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| Dibutyl phthalate | CAS 84-74-2 | ||
| C6H4(COOC4H9)2 | RTECS TI0875000 | ||
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Synonyms & Trade Names DBP; Dibutyl 1,2-benzene-dicarboxylate; Di-n-butyl phthalate |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 5 mg/m3 | ||
| OSHA PEL: TWA 5 mg/m3 | |||
| IDLH 4000 mg/m3 | Conversion 1 ppm = 11.57 mg/m3 | ||
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Physical Description Colorless to faint-yellow, oily liquid with a slight, aromatic odor. |
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MW: 278.3 |
BP: 644°F |
FRZ: -31°F |
Sol(77°F): 0.001% |
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VP: 0.00007 mmHg |
IP: ? |
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Sp.Gr: 1.05 |
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Fl.P: 315°F |
UEL: ? |
LEL(456°F): 0.5% |
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| Class IIIB Combustible Liquid: Fl.P. at or above 200�F. | |||
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Incompatibilities & Reactivities Nitrates; strong oxidizers, alkalis & acids; liquid chlorine |
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Measurement Methods NIOSH 5020; OSHA 104 |
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Personal Protection & Sanitation Skin: No recommendation Eyes: Prevent eye contact Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Wash regularly Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 50 mg/m3: (APF = 10) Any dust and mist respirator with a full facepiece 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 dust and mist filter� Up to 250 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with 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 4000 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 a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, upper respiratory system, stomach | |
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Target Organs
Eyes, respiratory system, gastrointestinal tract |
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| See also: INTRODUCTION |