Nothing. It wasn't sold in 1774.
1774
Chlorine was identified by the Swedish chemist Carl Wilhelm Scheele in 1774. Read more at the link below.
$240.00 dollars per ton
http://wiki.answers.com/Q/How_much_does_the_element_chlorine_cost"
Chlorine, and (with Joseph Priestly) oxygen
1774
Chlorine was discovered in Sweden by Karl Scheele in 1774.
In 1774 by Carl Wilhelm Scheele
1774
Chlorine was discovered in 1774 by Carl Wilhelm Scheele, a Swedish chemist
the discoverer is Carl Wilhelm Scheele, found in 1774
Carl Wilhelm Scheele, the discoverer of chlorine, was living in Stockholm, Sweden at the time of the discovery in 1774.
$1.01
$1.01
Carl Wilhelm Scheele but it wasn't until 1810 when it was identified as Chlorine by Sir Humphry Davy.
Carl Wilhelm Scheele created chlorine in 1774 mistakenly thought it contained oxygen. Then Hmphry Davy named it.
Chlorine was identified by the Swedish chemist Carl Wilhelm Scheele in 1774. Read more at the link below.