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Sodium Fluoride


CAS Number: 7681-49-4
Formula Weight: 41.99
Formula: NaF
Hazard Info: Toxic
Density (g/mL): 2.78
Boiling Point (°C): 1704
Freezing Point (°C): 993
Solubility: Water and Alcohol
Synonyms: Fluoridine
Shelf Life (months): 36
Storage: Blue

Note: The chemical specifications for some items on this product page may differ from the specifications listed above. For more information, consult the Safety Data Sheet or contact your Ward's representative.

Caution: Please Note: This product is designed for educational and teaching laboratories, and no certificate of analysis is available.


   
 

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Item # Description Grade Size Chemical/Physical Specifications Unit Availability Price Quantity
470302-540 Sodium Fluoride
Hazardous Product
Reagent 100 g Powder Each (100g) Retrieving Restricted
470302-538 Sodium Fluoride
Hazardous Product
Laboratory 500 g Powder Each (500g) Retrieving Restricted
470302-536 Sodium Fluoride, Solution
Hazardous Product
Laboratory 50 mL 0.1 M Each (50ml) Retrieving Restricted
470225-800 Sodium Fluoride, Solution
Hazardous Product
Laboratory 500 mL 0.1 M Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email wardscs@vwr.com.

Disposal

This disposal method is published for your convenience. You MUST have checked with your federal, state, and local regulations before using this method and these methods are only applicable for small laboratory sized quantities.

Use a lab apron, chemical resistant gloves and goggles before following the below method to dispose of hazardous waste.

 1. For hydrofluoric acid disposal, a plastic container must be used as hydrofluoric acid will react with the glass. The container should be placed in a fume hood.
 2. Fill the plastic container with a three-fold molar excess of solid calcium hydroxide, then fill it half full with water.
 3. Slowly add the hydrofluoric acid to the calcium hydroxide suspension.
  a. Heat may be evolved, if necessary, cool the plastic container in an ice bath.
 4. Neutralize the basic solution with dilute hydrochloric acid to a pH of about 7.
  a. If the solution becomes too acidic, calcium fluoride will precipitate out.
 5. After letting the neutralized suspension sit overnight, decant the liquid.
 6. Once the solid has dried, place it in a container and it should be disposed of in a landfill.
 7. Pour the final solution down the drain with at least a 20-fold excess of water.

Solution Prep

To prepare a solution, determine the formula weight of the material, the concentration (Molarity) of the solution, and the amount of solution desired in Liters. Once this information has been obtained, use the following formula:
(Formula Weight) x (Concentration) x (Desired Volume) = Number of grams in desired volume of liquid

For a 1 M, 1 L solution:
(Formula Weight) x (1 mol/L) x (1 L) = x g added to 1-L volumetric flask. Dilute to a final volume of 1 L with DI Water.

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