NIOSH logo and tagline

1-Nitropropane

Related Pages
Synonyms & Trade Names
Nitropropane, 1-NP
CAS No.
108-03-2
RTECS No.
TZ5075000
DOT ID & Guide
2608 129
Formula
CH₃CH₂CH₂NO₂
Conversion
1 ppm = 3.64 mg/m3
IDLH
1000 ppm
See: 108032
Exposure Limits
NIOSH REL
TWA 25 ppm (90 mg/m3)
OSHA PEL
TWA 25 ppm (90 mg/m3)
Measurement Methods
OSHA 46
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with a somewhat disagreeable odor.
Molecular Weight
89.1
Boiling Point
269°F
Freezing Point
-162°F
Solubility
1%
Vapor Pressure
8 mmHg
Ionization Potential
10.81 eV
Specific Gravity
1.00
Flash Point
96°F
Upper Explosive Limit
?
Lower Explosive Limit
2.2%
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities
Amines; strong acids, alkalis & oxidizers; hydrocarbons & other combustible materials; metal oxides
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes; headache, nausea, vomiting, diarrhea; In Animals: liver, kidney damage
Target Organs
Eyes, central nervous system, liver, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin:No recommendation
Eyes:Prevent eye contact
Wash skin:No recommendation
Remove:When wet (flammable)
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 250 ppm:
(APF = 10) Any supplied-air respirator*

Up to 625 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*

Up to 1000 ppm:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator 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

See also
INTRODUCTION   ICSC CARD: 1050
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health