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Winkler’s Solution #2


Synonyms: Alkaline-Iodide-Azide

Shelf Life (months): 36

Storage: White



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
470303-046 Wrinkler's Solution #2
Hazardous Product
Reagent 500 mL #2 Each (500ml) 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 1-800-727-4368 or email sargentwelchcs@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. The concentration of the base should be 1 M or less. Dilute it to this concentration if it is more concentrated. Use a large beaker and place it in a fume hood.
  a. When dissolving a base, heat may be evolved. Ice can be used to help control the heat.
  b. Work with a small amount of base at first, and then scale up.
 2. Slowly add dilute hydrochloric acid to the base until the mixture is neutralized to about a pH of 7.
 3. Pour the final solution down the drain with at least a 20-fold excess of water.

Solution Prep

Mix 500 g of sodium hydroxide and 135 g of sodium iodide in 600 mL of DI water. Place beaker in an ice bath. Dilute to a final volume of 1 L with DI water.

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