2-Nitropropane

Synonyms & Trade Names

Dimethylnitromethane, iso-Nitropropane, 2-NP

CAS No.

79-46-9

RTECS No.

TZ5250000

DOT ID & Guide

2608 129

Formula

(CH₃)₂CH(NO₂)

Conversion

1 ppm = 3.64 mg/m³

IDLH

Ca [100 ppm]
See: 79469

Exposure Limits

NIOSH REL

Ca See Appendix A

OSHA PEL

TWA 25 ppm (90 mg/m³) See Appendix G

Measurement Methods

NIOSH 2528;
OSHA 15 , 46
See: NMAM or OSHA Methods

Physical Description

Colorless liquid with a pleasant, fruity odor.

Molecular Weight

89.1

Boiling Point

249°F

Freezing Point

-135°F

Solubility

Vapor Pressure

13 mmHg

Ionization Potential

10.71 eV

Specific Gravity

0.99

Flash Point

75°F

Upper Explosive Limit

11.0%

Lower Explosive Limit

2.6%

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

Incompatibilities & Reactivities

Amines; strong acids, alkalis & oxidizers; metal oxides; combustible materials

Exposure Routes

inhalation, ingestion, skin and/or eye contact

Symptoms

irritation eyes, skin, nose, respiratory system; headache, anorexia, nausea, vomiting, diarrhea; kidney, liver damage; [potential occupational carcinogen]

Target Organs

Eyes, skin, respiratory system, central nervous system, kidneys, liver

Cancer Site

[in animals: liver tumors]

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:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately

Respirator Recommendations

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(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

2-Nitropropane

NIOSH REL

OSHA PEL

Follow NIOSH

NIOSH Homepage