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Ammonium Molybdate

AA0285-100GR AA0284-100ML AA0285-25GR
CAS Number: 12054-85-2
Formula Weight: 1235.86
Formula: (NH4)6Mo7O24·4H2O
Hazard Info: Irritant
Density (g/mL): 2.276
Boiling Point (°C): Decomposes
Freezing Point (°C): Decomposes
Synonyms: Ammonium Heptamolybdate Tetrahydrate
Shelf Life (months): 36
Storage: Green

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.


   
 

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Item # Description Grade Size Chemical/Physical Specifications Unit Availability Price Quantity
470300-222 Ammonium Molybdate 4-Hydrate
Reagent 25 g Crystal Each (25g) Retrieving Restricted
470300-220 Ammonium Molybdate 4-Hydrate
Reagent 100 g Crystal Each (100g) Retrieving Restricted
470225-766 Ammonium Molybdate 4-Hydrate, Solution
Laboratory 100 mL 0.5 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. Dissolve the substance in the smallest amount of water possible in a beaker placed in a fume hood.
 2. Neutralize the solution to a pH of about 7 with either dilute hydrochloric acid or dilute sodium hydroxide if necessary.
 3. Stir the solution and add an excess of 1 M calcium chloride to the neutral solution. A precipitate will form.
 4. Decant the liquid and flush it down the drain with at least a 20-fold excess of water.
 5. Once the solid has dried, place it in a container and it should be disposed of in a landfill.

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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