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Innovating Science™ AP Chemistry Kits: Synthesis of Aspirin
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Catalog No. S90746 Shop All Aldon Products
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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.
Catalog No. S90746 Supplier Innovating Science™ Supplier No. IS8021
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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.

Description

Includes

Materials for 15 groups: 25mL Acetic Anhydride UN1715 (2); 15g Salicylic Acid; 25mL Sulfuric Acid concentrate UN1830 (2); 25mL Toluene UN1294; teacher's guide; and student copy masters

Performs the synthesis of acetylsalicylic acid (aspirin) purification by recrystallization and using melting point to confirm identity.

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 crystallizes out. This material is then recrystallized in toluene to purify the product. The product identity is comfirmed by melting point. The mass of the recrystallized product is used to determine the yield of the synthesis.

Specifications

Certifications/Compliance 49 CFR 173.4
Color White
Grade 7 to 14
Age 13 to 20
For Use With (Application) Performs the synthesis of acetylsalicylic acid purification by recrystallization and using melting point to confirm identity, the mass of the recrystallized product is used to determine the yield of the synthesis
Includes 2 x 25ml acetic anhydride, 1 x 15g salicylic acid, 2 x 25ml sulfuric acid concentrate, 2 x 25ml toluene, teacher's guide and student study guide copymasters
Quantity 1
Dimensions (L x W x H) 6.75 x 5 x 6 in.
Class Size 15 Lab Groups
Product Type Synthesis of Aspirin Chemistry Kit
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