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| Triphenyl phosphate | CAS 115-86-6 | ||
| (C6H5O)3PO | RTECS TC8400000 | ||
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Synonyms & Trade Names Phenyl phosphate, TPP, Triphenyl ester of phosphoric acid |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 3 mg/m3 | ||
| OSHA PEL: TWA 3 mg/m3 | |||
| IDLH 1000 mg/m3 | Conversion | ||
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Physical Description Colorless, crystalline powder with a phenol-like odor. |
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MW: 326.3 |
BP: 776°F |
MLT: 120°F |
Sol(129°F): 0.002% |
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VP(380°F): 1 mmHg |
IP: ? |
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Sp.Gr: 1.29 |
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Fl.P: 428°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities None reported |
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Measurement Methods NIOSH 5038 |
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Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 15 mg/m3: (APF = 5) Any dust respirator Up to 30 mg/m3: (APF = 10) Any air-purifying respirator with a high-efficiency particulate filter/(APF = 10) Any dust respirator except single-use and quarter-mask respirators/(APF = 10) Any supplied-air respirator Up to 75 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode/(APF = 25) Any powered, air-purifying respirator with a dust and mist filter Up to 150 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 1000 mg/m3: (APF = 1000) Any supplied-air respirator 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 a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion | |
| Symptoms Minor changes in blood enzymes; in animals: muscle weakness, paralysis | |
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Target Organs
Blood, peripheral nervous system |
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| See also: INTRODUCTION |