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: 2,5-Furandione; cis-Butenedioic anydride; Toxilic anhydride
Incompatibilities: Strong oxidizers; alkali metals, caustics, amines at >150°F
OSHA Permissible Exposure Limit (PEL):
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.25 ppm, 1 mg/m3 TWA
Potential Symptoms: Conjunctivitis, photophobia, double vision; nasal, upper respiratory irritation; broncheal asthma; dermatitis
Primary Laboratory Sampling/Analytical Method (SLC1):
Conditions: Column 10u C8; Mobile Phase Acetonitrile/Water/Phosphoric Acid (30:70:0.1); Flow rate 1.2 mL/min; UV Dectection 254nm Retention Time 6 min.; DL 2 ug/sample
** All Trademarks are the property of their respective owners.