NIOSH Pocket Guide to Chemical Hazards

Quinone CAS 106-51-4
OC6H4O RTECS DK2625000
Synonyms & Trade Names
1,4-Benzoquinone; p-Benzoquinone; 1,4-Cyclohexadiene dioxide; p-Quinone
DOT ID & Guide
2587 153
Exposure
Limits
NIOSH REL: TWA 0.4 mg/m3 (0.1 ppm)
OSHA PEL: TWA 0.4 mg/m3 (0.1 ppm)
IDLH 100 mg/m3 Conversion 1 ppm = 4.42 mg/m3
Physical Description
Pale-yellow solid with an acrid, chlorine-like odor.
MW: 108.1
BP: Sublimes
MLT: 240°F
Sol: Slight
VP(77°F): 0.1 mmHg
IP: 9.68 eV

Sp.Gr: 1.32
Fl.P: 100-200°F
UEL: ?
LEL: ?

Combustible Solid
Incompatibilities & Reactivities
Strong oxidizers
Measurement Methods
NIOSH S181 (II-4)
Personal Protection & Sanitation
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 a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Eye irritation, conjunctivitis; keratitis (inflammation of the cornea); skin irritation
Target Organs Eyes, skin
See also: INTRODUCTION