Making Picric Acid from Aspirin

Making Picric Acid from Aspirin by the Jolly Roger

Picric Acid can be used as a booster explosive in detonators, a high explosive charge, or as an intermediate to preparing lead picrate.
Material Required
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Aspirin tablets (5 grains per tablet)
Alcohol, 95% pure
Sulfuric acid, concentrated, (if battery acid, boil until white fumes
     disappear)
Potassium Nitrate (see elsewhere in this Cookbook)
Water
Paper towels
Canning jar, 1 pint
Rod (glass or wood)
Glass containers
Ceramic or glass dish
Cup
Teaspoon
Tablespoon
Pan
Heat source
Tape

Procedure:
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1) Crush 20 aspirin tablets in a glass container. Add 1 teaspoon of water and work into a paste.
2) Add approximately 1/3 to 1/2 cup of alcohol (100 millilitres) to the aspirin paste; stir while pouring.
3) Filter the alcohol-aspirin solution through a paper towel into another glass container. Discard the solid left in the paper towel.
4) Pour the filtered solution into a glass or ceramic dish.
5) Evaporate the alcohol and water from the solution by placing the dish into a pan of hot water. White powder will remain in the dish after evaporation.

NOTE: The water in the pan should be at hot bath temperature, not boiling, approx. 160 to 180 degress farenheit. It should not burn the hands.

6) Pour 1/3 cup (80 millilitres) of concentrated sulfuric acid into a canning jar. Add the white powder to the sulfuric acid.
7) Heat canning jar of sulfuric acid in a pan of simmering hot water bath for 15 minutes; then remove jar from the bath. Solution will turn to a yellow-orange color.
8) Add 3 level teaspoons (15 grams) of potassium nitrate in three portions to the yellow-orange solution; stir vigorously during additions. Solution will turn red, then back to a yellow-orange color.
9) Allow the solution to cool to ambient room temperature while stirring occasionally.
10) Slowly pour the solution, while stirring, into 1-1/4 cup (300 millilitres) of cold water and allow to cool.
11) Filter the solution through a paper towel into a glass container. Light yellow particles will collect on the paper towel.
12) Wash the light yellow particles with 2 tablespoons (25 millilitres) of water. Discard the waste liquid in the container.
13) Place articles in ceramic dish and set in a hot water bath, as in step 5, for 2 hours.

--------------Jolly Roger

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