The secret life of crayons
Chapter 1
From petroleum to paste
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Chapter 2
Nature's ancient paintbox
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Chapter 3
The science of synthetic shades
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Chapter 4
How crayons conquered the classroom
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YOUR GOAL
Master of The secret life of crayons
Ch 3 · The science of synthetic shades
Fun Fact
Accidental wealth: William Perkin became incredibly wealthy by age 21 after patenting mauveine, the first synthetic dye, which he invented by accident.
Glossary
pigment (noun)
A substance, usually in the form of a dry powder, used to impart color to other materials. In 1903, Binney & Smith developed synthetic, nontoxic pigments to safely color their newly invented wax crayons.
A substance, usually in the form of a dry powder, used to impart color to other materials. In 1903, Binney & Smith developed synthetic, nontoxic pigments to safely color their newly invented wax crayons.
Quiz
What chemical property of paraffin wax makes it ideal for holding pigment on paper?
Quiz
Which organization is responsible for testing and certifying that art materials are non-toxic?
Quiz
Which toxic heavy metal was historically used to make bright yellow crayons before safety bans?
Quiz
What industrial waste byproduct of gas lighting was used to create the first synthetic dyes?
Quiz
Why are synthetic pigments preferred over natural pigments in modern commercial crayon manufacturing?