Input interpretation
potassium chromate
Chemical names and formulas
formula | K_2CrO_4 Hill formula | CrK_2O_4 name | potassium chromate IUPAC name | dipotassium dioxido-dioxochromium alternate names | 51Cr-potassium chromate | bipotassium chromate | dipotassium chromate | dipotassium diketo-dioxido-chromium | dipotassium dioxido-dioxo-chromium | dipotassium dioxido-dioxochromium | potassium chromate(VI) mass fractions | Cr (chromium) 26.8% | K (potassium) 40.3% | O (oxygen) 33%
Structure diagram
Structure diagram
vertex count | 7 edge count | 4 Schultz index | 64 Wiener index | 16 Hosoya index | 5 Balaban index | 3.024
Basic properties
molar mass | 194.19 g/mol phase | solid (at STP) melting point | 971 °C density | 2.73 g/cm^3 solubility in water | soluble
Units
Solid properties (at STP)
density | 2.73 g/cm^3 vapor pressure | 0.001 mmHg (at 940 °C)
Units
Thermodynamic properties
molar heat of fusion | 33 kJ/mol specific heat of fusion | 0.17 kJ/g (at STP)
Chemical identifiers
![CAS number | 7789-00-6 PubChem CID number | 24597 PubChem SID number | 24877684 SMILES identifier | [O-][Cr](=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/Cr.2K.4O/q;2*+1;;;2*-1/rCrO4.2K/c2-1(3, 4)5;;/q-2;2*+1 RTECS number | GB2940000 MDL number | MFCD00011368](../image_source/93cc175a49d0b421d905db079ce62303.png)
CAS number | 7789-00-6 PubChem CID number | 24597 PubChem SID number | 24877684 SMILES identifier | [O-][Cr](=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/Cr.2K.4O/q;2*+1;;;2*-1/rCrO4.2K/c2-1(3, 4)5;;/q-2;2*+1 RTECS number | GB2940000 MDL number | MFCD00011368
NFPA label
NFPA label
NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent
Toxicity properties
odor | odorless
RTECS classes | tumorigen | mutagen | reproductive effector
Ion equivalents
K^+ (potassium cation) | 2 (CrO_4)^(2-) (chromate anion) | 1