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Iodine, Solution

IX0150-1L IX0150-2L IX0150-500ML IX0160-500ML IX0160-500MLR IX0160-100ML IX0150-100ML IX0190-100ML IX0138-1L IX0160-100MLR IX0190-500ML IX0139-500ML IX0138-500ML IX0150-50ML IX0160-2L
CAS Number: Mixture
Density: 0.7919—0.7955 g/mL Tincture
Boiling Point: 74 to 80°C Tincture
Freezing Point: -114°C Tincture
Shelf Life: 12 Months

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.

Delivery information: This product is designed for educational and teaching laboratories, and no certificate of analysis is available.

Caution: This product is a corrosive and toxic irritant.



Item # Description Grade Size Chemical/Physical Specifications Unit Availability Price Quantity
470301-314 Iodine Solution
Laboratory 100 mL For Starch Test Each (100ml) Retrieving Restricted
470301-332 Iodine Solution
Laboratory 500 mL For Starch test Each (500ml) Retrieving Restricted
470301-316 Iodine Solution
Laboratory 2 L For Starch Test Each (2l) Retrieving Restricted
470301-318 Iodine Solution
Reagent 100 mL For Starch Test Each (100ml) Retrieving Restricted
470301-320 Iodine Solution
Reagent 500 mL For Starch Test 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 800-387-9393 or email


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. Add the substance to a twofold excess of 4% sodium thiosulfate (Na2S2O3) solution. Stir. Place the solution in a fume hood.
 2. Let the reaction come to completion over the course of an hour.
 3. Neutralize the solution with either dilute sodium hydroxide or dilute sulfuric acid to about a pH of 7 if necessary.
 4. Pour the final solution down the drain with at least a 20-fold excess of water.

Solution Prep

To prepare a Lugol's iodine solution, add 20 g of potsasium iodide to 100 ml of DI water. Next, add 10 g of iodine. Dilute to a final volume of 1 L with DI water.

To prepare Iodine Tincture, add 50 g of potassium iodide to 500 ml of DI water. Next, add 70 g of iodine and dilute to a final volume of 1 L with 95% ethyl alcohol.

To prepare a potassium iodide-iodine solution, add 15 g of potsasium iodide to 100 ml of DI water. Next, add 3 g of iodine. Dilute to a final volume of 1 L with DI water.


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