BTEC Applied Science Unit 4 Assignment B - Synthesis of Aspirin

BTEC Applied Science Unit 4 Assignment B - Synthesis
of Aspirin


Appearance of Salicylic Acid: - ANSWER White, fine, needle-like crystals

Smell of Salicylic acid: - ANSWER Odorless

Structural formula of salicylic acid: - ANSWER

Taste of Salicylic Acid: - ANSWER Sweetish, afterwards acrid taste

Melting Point of Salicylic Acid: - ANSWER 159 degrees Celsius

Solubility of Salicylic Acid in alcohol and ether: - ANSWER Freely soluble

Solubility of Salicylic Acid in boiling water: - ANSWER Soluble

Solubility of Salicylic Acid in water and benzene: - ANSWER Slightly Soluble

Solubility of Salicylic acid in chloroform: - ANSWER Sparingly soluble

Molecular Formula of salicylic acid: - ANSWER C6H7O3

Chemical names of Salicylic Acid: - ANSWER 2-hydroxybenzoic acid
o-hydroxybenzoic acid

Structural formula of acetic anhydride: - ANSWER

Structural formula of Aspirin: - ANSWER

Therapeutic use of Salicylic Acid: - ANSWER Antiseptic
Keratolytic

Uses salicylic acid to treat this type of dermatitis: - ANSWER Eczematoid Dermatitis

This is also used for dandruff, insect bites, acne, soaps, vaginal douche and
products used for the treatment of psoriasis: - ANSWER Salicylic Acid

Salicylic acid, in higher concentration, removes: - ANSWER Corns, calluses, and
warts

Appearance of Acetic anhydride: - ANSWER Colorless liquid

Smell of Acetic anhydride: - ANSWER Strong odor of vinegar

Sensitivity of Acetic anhydride: - ANSWER Moisture sensitive