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Quinone

Synonyms & Trade Names
1,4-Benzoquinone; p-Benzoquinone; 1,4-Cyclohexadiene dioxide; p-Quinone
CAS No.
106-51-4
RTECS No.
DK2625000
DOT ID & Guide
2587 153
Formula
OC6H4O
Conversion
1 ppm = 4.42 mg/m3
IDLH
100 mg/m3
See: 106514
Exposure Limits
NIOSH REL
: TWA 0.4 mg/m3 (0.1 ppm)
OSHA PEL
: TWA 0.4 mg/m3 (0.1 ppm)
Measurement Methods

NIOSH S181 (II-4)
See: NMAM or OSHA Methods
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
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
Eye irritation, conjunctivitis; keratitis (inflammation of the cornea); skin irritation
Target Organs
Eyes, skin
Personal 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

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0779   See MEDICAL TESTS: 0201
 

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