Quinone
Synonyms & Trade Names
1,4-Benzoquinone, p-Benzoquinone, 1,4-Cyclohexadiene dioxide, p-QuinoneExposure Limits
NIOSH REL
TWA 0.4 mg/m3 (0.1 ppm)OSHA PEL
TWA 0.4 mg/m3 (0.1 ppm)Physical Description
Pale-yellow solid with an acrid, chlorine-like odor.Molecular Weight
108.1Boiling Point
SublimesMelting Point
240°FSolubility
SlightVapor Pressure
(77°F): 0.1 mmHgIonization Potential
9.68 eVSpecific Gravity
1.32Flash Point
100-200°FUpper Exposive Limit
?Lower Explosive Limit
?Incompatibilities & Reactivities
Strong oxidizersExposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
Eye irritation, conjunctivitis; keratitis (inflammation of the cornea); skin irritationTarget Organs
Eyes, skinPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
Provide:Eyewash, Quick drench
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
NIOSH/OSHA
Up to 10 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
Up to 20 mg/m3:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 100 mg/m3:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division