NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Tetranitromethane

CAS
509-14-8

C(NO2)4

RTECS
PB4025000
Synonyms & Trade Names

Tetan, TNM
DOT ID & Guide
1510 / 143

Exposure
Limits

NIOSH REL: TWA 1 ppm (8 mg/m3)
OSHA PEL: TWA 1 ppm (8 mg/m3)
IDLH
4 ppm See: 509148
Conversion
1 ppm = 8.02 mg/m3
Physical Description
Colorless to pale-yellow liquid or solid (below 57°F) with a pungent odor.
MW: 196.0
BP: 259°F
FRZ: 57°F
Sol: Insoluble
VP: 8 mmHg
IP: ?

Sp.Gr: 1.62
Fl.P: ?
UEL: ?
LEL: ?

Combustible Liquid, but difficult to ignite.
Incompatibilities & Reactivities

Hydrocarbons, alkalis, metals, oxidizers, aluminum, toluene, cotton [Note: Combustible material wet with tetranitromethane may be highly explosive.]
Measurement Methods
NIOSH 3513
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: Daily
Provide: Eyewash
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
NIOSH/OSHA
Up to 4 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern
(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern
(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:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern/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, skin, nose, throat; dizziness, headache; chest pain, dyspnea (breathing difficulty); methemoglobinemia, cyanosis; skin burns
Target Organs
Eyes, skin, respiratory system, blood, central nervous system
See also: INTRODUCTION   See MEDICAL TESTS: 0226