You are searching for MSDS (material safety data sheet) of concerntrated hydrochloric acid
Here you are:
http://physchem.ox.ac.uk/MSDS/HY/hydrochloric_acid.html
http://www.tci-ppg.com.tw/MSDS-HydrochloricAcid.pdf
If you want more MSDS of any other chemical, you can ask the your vendor. This is their legal responsiblity to provide MSDS. You can also search for this from the chemical manufacturer, for example:
www.aldrich.com
(CAS number can help you to find what you need)