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n-Propyl alcohol

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Synonyms & Trade Names
Ethyl carbinol, 1-Propanol, n-Propanol, Propyl alcohol
CAS No.
71-23-8
RTECS No.
UH8225000
DOT ID & Guide
1274 129
Formula
CH₃CH₂CH₂OH
Conversion
1 ppm = 2.46 mg/m3
IDLH
800 ppm
See: 71238
Exposure Limits
NIOSH REL
TWA 200 ppm (500 mg/m3) ST 250 ppm (625 mg/m3) [skin]
OSHA PEL
TWA 200 ppm (500 mg/m3) See Appendix G
Measurement Methods
NIOSH 1401 , 1405;
OSHA 7
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with a mild, alcohol-like odor.
Molecular Weight
60.1
Boiling Point
207°F
Freezing Point
-196°F
Solubility
Miscible
Vapor Pressure
15 mmHg
Ionization Potential
10.15 eV
Specific Gravity
0.81
Flash Point
72°F
Upper Explosive Limit
13.7%
Lower Explosive Limit
2.2%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, nose, throat; dry cracking skin; drowsiness, headache; ataxia, gastrointestinal pain; abdominal cramps, nausea, vomiting, diarrhea; In Animals: narcosis
Target Organs
Eyes, skin, respiratory system, gastrointestinal tract, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet (flammable)
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Water flush
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 800 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(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 organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0553
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health