NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

1-Nitropropane

CAS
108-03-2

CH3CH2CH2NO2

RTECS
TZ5075000
Synonyms & Trade Names

Nitropropane, 1-NP
DOT ID & Guide
2608 / 129

Exposure
Limits

NIOSH REL: TWA 25 ppm (90 mg/m3)
OSHA PEL: TWA 25 ppm (90 mg/m3)
IDLH
1000 ppm See: 108032
Conversion
1 ppm = 3.64 mg/m3
Physical Description
Colorless liquid with a somewhat disagreeable odor.
MW: 89.1
BP: 269°F
FRZ: -162°F
Sol: 1%
VP: 8 mmHg
IP: 10.81 eV

Sp.Gr: 1.00
Fl.P: 96°F
UEL: ?
LEL: 2.2%

Class IC Flammable Liquid: Fl.P. at or above 73F and below 100F.
Incompatibilities & Reactivities

Amines; strong acids, alkalis & oxidizers; hydrocarbons & other combustible materials; metal oxides
Measurement Methods
OSHA 46
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

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
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
See also: INTRODUCTION   See ICSC CARD: 1050