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o-Terphenyl |
CAS 84-15-1 | ||
C6H5C6H4C6H5 |
RTECS WZ6472000 | ||
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Synonyms & Trade Names o-Diphenylbenzene; 1,2-Diphenylbenzene; 2-Phenylbiphenyl; 1,2-Terphenyl; ortho-Terphenyl; o-Triphenyl |
DOT ID & Guide |
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Exposure
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NIOSH REL: C 5 mg/m3 (0.5 ppm) | ||
| OSHA PEL†: C 9 mg/m3 (1 ppm) | |||
| IDLH 500 mg/m3 See: IDLH INDEX | Conversion 1 ppm = 9.42 mg/m3 | ||
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Physical Description Colorless or light-yellow solid. |
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MW: 230.3 |
BP: 630°F |
MLT: 136°F |
Sol: Insoluble |
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VP(200°F): 0.09 mmHg |
IP: 7.99 eV |
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Sp.Gr: 1.1 |
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Fl.P(oc): 325°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities None reported |
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Measurement Methods NIOSH 5021 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 or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH Up to 25 mg/m3: (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters.£ Up to 50 mg/m3: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.£ (APF = 10) Any supplied-air respirator£ Up to 125 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£ (APF = 25) Any powered air-purifying respirator with a high-efficiency particulate filter.£ Up to 250 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters. (APF = 50) Any self-contained breathing apparatus with a full facepiece (APF = 50) Any supplied-air respirator with a full facepiece Up to 500 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 with 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 |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, mucous membrane; thermal skin burns; headache; sore throat; in animals: liver, kidney damage | |
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Target Organs
Eyes, skin, respiratory system, liver, kidneys |
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| See also: INTRODUCTION |