K_2Cr_2O_7 Hill formula | Cr_2K_2O_7 name | potassium dichromate IUPAC name | dipotassium oxido-(oxido-dioxochromio)oxy-dioxochromium alternate names | bichromate of potash | dipotassium bichromate | dipotassium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium | potassium bichromate | potassium dichromate(VI) mass fractions | Cr (chromium) 35.3% | K (potassium) 26.6% | O (oxygen) 38.1%
Structure diagram
![Structure diagram](../image_source/e654980d30cc8aaad9e09a078c36707d.png)
Structure diagram
![vertex count | 11 edge count | 8 Schultz index | 322 Wiener index | 88 Hosoya index | 24 Balaban index | 3.746](../image_source/3e84b0d7c117040a4008ff528922e771.png)
vertex count | 11 edge count | 8 Schultz index | 322 Wiener index | 88 Hosoya index | 24 Balaban index | 3.746
Basic properties
![molar mass | 294.18 g/mol phase | solid (at STP) melting point | 398 °C density | 2.67 g/cm^3](../image_source/69ec375a1ab90f341703747ad0444188.png)
molar mass | 294.18 g/mol phase | solid (at STP) melting point | 398 °C density | 2.67 g/cm^3
Units
Solid properties (at STP)
![density | 2.67 g/cm^3](../image_source/135b34b9c016ce2c75890c7ffa5452bd.png)
density | 2.67 g/cm^3
Units
Thermodynamic properties
![molar heat of fusion | 36.6 kJ/mol specific heat of fusion | 0.1244 kJ/g (at STP)](../image_source/9aebeb5e6524c71ffb99ace8b1b3e2ed.png)
molar heat of fusion | 36.6 kJ/mol specific heat of fusion | 0.1244 kJ/g (at STP)
Chemical identifiers
![CAS number | 7778-50-9 PubChem CID number | 516855 SMILES identifier | [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/2Cr.2K.7O/q;;2*+1;;;;;;2*-1/rCr2O7.2K/c3-1(4, 5)9-2(6, 7)8;;/q-2;2*+1 RTECS number | HX7680000 MDL number | MFCD00011367](../image_source/de60eb02021085178c7c94c443efcbf9.png)
CAS number | 7778-50-9 PubChem CID number | 516855 SMILES identifier | [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/2Cr.2K.7O/q;;2*+1;;;;;;2*-1/rCr2O7.2K/c3-1(4, 5)9-2(6, 7)8;;/q-2;2*+1 RTECS number | HX7680000 MDL number | MFCD00011367
NFPA label
![NFPA label](../image_source/2d1388c94067adeb6461de38e74a789f.png)
NFPA label
![NFPA health rating | 4 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent](../image_source/501a7167ba3de2cefcc66ca2cb211207.png)
NFPA health rating | 4 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent
Toxicity properties
![odor | odorless](../image_source/ee69ca6dc5764b385b20ce6cf97ed4a2.png)
odor | odorless
![RTECS classes | tumorigen | mutagen | reproductive effector | human data](../image_source/ea5bba6e28001e02942cad70b406cd11.png)
RTECS classes | tumorigen | mutagen | reproductive effector | human data
Ion equivalents
![(Cr_2O_7)^(2-) (dichromate anion) | 1 K^+ (potassium cation) | 2](../image_source/a20f51d85139355eee2d85f47e34065e.png)
(Cr_2O_7)^(2-) (dichromate anion) | 1 K^+ (potassium cation) | 2