http://www.sciencelab.com/msdsList.php

http://www.npchse.net/safety/msds.asp

http://med.sums.ac.ir/deputies/poshtibani/emeni/msds.html

http://www.cdc.gov/niosh/npg/npgsyn-a.html

http://www.ilpi.com/msds/

http://med.sums.ac.ir/deputies/poshtibani/emeni/msds.html

www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/index-eng.php

http://www.ryonet.com/downloads/MSDS/

http://www.dr-software.com/english/DR-Software,Inc.htm