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| 1,2,3-Trimethylbenzene | CAS 526-73-8 | ||
| C6H3(CH3)3 | RTECS DC330000 | ||
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Synonyms & Trade Names Hemellitol [Note: Hemimellite is a mixture of the 1,2,3-isomer with up to 10% of related aromatics such as the 1,2,4-isomer.] |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 25 ppm (125 mg/m3) | ||
| OSHA PEL�: none | |||
| IDLH N.D. | Conversion 1 ppm = 4.92 mg/m3 | ||
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Physical Description Clear, colorless liquid with a distinctive, aromatic odor. |
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MW: 120.2 |
BP: 349°F |
FRZ: -14°F |
Sol: Low |
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VP(62°F): 1 mmHg |
IP: 8.48 eV |
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Sp.Gr: 0.89 |
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Fl.P: ? |
UEL: 6.6% |
LEL: 0.8% |
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| Flammable Liquid | |||
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Incompatibilities & Reactivities Oxidizers, nitric acid |
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Measurement Methods None available |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
| Respirator Recommendations To be added later | |
| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat, respiratory system; bronchitis; hypochromic anemia; headache, drowsiness, lassitude (weakness, exhaustion), dizziness, nausea, incoordination; vomiting, confusion; chemical pneumonitis (aspiration liquid) | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, blood |
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| See also: INTRODUCTION |