Aceto-Orcein Stain

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AA0030-30ML AA0030-100ML
470300-074EA 25.05 USD
470300-074 470300-072
Aceto-Orcein Stain
Chemicals for Science Education
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): 1.049
Boiling Point (°C): 118.1
Freezing Point (°C): 16.7
Synonyms: Aceto-Orcein Biological Stain
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.

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




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. To a large beaker, add a large volume of water in a fume hood.
 2. Add the organic acid to the beaker.
 3. Neutralize the mixture by adding dilute sodium hydroxide or sodium carbonate until the pH is about 7. Stir.
 4. Pour the final solution down the drain with at least a 20-fold excess of water.

Solution Prep

To prepare a Aceto-Orcein Staining solution, add 31 mL of glacial acetic acid and 14 mL of DI water to a beaker. Heat to almost boiling. Add 2 g of orcein and allow it to cool. Dilute to 100 mL with DI water.