CAS RN:75-34-3

Threshold Limit Values

8 hr Time Weighted Avg (TWA): 100 ppm.

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.

A4; Not classifiable as a human carcinogen.

Find more information on this substance at: Hazardous Substances Data Bank , TOXNET , PubMed