|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dioxane | CAS 123-91-1 | ||
| C4H8O2 | RTECS JG8225000 | ||
|
Synonyms & Trade Names Diethylene dioxide; Diethylene ether; Dioxan; p-Dioxane; 1,4-Dioxane |
DOT ID & Guide 1165 127 |
||
|
Exposure Limits |
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] | Conversion 1 ppm = 3.60 mg/m3 | ||
|
Physical Description Colorless liquid or solid (below 53°F) with a mild, ether-like odor. |
|||
|
MW: 88.1 |
BP: 214°F |
FRZ: 53°F |
Sol: Miscible |
|
VP: 29 mmHg |
IP: 9.13 eV |
|
Sp.Gr: 1.03 |
|
Fl.P: 55°F |
UEL: 22% |
LEL: 2.0% |
|
| Class IB Flammable Liquid: Fl.P. below 73�F and BP at or above 100�F. | |||
|
Incompatibilities & Reactivities Strong oxidizers, decaborane, triethynyl aluminum |
|||
|
Measurement Methods NIOSH 1602; OSHA 7 |
|
Personal Protection & Sanitation 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 |
|
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 |
|
| 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] | |
|
Target Organs
Eyes, skin, respiratory system, liver, kidneys Cancer Site [in animals: lung, liver & nasal cavity tumors] |
|
| See also: INTRODUCTION |