Borax pentahydrate is a chemical compound with the formula Na₂B₄O₅(OH)₄·3H₂O. It is a colorless, odorless, crystalline solid that is soluble in water. Borax pentahydrate is a form of borax that contains five molecules of water for every molecule of the borate compound.
Borax pentahydrate has a variety of uses, including:
- As a household cleaner: Borax pentahydrate is a mild alkaline that can be used to clean surfaces, laundry, and carpets. It is also effective at removing odors.
- As a pesticide: Borax pentahydrate can be used to kill cockroaches, ants, and other insects.
- As a flame retardant: Borax pentahydrate can be used to treat fabrics and other materials to make them more resistant to fire.
- In cosmetics: Borax pentahydrate is used in some cosmetics as a buffering agent and a thickener.
- As a fertilizer: In low quantities, borax pentahydrate is used as a micronutrient in fertilizers. It helps plants absorb other nutrients and can improve crop yields.
