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Names of 10 Bases

10 Common Bases

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Here is a list of ten common bases with chemical structures, chemical formulas and alternate names.

Note that strong and weak means the amount the base will dissociate in water into component ions. Strong bases will completely dissociate in water into their component ions. Weak bases only partially dissociate in water.

Lewis bases are bases that can donate an electron pair to a Lewis acid.

1. Acetone

This is the chemical structure of acetone.
Todd Helmenstine
Acetone: C3H6O

Acetone is a weak Lewis base. It is also known as dimethylketone, dimethylcetone, azeton, β-Ketopropane and propan-2-one.

2. Ammonia

This is the ball and stick model of the ammonia molecule.
Todd Helmenstine
Ammonia: NH3

Ammonia is a weak Lewis base.

3. Calcium Hydroxide

This is the chemical structure of calcium hydroxide.
Todd Helmenstine
Calcium hydroxide: Ca(OH)2

Calcium hydroxide is considered a strong to medium strength base. It will completely dissociate in solutions of less than 0.01 M, but weakens as concentration increases.

Calcium hydroxide is also known as calcium dihydroxide, calcium hydrate, hydralime, hydrated lime, caustic lime, slaked lime, lime hydrate, lime water and milk of lime.

4. Lithium Hydroxide

This is the chemical structure of lithium hydroxide.
Todd Helmenstine
Lithium hydroxide: LiOH

Lithium hydroxide is a strong base. It is also known as lithium hydrate and lithiumhydroxid.

5. Methylamine

This is the chemical structure of methylamine.
Ben Mills/PD
Methylamine: CH5N

Methylamine is a weak Lewis base. It is also known as methanamine, MeNH2, methyl ammonia, methyl amine, and aminomethane.

6. Potassium Hydroxide

This is the chemical structure of potassium hydroxide.
Todd Helmenstine
Potassium hydroxide: KOH

Potassium hydroxide is a strong base. It is also known as lye, sodium hydrate, caustic potash and potash lye.

7. Pyridine

This is the chemical structure of pyridine.
Todd Helmenstine
Pyridine: C5H5N

Pyridine is a weak Lewis base. It is also known as azabenzene.

8. Rubidium Hydroxide

This is the chemical structure of rubidium hydroxide.
Todd Helmenstine
Rubidium hydroxide: RbOH

Rubidium hydroxide is a strong base. It is also known as rubidium hydrate.

9. Sodium Hydroxide

This is the chemical structure of sodium hydroxide.
Todd Helmenstine
Sodium hydroxide: NaOH

Sodium hydroxide is a strong base. It is also known as lye, caustic soda, soda lye, white caustic, natrium causticum and sodium hydrate.

10. Zinc Hydroxide

This is the chemical structure of zinc hydroxide.
Todd Helmenstine
Zinc hydroxide: Zn(OH)2

Zinc hydroxide is a weak base.

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