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NIOSH
Pocket Guide
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Ethanolamine |
CAS 141-43-5 |
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NH2CH2CH2OH
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RTECS KJ5775000 |
Synonyms & Trade Names
2-Aminoethanol, beta-Aminoethyl alcohol, Ethylolamine, 2-Hydroxyethylamine,
Monoethanolamine |
DOT ID & Guide
2491 153 |
Exposure
Limits |
NIOSH REL: TWA 3 ppm (8 mg/m3)
ST 6 ppm (15 mg/m3) |
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OSHA PEL†: TWA 3 ppm (6 mg/m3)
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IDLH 30 ppm |
Conversion 1 ppm = 2.50 mg/m3
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Physical Description
Colorless, viscous liquid or solid (below 51°F) with an
unpleasant, ammonia-like odor. |
MW: 61.1
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BP: 339°F
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FRZ: 51°F
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Sol: Miscible
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VP: 0.4 mmHg
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IP: 8.96 eV
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Sp.Gr: 1.02
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Fl.P: 186°F
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UEL: 23.5%
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LEL(284°F): 3.0%
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Class IIIA Combustible Liquid: Fl.P. at
or above 140°F and below 200°F. |
Incompatibilities & Reactivities
Strong oxidizers, strong acids, iron [Note: May attack copper, brass,
and rubber.] |
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash
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First Aid
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations NIOSH/OSHA
Up to 30 ppm: (APF = 10) Any chemical cartridge
respirator with cartridge(s) providing protection against the
compound of concern*/(APF = 50) Any air-purifying, full-facepiece
respirator (gas mask) with a chin-style, front- or back-mounted
canister providing protection against the compound of concern/(APF =
25) Any powered, air-purifying respirator with cartridge(s)
providing protection against the compound of concern*/(APF = 10) Any
supplied-air respirator*/(APF = 50) Any self-contained breathing
apparatus with a full facepiece
Emergency or planned entry into unknown concentrations or
IDLH conditions: (APF = 10,000) Any self-contained
breathing apparatus that has a full facepiece and is operated in a
pressure-demand or other positive-pressure mode/(APF = 10,000) Any
supplied-air respirator that has a full facepiece and is operated in
a pressure-demand or other positive-pressure mode in combination
with an auxiliary self-contained positive-pressure breathing
apparatus
Escape: (APF = 50) Any air-purifying, full-facepiece
respirator (gas mask) with a chin-style, front- or back-mounted
canister providing protection against the compound of concern/Any
appropriate escape-type, self-contained breathing apparatus
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Exposure Routes inhalation,
ingestion, skin and/or eye contact |
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Symptoms Irritation eyes, skin,
respiratory system; drowsiness |
Target Organs Eyes, skin,
respiratory system, central nervous system
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