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| Phenyl ether-biphenyl mixture (vapor) | CAS 8004-13-5 | ||
| C6H5OC6H5/C6H5C6H5 | RTECS DV1500000 | ||
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Synonyms & Trade Names Diphenyl oxide-diphenyl mixture, Dowtherm® A |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 1 ppm (7 mg/m3) | ||
| OSHA PEL: TWA 1 ppm (7 mg/m3) | |||
| IDLH 10 ppm See: 8004135 | Conversion 1 ppm = 6.79 mg/m3 (approx) | ||
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Physical Description Colorless to straw-colored liquid or solid (below 54°F) with a disagreeable, aromatic odor. [Note: A mixture typically contains 75% phenyl ether & 25% biphenyl.] |
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MW: 166 (approx) |
BP: 495°F |
FRZ: 54°F |
Sol: Insoluble |
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VP(77°F): 0.08 mmHg |
IP: ? |
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Sp.Gr(77°F): 1.06 |
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Fl.P: 239°F |
UEL: ? |
LEL: ? |
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| Class IIIB Combustible Liquid: Fl.P. at or above 200°F. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 2013 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 10 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£/(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter/(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/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s) in combination with a dust and mist filter£/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece 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 |
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| Exposure Routes inhalation, skin and/or eye contact | |
| Symptoms Irritation eyes, nose, skin; nausea | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |