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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
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NIOSH REL: TWA 100 ppm (360 mg/m3) ST 150 ppm (540 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | 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 NIOSH 2554; OSHA 99 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: When wet (flammable) Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water wash Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| 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 See ICSC CARD: 0551 |