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Dimethylphthalate |
CAS 131-11-3 | ||
C6H4(COOCH3)2 |
RTECS TI1575000 | ||
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Synonyms & Trade Names Dimethyl ester of 1,2-benzenedicarboxylic acid; DMP |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 5 mg/m3 | ||
| OSHA PEL: TWA 5 mg/m3 | |||
| IDLH 2000 mg/m3 See: 131113 | Conversion | ||
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Physical Description Colorless, oily liquid with a slight, aromatic odor. [Note: A solid below 42°F.] |
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MW: 194.2 |
BP: 543°F |
FRZ: 42°F |
Sol: 0.4% |
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VP: 0.01 mmHg |
IP: 9.64 eV |
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Sp.Gr: 1.19 |
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Fl.P: 295°F |
UEL: ? |
LEL(358°F): 0.9% |
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| Class IIIB Combustible Liquid; however, ignition is difficult. | |||
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Incompatibilities & Reactivities Nitrates; strong oxidizers, alkalis & acids |
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Measurement Methods OSHA 104 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: No recommendation Eyes: Prevent eye contact Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Eye: Irrigate promptly Skin: Wash regularly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 50 mg/m3: (APF = 10) Any air-purifying full-facepiece respirator equipped with an N95, R95, or P95 filter. 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. 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 2000 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, upper respiratory system; stomach pain | |
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Target Organs
Eyes, respiratory system, gastrointestinal tract |
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| See also: INTRODUCTION See ICSC CARD: 0261 See MEDICAL TESTS: 0086 |