Input interpretation
![potassium hydroxide](../image_source/cf59808097f983ad7a5e371b49317257.png)
potassium hydroxide
Chemical names and formulas
![formula | KOH Hill formula | HKO name | potassium hydroxide alternate names | caustic potash | kaliumhydroxid | potassa | potassium hydrate mass fractions | H (hydrogen) 1.8% | K (potassium) 69.7% | O (oxygen) 28.5%](../image_source/00a52f271ab4ce00d10b9d451503eeca.png)
formula | KOH Hill formula | HKO name | potassium hydroxide alternate names | caustic potash | kaliumhydroxid | potassa | potassium hydrate mass fractions | H (hydrogen) 1.8% | K (potassium) 69.7% | O (oxygen) 28.5%
Structure diagram
![Structure diagram](../image_source/3dcd54df47c144f0a94cc0e8f001dd25.png)
Structure diagram
![vertex count | 2 edge count | 1 Schultz index | 0 Wiener index | 0 Hosoya index | 1 Balaban index | 0](../image_source/a2d14cfb54f2627fd381b2747816ee38.png)
vertex count | 2 edge count | 1 Schultz index | 0 Wiener index | 0 Hosoya index | 1 Balaban index | 0
Basic properties
![molar mass | 56.105 g/mol phase | solid (at STP) melting point | 406 °C boiling point | 1327 °C density | 2.044 g/cm^3 solubility in water | soluble](../image_source/b072ab3a693e03cfc02309fb32c8068f.png)
molar mass | 56.105 g/mol phase | solid (at STP) melting point | 406 °C boiling point | 1327 °C density | 2.044 g/cm^3 solubility in water | soluble
Units
Solid properties (at STP)
![density | 2.044 g/cm^3 vapor pressure | 1 mmHg (at 714 °C) refractive index | 1.409](../image_source/846bc718c89977bc9936425bbad457bd.png)
density | 2.044 g/cm^3 vapor pressure | 1 mmHg (at 714 °C) refractive index | 1.409
Units
Thermodynamic properties
![specific heat capacity c_p | gas | 0.8769 J/(g K) | solid | 1.228 J/(g K) molar heat capacity c_p | gas | 49.2 J/(mol K) | solid | 68.9 J/(mol K) specific free energy of formation Δ_fG° | gas | -4.094 kJ/g | solid | -6.762 kJ/g molar free energy of formation Δ_fG° | gas | -229.7 kJ/mol | solid | -379.4 kJ/mol specific heat of formation Δ_fH° | gas | -4.135 kJ/g | solid | -7.568 kJ/g molar heat of formation Δ_fH° | gas | -232 kJ/mol | solid | -424.6 kJ/mol specific entropy S° | aqueous | 0.164 J/(g K) | solid | 1.408 J/(g K) molar entropy S° | aqueous | 9.2 J/(mol K) | solid | 79 J/(mol K) molar heat of vaporization | 136 kJ/mol | specific heat of vaporization | 2.424 kJ/g | molar heat of fusion | 7.9 kJ/mol | specific heat of fusion | 0.14 kJ/g | (at STP)](../image_source/3393f20f777e713c02066060173a7db0.png)
specific heat capacity c_p | gas | 0.8769 J/(g K) | solid | 1.228 J/(g K) molar heat capacity c_p | gas | 49.2 J/(mol K) | solid | 68.9 J/(mol K) specific free energy of formation Δ_fG° | gas | -4.094 kJ/g | solid | -6.762 kJ/g molar free energy of formation Δ_fG° | gas | -229.7 kJ/mol | solid | -379.4 kJ/mol specific heat of formation Δ_fH° | gas | -4.135 kJ/g | solid | -7.568 kJ/g molar heat of formation Δ_fH° | gas | -232 kJ/mol | solid | -424.6 kJ/mol specific entropy S° | aqueous | 0.164 J/(g K) | solid | 1.408 J/(g K) molar entropy S° | aqueous | 9.2 J/(mol K) | solid | 79 J/(mol K) molar heat of vaporization | 136 kJ/mol | specific heat of vaporization | 2.424 kJ/g | molar heat of fusion | 7.9 kJ/mol | specific heat of fusion | 0.14 kJ/g | (at STP)
Chemical identifiers
![CAS number | 1310-58-3 PubChem CID number | 6093213 SMILES identifier | [OH-].[K+] InChI identifier | InChI=1/K.H2O/h;1H2/q+1;/p-1/fK.HO/h;1h/qm;-1 EU number | 215-181-3 Gmelin number | 19033 RTECS number | TT2100000](../image_source/34063d2026f76e0392f0ac2303defd5d.png)
CAS number | 1310-58-3 PubChem CID number | 6093213 SMILES identifier | [OH-].[K+] InChI identifier | InChI=1/K.H2O/h;1H2/q+1;/p-1/fK.HO/h;1h/qm;-1 EU number | 215-181-3 Gmelin number | 19033 RTECS number | TT2100000
NFPA label
![NFPA label](../image_source/8f32be1960834c60964906fe7742ffe2.png)
NFPA label
![NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 1](../image_source/466940e874f11b477d4f8d79c4818600.png)
NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 1
Toxicity properties
![lethal dosage | 273 mg/kg (oral dose for rats) short-term exposure limit | 2 mg/m^3](../image_source/d869457209441f0c8f37526203a81df2.png)
lethal dosage | 273 mg/kg (oral dose for rats) short-term exposure limit | 2 mg/m^3
![probable lethal dose for man | 30 mL (milliliters) long-term exposure limit | 2 mg/m^3 (over 8 hours) RTECS classes | agricultural chemical and pesticide | mutagen | primary irritant](../image_source/04b16f37f5475d5aa996974a8a1983f2.png)
probable lethal dose for man | 30 mL (milliliters) long-term exposure limit | 2 mg/m^3 (over 8 hours) RTECS classes | agricultural chemical and pesticide | mutagen | primary irritant
Ion equivalents
![K^+ (potassium cation) | 1 (OH)^- (hydroxide anion) | 1](../image_source/3fee92ed48d43ea2ae6e1c8f8566b941.png)
K^+ (potassium cation) | 1 (OH)^- (hydroxide anion) | 1