Nitroglycerin

CAS RN:55-63-0

Threshold Limit Values

8 hr Time Weighted Avg (TWA): 0.05 ppm, skin.
Excursion Limit Recommendation: Excursions in worker exposure levels may exceed 3 times the TLV-TWA for no more than a total of 30 minutes during a work day, and under no circumstances should they exceed 5 times the TLV-TWA, provided that the TLV-TWA is not exceeded.
Find more information on this substance at: Hazardous Substances Data Bank , TOXNET , PubMed