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| Propylene glycol monomethyl ether | CAS 107-98-2 | ||
| CH3OCH2CHCH3 | RTECS UB7700000 | ||
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Synonyms & Trade Names Dowtherm® 209, 1-Methoxy-2-hydroxypropane, 1-Methoxy-2-propanol, 2-Methoxy-1-methylethanol, Propylene glycol methyl ether |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 100 ppm (360 mg/m3) ST 150 ppm (540 mg/m3) | ||
| OSHA PEL�: none | |||
| IDLH N.D. | Conversion 1 ppm = 3.69 mg/m3 | ||
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Physical Description Clear, colorless liquid with a mild, ethereal odor. |
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MW: 90.1 |
BP: 248°F |
FRZ: -139°F (Sets to glass) |
Sol: Miscible |
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VP(77°F): 12 mmHg |
IP: ? |
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Sp.Gr: 0.96 |
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Fl.P: 97°F |
UEL(calc): 13.8% |
LEL(calc.): 1.6% |
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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 Oxidizers, strong acids [Note: Hygroscopic (i.e., absorbs moisture from the air). May slowly form reactive peroxides during prolonged storage.] |
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Measurement Methods OSHA 99 |
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Personal Protection & Sanitation Skin: No recommendation Eyes: Prevent eye contact Wash skin: No recommendation Remove: When wet (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water 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; headache, nausea, dizziness, drowsiness, incoordination; vomiting, diarrhea | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION |