| Agent Name |
Quinone |
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| Alternative Name |
p-Benzoquinone |
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| CAS Number |
106-51-4 |
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| Formula |
C6-H4-O2 |
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| Major Category |
Other Classes |
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| Synonyms |
1,4-Benzoquine; 1,4-Benzoquinone; 1,4-Cyclohexadiene dioxide; 1,4-Cyclohexadienedione; 1,4-Diossibenzene [Italian]; 1,4-Dioxy-benzol [German]; 1,4-Dioxybenzene; 2,5-Cyclohexadiene-1,4-dione; Benzo-chinon [German]; Benzoquinone; Chinon [Dutch, German]; Chinone; Cyclohexadienedione; Quinone; Steara pbq; p-Chinon [German]; p-Quinone; para-Benzoquinone; para-Quinone; [ChemIDplus] UN2587 |
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| Category |
Other Aromatics |
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| Description |
Pale-yellow solid with an acrid, chlorine-like odor; [NIOSH] |
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| Sources/Uses |
Used in the production of hydroquinone, dyes, and fungicides; also used as an oxidizing agent and photographic chemical; [ACGIH] |
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| Comments |
Quinone can cause skin necrosis after prolonged contact. [ACGIH] A skin, eye, and respiratory tract irritant; [ICSC] Can cause corneal ulcers after acute exposure and corneal opacities after chronic exposure; [CAMEO] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
0.1 ppm |
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| PEL (OSHA) |
0.1 ppm |
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| IDLH (NIOSH) | 100 mg/m3 |
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| Excerpts from Documentation for IDLHs |
Basis for original (SCP) IDLH: The chosen IDLH is based on the mouse LCLO of 320 mg/m3 [Zabolevanii 1962 cited by NIOSH 1976]. No other data on acute inhalation toxicity are available on which to base the IDLH. . . . Basis for revised IDLH: No inhalation toxicity data are available on which to base an IDLH for quinone. Therefore, the revised IDLH for quinone is 100 mg/m3 based on acute oral toxicity data in animals [Woodward et al. 1949]. This may be a conservative value due to the lack of relevant acute toxicity data for workers. |
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| Vapor Pressure |
0.1 mm Hg |
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| Odor Threshold Low |
0.1 ppm |
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| Odor Threshold High |
0.15 ppm |
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| Explanatory Notes |
Odor thresholds (detection at 0.1 ppm and recognition at 0.15 ppm) from CHEMINFO; Flash point = 93 deg C; |
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| Flammability (NFPA) |
2: high ambient temperature required |
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| Adverse Effects |
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| Dermatotoxin |
Skin Burns |
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| IARC Carcinogen |
Not Classifiable |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: 1,4-BENZOQUINONE
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