1. Scorpion Venom
$39,000,000 per gallon
Scorpions use their venom to kill or paralyse their prey, and as a defence against predators. Of the thousands of species of scorpion, only 25 have venom that is deadly to humans. Why the high price? Protein in the venom can be used for the treatment of conditions such as rheumatoid arthritis, inflammatory bowel disease and multiple sclerosis.
2. King Cobra Venom
$153,000 per gallon
One bite and pretty soon the victim suffers from symptoms including blurred vision, vertigo, drowsiness, and paralysis before falling into a coma. Death soon follows due to respiratory failure. It’s not all bad though, cobra venom has been used for many years to treat pain, it was once even thought to be an aphrodisiac.
$123,000 per gallon
LSD, or Lysergic acid diethylamide, fuelled the psychedelic-sixties. You wouldn’t normally buy it by the gallon, unless you wanted to give a small country hallucinations for a month, in fact a gallon of LSD would be enough to send about 55,000 people on the trip of their lifetime.
4. Chanel No. 5
$26,000 per gallon
Probably one of the world’s best known perfumes, it first went on sale in 1922. Gabrielle “Coco” Chanel developed the fragrance with chemist, Ernest Beaux. Beaux brought Chanel a range of samples, due to her affinity with the number 5, Chanel picked vile No. 5. Beaux stated that they would let “sample number five keep the name it has already, it will bring good luck.”
$9,400 per gallon
Insulin is produced by the pancreas, for medical use a biosynthetic version of the hormone is produced. A cheaper way to produce insuline is in development, the human gene for insulin is introduced into plants which then produce the substance which is used to treat diabetes.
$3,400 per gallon
Mercury is a liquid metal which was traditionally used in medicine and the production of thermometers. Due to the element’s toxic effects, alternatives are now used. Mercury is the only metal that is in liquid state in room temperature.
7. Black Printer Ink
$2,700 per gallon
Printer manufacturers produce the ink as well as the hardware, this means you buy a cheap printer and then they sting you with their expensive ink - they’ve got you!
$2,500 per gallon
Gamma-Hydroxybutyric acid (GHB) is a naturally occurring substance found in the human central nervous system. It is used in medicine as an anaesthetic and to treat conditions such as insomnia, depression and narcolepsy. As a drug, it’s often referred to as “liquid ecstasy” however it doesn’t share any of the same chemical makeup as ecstasy.
9. Human Blood
$1,500 per gallon
Of course human blood its self isn’t rare of expensive, we all carry over 5 litres of it around with us all time but the cost of processing blood donations is expensive. Although the cost varies by geography, in general the price of handling donations continues to rise.
10. Nail Polish
$890 per gallon
Nail varnish can be cheap, but the average price for that little bottle puts it at No. 10 in the list of the world’s most expensive liquids. Either clear or coloured, most nail polishes are made of nitrocellulose dissolved in a solvent, although more frequently water-based alternatives are hitting stores.