Tên: potassium hydroxide
* IUPAC
Số CAS: 1310-58-3
Công thức hóa học: KOH
Khối lượng phân tử: 56.10564 g
Lễ Percent: K 69.686 %; O 28.516 %; H 1.7965 % 

• vô cơ

• "It is used in the preparation of some soaps and in making other potassium compounds." 1

Cu(NO3)2 (aq) + 2 KOH (aq) → Cu(OH)2 (s) + 2 KNO3 (aq) 5
H2SO4 (aq) + 2 KOH (aq) → 2 H2O (ℓ) + K2SO4 (aq) 
HCl (aq) + 1 KOH (aq) → KCl (aq) + H2O (ℓ) 
HCN (aq) + 1 KOH (aq) → KCN (aq) + H2O (ℓ) 6
HF (aq) + 1 KOH (aq) → KF (aq) + H2O (ℓ) 7
KCHO2 (s) + 1 KOH (s) → K2CO3 (s) + H2 (g) 8
4 KO2 (s) + 2 H2O (ℓ) → 4 KOH (s) + 3 O2 (g) 9
4 KO2 (s) + 6 H2O (ℓ) → 4 KOH (s) + O2 (g) + 4 H2O2 (aq) 10
(NH4)2SO4 (aq) + 2 KOH (s) → K2SO4 (aq) + 2 H2O (ℓ) + 2 NH3 (g) 
(NH4)3PO4 (aq) + 3 KOH (s) → K3PO4 (aq) + 3 H2O (ℓ) + 3 NH3 (g) 
2 KOH (aq) + 1 (NH4)2SO4 (s) → K2SO4 (aq) + 2 H2O (ℓ) + 2 NH3 (g) 
2 K (s) + 2 H2O (ℓ) → 2 KOH (aq) + H2 (g) 
2 KMnO4 (aq) + 3 KCN (aq) + H2O (ℓ) → 2 MnO2 (s) + 2 KOH (aq) + 3 KOCN (aq) 

NFPA 704 Ratings:
Health: 3 - Short exposure could cause serious temporary or moderate residual injury.
Flammability: 0 - Will not burn.
Reactivity: 1 - Normally stable, but can become unstable at elevated temperatures and pressures.
Special Hazard: COR -

Wikipedia

(1) - Brownlee, Raymond B., Fuller, Robert W., and Whitsit, Jesse E. Elements of Chemistry; Allyn and Bacon: Boston, Massachusetts, 1959; p 185.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(5) - Silberberg, Martin S. Chemistry: The Molecular Nature of Matter and Change 4th ed.; McGraw-Hill: Boston, MA, 2006; p 127.
(6) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; p 90.
(7) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; p 98.
(8) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; p 181.
(9) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; pp 135, 227.
(10) - Zumdahl, Steven and Zumdahl, Susan A. Chemistry 9th ed.; Brooks/Cole: Belmont, CA, 2014; p 131.