Input interpretation
![potassium dichromate](../image_source/0fabc38fc2316f4345bf01fbe5ea48da.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/6e60673d568a7f9196efa29ffbfcb9a6.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/a558a4dc293779913b5540833308dd29.png)
Structure diagram
![vertex count | 11 edge count | 8 Schultz index | 322 Wiener index | 88 Hosoya index | 24 Balaban index | 3.746](../image_source/379527de77846e2ff7be75ec87e61ce0.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/1dc51e679639269ff4bd50bf658449fb.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/da2e8b4b5ebb54097c1014ef5fcca1f8.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/526d391b8be5ab318164ba767e04acfe.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/2c7604feceea4a36b7efc98109390500.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/fdf3788528bb2eb447b9cd5a5085be48.png)
NFPA label
![NFPA health rating | 4 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent](../image_source/5a12c9b33d9bba4c49b7adaf665c0a93.png)
NFPA health rating | 4 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent
Toxicity properties
![odor | odorless](../image_source/e77c196da7b97c0c0b2108f9e0e19436.png)
odor | odorless
![RTECS classes | tumorigen | mutagen | reproductive effector | human data](../image_source/672f2abca7eb1212ba56c7c2d7c16930.png)
RTECS classes | tumorigen | mutagen | reproductive effector | human data
Ion equivalents
![(Cr_2O_7)^(2-) (dichromate anion) | 1 K^+ (potassium cation) | 2](../image_source/ed47e1d4a84c8624640c5ea2ed289151.png)
(Cr_2O_7)^(2-) (dichromate anion) | 1 K^+ (potassium cation) | 2