Propylene glycol monomethyl ether
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CAS
107-98-2
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CH3OCH2CHCH3
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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
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 100 ppm (360 mg/m3) ST 150 ppm (540 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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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
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BP: 248°F
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FRZ: -139°F (Sets to glass)
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Sol: Miscible
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VP(77°F): 12 mmHg
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IP: ?
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Sp.Gr: 0.96
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Fl.P: 97°F
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UEL(calc): 13.8%
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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 |
Personal Protection & Sanitation (See protection)
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
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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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 |
