This website is currently not being updated due to the suspension of federal government services.
The last update to the site was January 22, 2018.
Updates to the site will start again when the federal government resumes operations.
If you need to report a workplace fatality or emergency, call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627.
<< Back to Chemical Sampling Information
Synonyms: Dowtherm A; Diphenyl oxide-diphenyl mixture; Phenyl Ether-Diphenyl Mixture
straw-colored liquid, which darkens on use, with an aromatic, somewhat disagreeable odor
Incompatibilities: Strong oxidizers
OSHA Permissible Exposure Limit (PEL):
General Industry: 1 ppm, 7 mg/m3 TWA
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 ppm TWA
Potential Symptoms: Nausea; eye, nose, skin irritation
Primary Laboratory Sampling/Analytical Method (SLC1):
Secondary Laboratory Sampling/Analytical Method (SAM2):
** All Trademarks are the property of their respective owners.