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Innovating Science® - Synthesis of Aspirin
$47.25
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Manufacturer ID - IS8021
Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.
Description
In a reaction vessel salicylic acid, acetic anhydride and sulfuric acid are mixed. The exothermic reaction will cause the temperature to increase to 70-80®C. Once the reaction is complete the vessel is cooled in an ice bath and the acetylsalicylic acid crystallizes out. This material is re-crystallized in toluene to purify the product. The product identity is confirmed by melting point. The mass of the re-crystallized product is used to determine the yield of the synthesis. In this experiment, we will perform the synthesis of acetylsalicylic acid (aspirin), purification by re-crystallization and use melting point to confirm identity.
Kit Includes:
2 x 25mL Acetic Anhydride
1 x 15g Salicylic Acid
2 x 25mL Sulfuric Acid Concentrate
2 x 25mL Toluene
DOT Info:
Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only
WARNING: This product can expose you to chemicals including Strong inorganic acid mists containing sulfuric acid and Toluene, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.
Kit Includes:
2 x 25mL Acetic Anhydride
1 x 15g Salicylic Acid
2 x 25mL Sulfuric Acid Concentrate
2 x 25mL Toluene
DOT Info:
Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only
WARNING: This product can expose you to chemicals including Strong inorganic acid mists containing sulfuric acid and Toluene, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.Specification
| Brand Name | Innovating Science® |
|---|---|
| Performance Expectations | 5-PS1-3 5-PS1-4 |
| Cross Cutting Concepts | Cause and Effect Scale, Proportion, and Quantity |
| Engineering Practices | Planning and Carrying Out Investigations |
| Box Used | 12663SBOX |
| Width (in) | 6.25 |
| Height (in) | 4 |
| Weight (oz) | 19.9 |
| Weight (lb) | 1.24 |
| Country of Origin | US |
| Harmonization Code | 9023.00.0000 |
| DOT Description | Non regulated |
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