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Dioxane |
CAS 123-91-1 | ||
C4H8O2 |
RTECS JG8225000 | ||
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Synonyms & Trade Names Diethylene dioxide; Diethylene ether; Dioxan; p-Dioxane; 1,4-Dioxane |
DOT ID & Guide 1165 127 |
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Exposure
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NIOSH REL: Ca C 1 ppm (3.6 mg/m3) [30-minute] See Appendix A | ||
| OSHA PEL†: TWA 100 ppm (360 mg/m3) [skin] | |||
| IDLH Ca [500 ppm] See: 123911 | Conversion 1 ppm = 3.60 mg/m3 | ||
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Physical Description Colorless liquid or solid (below 53°F) with a mild, ether-like odor. |
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MW: 88.1 |
BP: 214°F |
FRZ: 53°F |
Sol: Miscible |
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VP: 29 mmHg |
IP: 9.13 eV |
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Sp.Gr: 1.03 |
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Fl.P: 55°F |
UEL: 22% |
LEL: 2.0% |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. | |||
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Incompatibilities & Reactivities Strong oxidizers, decaborane, triethynyl aluminum |
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Measurement Methods NIOSH 1602; OSHA 7 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat; drowsiness, headache; nausea, vomiting; liver damage; kidney failure; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system, liver, kidneys Cancer Site [in animals: lung, liver & nasal cavity tumors] |
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| See also: INTRODUCTION See ICSC CARD: 0041 See MEDICAL TESTS: 0090 |