Propylene glycol monomethyl ether |
Synonyms & Trade Names Dowtherm® 209, 1-Methoxy-2-hydroxypropane, 1-Methoxy-2-propanol, 2-Methoxy-1-methylethanol, Propylene glycol methyl ether |
CAS No. 107-98-2 |
RTECS No. UB7700000 |
DOT ID & Guide |
FormulaCH3OCH2CHOHCH3 |
Conversion 1 ppm = 3.69 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 100 ppm (360 mg/m3) ST 150 ppm (540 mg/m3)
OSHA PEL†: none |
Measurement Methods
NIOSH 2554;
OSHA 99
See: NMAM or OSHA Methods |
Physical Description Clear, colorless liquid with a mild, ethereal odor. |
MW: 90.1 |
BP: 248°F |
FRZ: -139°F (Sets to glass) |
Sol: Miscible |
VP(77°F): 12 mmHg |
IP: ? |
Sp.Gr: 0.96 |
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. |
Incompatibilities & Reactivities Oxidizers, strong acids [Note: Hygroscopic (i.e., absorbs moisture from the air). May slowly form reactive peroxides during prolonged storage.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, throat; headache, nausea, dizziness, drowsiness, incoordination; vomiting, diarrhea |
Target Organs Eyes, skin, respiratory system, central nervous system |
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Personal Protection/Sanitation (See protection codes)
Skin: No recommendation
Eyes: Prevent eye contact
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0551
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