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Sodium Fluoride - NaF

What is Sodium Fluoride?

Replace with “Sodium fluoride is an inorganic salt of fluoride having molecular formula NaF.”

The most inexpensive chemical available for fluoridation is sodium fluorosilicate, formerly known as sodium silicofluoride. Sodium fluoride solutions are used with hard water insoluble compounds of calcium and magnesium fluoride can form. It is a dry chemical used in fluoridation of drinking water, it should be manually weighed and added to the mixing tank.

NaF Sodium fluoride
Density 2.56 g/cm³
Molecular Weight/ Molar Mass 41.98817 g/mol
Boiling Point 1,695 °C
Melting Point 993 °C
Chemical Formula NaF

Table of Contents

Sodium Fluoride Structure – NaF

Sodium Fluoride Structure

Physical Properties of Sodium fluoride – NaF

Odour Odourless
Appearance White crystals or powder
Complexity 2
Vapour Pressure 1 mm Hg at 1971 ° F
Hydrogen Bond Acceptor 1
Solubility in water 10 to 50 mg/mL at 73 ° F

Chemical Properties of Sodium fluoride – NaF

    • Sodium fluoride reacts with water forms hydrogen fluoride and sodium hydroxide. The chemical equation is as below.

NaF + H2O → HF + NaOH

    • Sodium fluoride reacts with chlorine and undergoes displacement reaction forming sodium chloride and fluorine.

NaF + Cl2 → NaCl + F2

Uses of Sodium fluoride – NaF

  • Sodium fluoride has bactericidal properties but it is too toxic to be used as a wound antiseptic.
  • Sodium fluoride makes teeth more resistant to decay and bacteria that cause cavities. This medication is used to prevent cavities.
  • Sodium fluoride is used as an insecticide.
  • Used in the fluoridation of public water.
  • The monosodium salt of Sodium fluoride L-glutamic acid; used in the treatment of encephalopathies associated with liver diseases.


Frequently Asked Questions

What is sodium fluoride used for?

Sodium fluoride is used for cavity prevention. This makes the teeth healthier and more resistant to acid and bacteria causing decay. Used for the treatment of osteoporosis and otospongiosis in adults, its use is controversial and further studies are expected.

Where does fluoride come from?

Fluoride is a mineral that occurs in all natural water bodies worldwide. This dissolves into the groundwater like iron and calcium, which we rely on for our drinking water.

What is the function of fluorides in the body?

Fluorine is necessary for our bones to be preserved and solidified, and prevents dental decay. However, if it is ingested too often, it can reverse the effect causing rotting of the teeth, osteoporosis and damage to the kidney, bone, nerve and muscle as well.

When was water fluoridation introduced?

In 1945, Grand Rapids, Michigan, changed the water supply fluoride content to 1.0 ppm and thus became the first city to introduce water fluoridation in the world.

What are the benefits of water fluoridation?

Drinking fluoridated water keeps teeth clean and decreases cavities in children and adults also known as tooth decay by around 25 per cent. By avoiding cavities, fluoridation of drinking water has been shown to save money both for households and for the US health care system.

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3 Comments

  1. it’s so cool i like it

  2. Find the greast 4 digit number that is divisible by 15

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