Ethyl alcohol
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CAS
64-17-5
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CH3CH2OH
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RTECS
KQ6300000
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Synonyms & Trade Names
Alcohol, Cologne spirit, Ethanol, EtOH, Grain alcohol
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DOT ID & Guide
1170 127
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Exposure
Limits
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NIOSH REL: TWA 1000 ppm (1900 mg/m3)
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OSHA PEL: TWA 1000 ppm (1900 mg/m3)
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IDLH
3300 ppm [10%LEL] See: 64175
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Conversion
1 ppm = 1.89 mg/m3
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Physical Description
Clear, colorless liquid with a weak, ethereal, vinous odor.
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MW: 46.1
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BP: 173°F
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FRZ: -173°F
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Sol: Miscible
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VP: 44 mmHg
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IP: 10.47 eV
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Sp.Gr: 0.79
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Fl.P: 55°F
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UEL: 19%
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LEL: 3.3%
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Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
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Incompatibilities & Reactivities
Strong oxidizers, potassium dioxide, bromine pentafluoride, acetyl bromide,
acetyl chloride, platinum, sodium
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Measurement Methods
NIOSH 1400; OSHA
100
See: NMAM or
OSHA Methods
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Personal Protection & Sanitation (See
protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Fresh air
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 3300 ppm:
(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: Any appropriate escape-type, self-contained breathing
apparatus
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; headache, drowsiness, lassitude (weakness,
exhaustion), narcosis; cough; liver damage; anemia; reproductive, teratogenic
effects
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Target Organs
Eyes, skin, respiratory system, central nervous system, liver, blood,
reproductive system
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