HCl is not particularly dangerous, as it is fairly easily washed off. Concentrated sulfuric acid, on the other hand is particularly bad. It is very viscous, ext

HCl is not particularly dangerous, as it is fairly easily washed off. Concentrated sulfuric acid, on the other hand is particularly bad. It is very viscous, extremely difficult to wash off as water just heats up the stuff. See: http://fscimage.fishersci.com/msds/22350.htm http://fscimage.fishersci.com/msds/22350.htm