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Sodium Sulfide 9-Hydrate

SS0848-CONC SS0847-500ML SS0846-100GR
470225-724EA 18.1 USD InStock
470225-724 470302-708 470302-706
Sodium Sulfide 9-Hydrate
Chemicals for Science Education
CAS Number: 1313-84-4
Formula Weight: 240.18
Formula: Na2S·9H2O
Density (g/mL): 1.43
Freezing Point (°C): 50
Solubility: Water and Alcohol
Synonyms: Sodium Monosulfide Nonahydrate
Shelf Life (months): 12
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.

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



   
 

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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. Prepare a 0.5 M sodium hydroxide solution and dissolve the sodium sulfide compound in the solution.
  a. Use about 100 mL NaOH for every 10 mL of sodium sulfide
 2. Slowly add sodium hypochlorite solution (bleach). Add 200 mL bleach for every 5 mL of sodium sulfide.
 3. After allowing the solution to sit overnight, flush the mixture 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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