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m-Xylene |
CAS 108-38-3 | ||
C6H4(CH3)2 |
RTECS ZE2275000 | ||
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Synonyms & Trade Names 1,3-Dimethylbenzene; meta-Xylene; m-Xylol |
DOT ID & Guide 1307 130 |
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Exposure
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NIOSH REL: TWA 100 ppm (435 mg/m3) ST 150 ppm (655 mg/m3) | ||
| OSHA PEL†: TWA 100 ppm (435 mg/m3) | |||
| IDLH 900 ppm See: 95476 | Conversion 1 ppm = 4.34 mg/m3 | ||
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Physical Description Colorless liquid with an aromatic odor. |
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MW: 106.2 |
BP: 282°F |
FRZ: -54°F |
Sol: Slight |
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VP: 9 mmHg |
IP: 8.56 eV |
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Sp.Gr: 0.86 |
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Fl.P: 82°F |
UEL: 7.0% |
LEL: 1.1% |
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| Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F. | |||
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Incompatibilities & Reactivities Strong oxidizers, strong acids |
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Measurement Methods NIOSH 1501, 3800; OSHA 1002 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 (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 900 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)* (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)* (APF = 10) Any supplied-air respirator* (APF = 50) Any self-contained breathing apparatus 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/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat; dizziness, excitement, drowsiness, incoordination, staggering gait; corneal vacuolization; anorexia, nausea, vomiting, abdominal pain; dermatitis | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, gastrointestinal tract, blood, liver, kidneys |
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| See also: INTRODUCTION See ICSC CARD: 0085 See MEDICAL TESTS: 0243 |